diff --git a/tutorial/using-spdx3.ipynb b/tutorial/using-spdx3.ipynb
index 84613c5..1ff9c8b 100644
--- a/tutorial/using-spdx3.ipynb
+++ b/tutorial/using-spdx3.ipynb
@@ -1,26 +1,10 @@
 {
- "nbformat": 4,
- "nbformat_minor": 0,
- "metadata": {
-  "colab": {
-   "provenance": [],
-   "authorship_tag": "ABX9TyOys2TFWeUKaj6M6TfFA+yY",
-   "include_colab_link": true
-  },
-  "kernelspec": {
-   "name": "python3",
-   "display_name": "Python 3"
-  },
-  "language_info": {
-   "name": "python"
-  }
- },
  "cells": [
   {
    "cell_type": "markdown",
    "metadata": {
-    "id": "view-in-github",
-    "colab_type": "text"
+    "colab_type": "text",
+    "id": "view-in-github"
    },
    "source": [
     "<a href=\"https://colab.research.google.com/gist/bact/7227ad858500c2097a25344a4af015d6/spdx-python-model-tutorial.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
@@ -28,65 +12,50 @@
   },
   {
    "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {
+    "id": "fTKOUcN_esq8"
+   },
+   "outputs": [],
    "source": [
     "# SPDX-FileCopyrightText: 2025-present Arthit Suriyawongkul <suriyawa@tcd.ie>\n",
     "# SPDX-FileType: SOURCE\n",
     "# SPDX-License-Identifier: Apache-2.0"
-   ],
-   "metadata": {
-    "id": "fTKOUcN_esq8"
-   },
-   "execution_count": 1,
-   "outputs": []
+   ]
   },
   {
    "cell_type": "markdown",
+   "metadata": {
+    "id": "09M0uv5_Bk7B"
+   },
    "source": [
     "# Using SPDX 3 in Python with spdx-python-model\n",
     "\n",
-    "- This tutorial demonstrates how to use the [spdx-python-model][] library to:\n",
+    "- This tutorial demonstrates how to use the [spdx-python-model] library to:\n",
     "  - read the software bill of materials (SBOM) data in the [System Package Data Exchange (SPDX)][spdx] format from an [SPDX 3 JSON][spdx-3-json] file;\n",
     "  - access SPDX objects and their relationships; and\n",
     "  - create a simple SPDX object (also demonstrating the built-in data validation of the library)\n",
-    "\n",
     "- The SBOM 3 JSON file examples are taken from [AI Example 2][ai-example-2] and [Software Example 14][sw-example-14] of the spdx-examples repository.\n",
-    "- This documentation is a contribution to the [NTIA Conformance Checker][ntia-conformance-checker] as part of the [Google Summer of Code 2025 program][gsoc-2025] (mentors: Gary O'Neall and John Speed Meyers).\n",
-    "\n",
-    "by [@bact][bact] - Arthit Suriyawongkul\n",
-    "\n",
-    "## Change log\n",
-    "\n",
-    "- Update: 21 May 2026 - fix handling of unresolved references (spdxId) ([reported](https://github.com/spdx/spdx-python-model/issues/34) by @vargenau and suggested a fix by @benjarobin - thank you both!)\n",
-    "- Update: 23 February 2026 - add a section on SPDX object creation and validation\n",
-    "- First published: 7 July 2025\n",
     "\n",
     "[spdx]: https://spdx.dev/use/specifications/\n",
     "[spdx-python-model]: https://github.com/spdx/spdx-python-model\n",
     "[spdx-3-json]: https://github.com/spdx/spdx-spec/blob/develop/docs/serializations.md#serialization-in-spdx-3-json\n",
     "[ai-example-2]: https://github.com/spdx/spdx-examples/tree/master/ai/example02/\n",
-    "[sw-example-14]: https://github.com/spdx/spdx-examples/tree/master/software/example14/\n",
-    "[ntia-conformance-checker]: https://github.com/spdx/ntia-conformance-checker\n",
-    "[gsoc-2025]: https://summerofcode.withgoogle.com/programs/2025/projects/CeR3hQTq\n",
-    "[bact]: https://github.com/bact/"
-   ],
-   "metadata": {
-    "id": "09M0uv5_Bk7B"
-   }
+    "[sw-example-14]: https://github.com/spdx/spdx-examples/tree/master/software/example14/"
+   ]
   },
   {
    "cell_type": "markdown",
-   "source": [
-    "## Install the spdx-python-model library"
-   ],
    "metadata": {
     "id": "_ZRVMOBvQDuO"
-   }
+   },
+   "source": [
+    "## Install the spdx-python-model library"
+   ]
   },
   {
    "cell_type": "code",
-   "source": [
-    "!pip install spdx-python-model"
-   ],
+   "execution_count": 2,
    "metadata": {
     "colab": {
      "base_uri": "https://localhost:8080/"
@@ -94,38 +63,32 @@
     "id": "JsENPjgwHlHc",
     "outputId": "0c5b73dc-52c8-4bb1-b60b-8a1640df09da"
    },
-   "execution_count": 2,
    "outputs": [
     {
-     "output_type": "stream",
      "name": "stdout",
+     "output_type": "stream",
      "text": [
-      "Requirement already satisfied: spdx-python-model in /usr/local/lib/python3.12/dist-packages (0.0.5)\n"
+      "Requirement already satisfied: spdx-python-model in /Users/art/.pyenv/versions/3.10.20/envs/spdx-python-model310/lib/python3.10/site-packages (0.0.6)\n",
+      "Note: you may need to restart the kernel to use updated packages.\n"
      ]
     }
+   ],
+   "source": [
+    "%pip install spdx-python-model"
    ]
   },
   {
    "cell_type": "markdown",
-   "source": [
-    "## Import and check library version"
-   ],
    "metadata": {
     "id": "0rhToD4DQQ0-"
-   }
+   },
+   "source": [
+    "## Import and check library version"
+   ]
   },
   {
    "cell_type": "code",
-   "source": [
-    "from spdx_python_model import VERSION, bindings\n",
-    "\n",
-    "print(f\"spdx-python-model library version: {VERSION}\")\n",
-    "\n",
-    "print(\"Available SPDX bindings in spdx_python_model module:\")\n",
-    "for name in dir(bindings):\n",
-    "  if not name.startswith(\"__\"):\n",
-    "    print(name)"
-   ],
+   "execution_count": 3,
    "metadata": {
     "colab": {
      "base_uri": "https://localhost:8080/"
@@ -133,91 +96,85 @@
     "id": "977gguFuH1Nt",
     "outputId": "71a52e69-ff00-4efc-e918-63e0e78fff7d"
    },
-   "execution_count": 3,
    "outputs": [
     {
-     "output_type": "stream",
      "name": "stdout",
+     "output_type": "stream",
      "text": [
-      "spdx-python-model library version: 0.0.5\n",
-      "Available SPDX bindings in spdx_python_model module:\n",
-      "v3_0_1\n"
+      "spdx-python-model library version: 0.0.6\n",
+      "Available bindings:\n",
+      "v3_0_1\n",
+      "v3_1\n"
      ]
     }
+   ],
+   "source": [
+    "import pkgutil\n",
+    "from spdx_python_model import __version__, bindings\n",
+    "\n",
+    "print(f\"spdx-python-model library version: {__version__}\")\n",
+    "\n",
+    "print(\"Available bindings:\")\n",
+    "for module_info in pkgutil.iter_modules(bindings.__path__):\n",
+    "  print(module_info.name)"
    ]
   },
   {
    "cell_type": "markdown",
-   "source": [
-    "To use a Python binding, import a specific version of the model.\n",
-    "\n",
-    "For example, to import a binding for SPDX model version 3.0.1, import `v3_0_1`."
-   ],
    "metadata": {
     "id": "yuweD-jan0A8"
-   }
+   },
+   "source": [
+    "To work with SPDX data, import the binding for the SPDX version you need.\n",
+    "\n",
+    "For example, to import the binding for SPDX 3.0.1, import `v3_0_1`."
+   ]
   },
   {
    "cell_type": "code",
-   "source": [
-    "from spdx_python_model import v3_0_1"
-   ],
+   "execution_count": 4,
    "metadata": {
     "id": "MW10UJY2n7Ot"
    },
-   "execution_count": 4,
-   "outputs": []
+   "outputs": [],
+   "source": [
+    "from spdx_python_model import v3_0_1"
+   ]
   },
   {
    "cell_type": "markdown",
-   "source": [
-    "Or you may like to assign it to a versionless alias,\n",
-    "so you can update the version easily later.\n",
-    "\n",
-    "For example, this will set the import alias as `spdx3`."
-   ],
    "metadata": {
     "id": "v7E3Ys6BoBKQ"
-   }
-  },
-  {
-   "cell_type": "code",
-   "source": [
-    "from spdx_python_model import v3_0_1 as spdx3"
-   ],
-   "metadata": {
-    "id": "bgKEojPtn_yC"
    },
-   "execution_count": 5,
-   "outputs": []
-  },
-  {
-   "cell_type": "markdown",
    "source": [
-    "If a new version (e.g., v3_1) is released, you only need to update the import line and can keep the rest of your code intact.\n",
+    "Or you may like to assign it to a versionless alias,\n",
+    "so you can update the version easily later.\n",
+    "For example, `from spdx_python_model import v3_0_1 as spdx3`.\n",
     "\n",
-    "For example, `from spdx_python_model import v3_1 as spdx3`."
-   ],
-   "metadata": {
-    "id": "PC_h1XmSpIF3"
-   }
+    "When a new version (e.g., 3.1) is released, you only need to update the\n",
+    "import line and can keep the rest of your code intact.\n",
+    "For example, `from spdx_python_model import v3_1 as spdx3`.\n",
+    "\n",
+    "The library also provides a way to automatically select the correct binding\n",
+    "from a file's content, without needing to specify the version manually —\n",
+    "we will cover that in the next section."
+   ]
   },
   {
    "cell_type": "markdown",
-   "source": [
-    "Once imported, we can now access SPDX 3 model.\n",
-    "\n",
-    "Let's print some \"named individuals\" from the model."
-   ],
    "metadata": {
     "id": "9bWRkIYvpkzO"
-   }
+   },
+   "source": [
+    "Once imported, we can now use the binding to access SPDX 3 classes,\n",
+    "properties, and vocabulary terms.\n",
+    "\n",
+    "Let's print some \"named individuals\" from the binding."
+   ]
   },
   {
    "cell_type": "code",
-   "source": [
-    "list(spdx3.NAMED_INDIVIDUALS)[:8]"
-   ],
+   "execution_count": 5,
    "metadata": {
     "colab": {
      "base_uri": "https://localhost:8080/"
@@ -225,79 +182,66 @@
     "id": "jh4qYAep0d-L",
     "outputId": "6334a3f2-9d54-428f-f92f-a89adc8950ca"
    },
-   "execution_count": 6,
    "outputs": [
     {
-     "output_type": "execute_result",
      "data": {
       "text/plain": [
-       "['https://spdx.org/rdf/3.0.1/terms/Core/ExternalIdentifierType/email',\n",
-       " 'https://spdx.org/rdf/3.0.1/terms/Dataset/DatasetAvailabilityType/registration',\n",
-       " 'https://spdx.org/rdf/3.0.1/terms/Core/RelationshipType/hasDocumentation',\n",
-       " 'https://spdx.org/rdf/3.0.1/terms/Core/RelationshipType/usesTool',\n",
-       " 'https://spdx.org/rdf/3.0.1/terms/Dataset/DatasetType/audio',\n",
-       " 'https://spdx.org/rdf/3.0.1/terms/Software/SbomType/analyzed',\n",
-       " 'https://spdx.org/rdf/3.0.1/terms/Core/RelationshipType/hasDataFile',\n",
-       " 'https://spdx.org/rdf/3.0.1/terms/Core/ExternalIdentifierType/urlScheme']"
+       "['https://spdx.org/rdf/3.0.1/terms/Dataset/DatasetType/timeseries',\n",
+       " 'https://spdx.org/rdf/3.0.1/terms/Core/AnnotationType/other',\n",
+       " 'https://spdx.org/rdf/3.0.1/terms/Core/ExternalRefType/privacyAssessment',\n",
+       " 'https://spdx.org/rdf/3.0.1/terms/AI/SafetyRiskAssessmentType/high',\n",
+       " 'https://spdx.org/rdf/3.0.1/terms/Core/ExternalRefType/funding',\n",
+       " 'https://spdx.org/rdf/3.0.1/terms/Core/RelationshipType/coordinatedBy',\n",
+       " 'https://spdx.org/rdf/3.0.1/terms/Core/RelationshipType/doesNotAffect',\n",
+       " 'https://spdx.org/rdf/3.0.1/terms/Core/RelationshipType/other']"
       ]
      },
+     "execution_count": 5,
      "metadata": {},
-     "execution_count": 6
+     "output_type": "execute_result"
     }
+   ],
+   "source": [
+    "list(v3_0_1.NAMED_INDIVIDUALS)[:8]"
    ]
   },
   {
    "cell_type": "markdown",
-   "source": [
-    "Some of these could be entries in SPDX 3 vocabularies (enum)."
-   ],
    "metadata": {
     "id": "x6C0wvWRqDIP"
-   }
-  },
-  {
-   "cell_type": "markdown",
+   },
    "source": [
-    "## Read SPDX data from SPDX 3 JSON file"
-   ],
-   "metadata": {
-    "id": "LeTPh0lsQZBw"
-   }
+    "Some of these could be entries in SPDX 3 vocabularies (enum)."
+   ]
   },
   {
    "cell_type": "markdown",
-   "source": [
-    "The library offers a built-in JSON-LD deserializer.\n",
-    "To use it, provide the path to your SPDX 3 JSON file and an instance of SHACLObjectSet.\n",
-    "The deserializer will read the JSON file and populate the SHACLObjectSet.\n",
-    "\n",
-    "SHACLObjectSet holds SHACLObjects, which are the primary data structures for\n",
-    "interaction within this library. It also includes helpful utilities, such as\n",
-    "a generator (iterator) for accessing objects by their type.\n",
-    "\n",
-    "In this example, we will first download the JSON file from the `spdx-examples` repository."
-   ],
    "metadata": {
     "id": "wak3vYKObfXI"
-   }
-  },
-  {
-   "cell_type": "code",
+   },
    "source": [
-    "from urllib.request import urlretrieve\n",
+    "## Read SPDX data from SPDX 3 JSON file\n",
     "\n",
-    "# url = \"https://raw.githubusercontent.com/spdx/spdx-examples/refs/heads/master/ai/example02/spdx3.0/sbom.spdx3.json\"\n",
-    "url = \"https://raw.githubusercontent.com/spdx/spdx-examples/refs/heads/master/software/example14/spdx3.0/examplemaven-0.0.1-enriched.spdx3.json\"\n",
-    "filename = \"sbom.spdx.json\"\n",
-    "filepath, _ = urlretrieve(url, filename)  # download from url; get the filepath\n",
+    "The library offers a `load()` function that reads an SPDX 3 JSON file and\n",
+    "automatically selects the correct Python binding based on the `@context` URL\n",
+    "in the file.\n",
     "\n",
-    "object_set = spdx3.SHACLObjectSet()\n",
+    "It returns a tuple of `(model, object_set)` where:\n",
     "\n",
-    "with open(filepath, \"r\", encoding=\"utf-8\") as f:\n",
-    "  spdx3.JSONLDDeserializer().read(f, object_set)\n",
+    "- `model` is the version-specific binding (e.g., `v3_0_1`) matching the file's context; and\n",
+    "- `object_set` is a `SHACLObjectSet` populated with the objects from the file.\n",
     "\n",
-    "print(object_set)"
-   ],
+    "`SHACLObjectSet` holds `SHACLObject`s, which are the primary data structures\n",
+    "for interaction within this library. It also includes helpful utilities,\n",
+    "such as a generator (iterator) for accessing objects by their type.\n",
+    "\n",
+    "In this example, we will first download the JSON file from the `spdx-examples`\n",
+    "repository."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
    "metadata": {
     "colab": {
      "base_uri": "https://localhost:8080/"
@@ -305,41 +249,63 @@
     "id": "JQ9lTkNdIckN",
     "outputId": "c5f14a5c-8db2-45d3-b93e-521d704d3823"
    },
-   "execution_count": 7,
    "outputs": [
     {
-     "output_type": "stream",
      "name": "stdout",
+     "output_type": "stream",
      "text": [
-      "<spdx_python_model.bindings.v3_0_1.model.SHACLObjectSet object at 0x78724e1985c0>\n"
+      "<spdx_python_model.bindings.v3_0_1.model.SHACLObjectSet object at 0x10a678460>\n"
      ]
     }
+   ],
+   "source": [
+    "from urllib.request import urlretrieve\n",
+    "from pathlib import Path\n",
+    "import spdx_python_model\n",
+    "\n",
+    "# url = \"https://raw.githubusercontent.com/spdx/spdx-examples/refs/heads/master/ai/example02/spdx3.0/sbom.spdx3.json\"\n",
+    "url = \"https://raw.githubusercontent.com/spdx/spdx-examples/refs/heads/master/software/example14/spdx3.0/examplemaven-0.0.1-enriched.spdx3.json\"\n",
+    "filename = \"sbom.spdx.json\"\n",
+    "filepath, _ = urlretrieve(url, filename)  # download from url; get the filepath\n",
+    "\n",
+    "spdx3, object_set = spdx_python_model.load(Path(filepath))\n",
+    "\n",
+    "print(object_set)"
    ]
   },
   {
    "cell_type": "markdown",
+   "metadata": {},
    "source": [
-    "## Some internal works of SHACLObjectSet"
-   ],
+    "`load()` returns a `(model, object_set)` tuple.\n",
+    "Here, `model` is the version-specific Python binding (e.g., `v3_0_1`)\n",
+    "automatically selected based on the `@context` URL in the file.\n",
+    "We assign it to `spdx3` as the versionless alias introduced earlier.\n",
+    "The `object_set` is a `SHACLObjectSet` populated with all the SPDX objects\n",
+    "from the file, which we will explore in the next section."
+   ]
+  },
+  {
+   "cell_type": "markdown",
    "metadata": {
     "id": "8llGik8aQdct"
-   }
+   },
+   "source": [
+    "## Some internal works of SHACLObjectSet"
+   ]
   },
   {
    "cell_type": "markdown",
-   "source": [
-    "Internally SHACLObjectSet keeps objects in its `objects` set."
-   ],
    "metadata": {
     "id": "jbEuuu53b0Eb"
-   }
+   },
+   "source": [
+    "Internally SHACLObjectSet keeps objects in its `objects` set."
+   ]
   },
   {
    "cell_type": "code",
-   "source": [
-    "# see what is inside\n",
-    "print(list(object_set.objects)[:3])"
-   ],
+   "execution_count": 7,
    "metadata": {
     "colab": {
      "base_uri": "https://localhost:8080/"
@@ -347,19 +313,25 @@
     "id": "y1z84-MK6cnx",
     "outputId": "cd938a15-85c0-4bc9-f0e9-7e880e769ff7"
    },
-   "execution_count": 8,
    "outputs": [
     {
-     "output_type": "stream",
      "name": "stdout",
+     "output_type": "stream",
      "text": [
-      "[<spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e156800>, <spdx_python_model.bindings.v3_0_1.model.software_Package object at 0x78724e075030>, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e157040>]\n"
+      "[<spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a615000>, <spdx_python_model.bindings.v3_0_1.model.software_Package object at 0x10a207010>, <spdx_python_model.bindings.v3_0_1.model.Person object at 0x10a652830>]\n"
      ]
     }
+   ],
+   "source": [
+    "# see what is inside\n",
+    "print(list(object_set.objects)[:3])"
    ]
   },
   {
    "cell_type": "markdown",
+   "metadata": {
+    "id": "4sqtE2vVcDnx"
+   },
    "source": [
     "Internally, for faster lookup, SHACLObjectSet maintains two indexes:\n",
     "`obj_by_id` and `obj_by_type`.\n",
@@ -371,22 +343,17 @@
     "`obj_by_type` is a dictionary where:\n",
     "- Keys are the `type` property values of the objects.\n",
     "  (e.g., \"SpdxDocument\", \"software_Package\", \"simplelicensing_LicenseExpression\").\n",
-    "  Note: Core Profile types do not require a prefix, while other Profiles do (e.g., \"software_\").\n",
+    "  - Note: Core namespace does not require a prefix, while other namespaces do\n",
+    "    (e.g., \"software_\"). This follows convention for SPDX 3 JSON serialization.\n",
     "- Values are sets of tuples. Each tuple contains:\n",
     "    1. A boolean indicating if the SHACLObject in this tuple is an exact type match (True)\n",
     "    or a subclass match (False); and\n",
     "    2. The SHACLObject instance itself."
-   ],
-   "metadata": {
-    "id": "4sqtE2vVcDnx"
-   }
+   ]
   },
   {
    "cell_type": "code",
-   "source": [
-    "any_license_infos = object_set.obj_by_type[\"simplelicensing_AnyLicenseInfo\"]\n",
-    "print(any_license_infos)"
-   ],
+   "execution_count": 8,
    "metadata": {
     "colab": {
      "base_uri": "https://localhost:8080/"
@@ -394,19 +361,25 @@
     "id": "xb-edy3n4eRh",
     "outputId": "c06a9ae7-8f19-4398-e1f8-5862673a04f5"
    },
-   "execution_count": 9,
    "outputs": [
     {
-     "output_type": "stream",
      "name": "stdout",
+     "output_type": "stream",
      "text": [
-      "{(False, <spdx_python_model.bindings.v3_0_1.model.simplelicensing_LicenseExpression object at 0x78724d6f80e0>), (False, <spdx_python_model.bindings.v3_0_1.model.simplelicensing_LicenseExpression object at 0x78724d713060>), (False, <spdx_python_model.bindings.v3_0_1.model.simplelicensing_LicenseExpression object at 0x78724d710fe0>), (False, <spdx_python_model.bindings.v3_0_1.model.simplelicensing_LicenseExpression object at 0x78724d6f8180>)}\n"
+      "{(False, <spdx_python_model.bindings.v3_0_1.model.simplelicensing_LicenseExpression object at 0x10a5b31a0>), (False, <spdx_python_model.bindings.v3_0_1.model.simplelicensing_LicenseExpression object at 0x10a5b2d40>), (False, <spdx_python_model.bindings.v3_0_1.model.simplelicensing_LicenseExpression object at 0x10a5b2a20>), (False, <spdx_python_model.bindings.v3_0_1.model.simplelicensing_LicenseExpression object at 0x10a5b2c00>)}\n"
      ]
     }
+   ],
+   "source": [
+    "any_license_infos = object_set.obj_by_type[\"simplelicensing_AnyLicenseInfo\"]\n",
+    "print(any_license_infos)"
    ]
   },
   {
    "cell_type": "markdown",
+   "metadata": {
+    "id": "S17Cuqt5cgiY"
+   },
    "source": [
     "Let's begin with a quick check.\n",
     "\n",
@@ -414,21 +387,11 @@
     "and if it is according to the specification.\n",
     "\n",
     "See: https://spdx.github.io/spdx-spec/v3.0.1/serializations/#serialization-information"
-   ],
-   "metadata": {
-    "id": "S17Cuqt5cgiY"
-   }
+   ]
   },
   {
    "cell_type": "code",
-   "source": [
-    "spdx_documents = list(object_set.obj_by_type[\"SpdxDocument\"])\n",
-    "\n",
-    "if len(spdx_documents) > 1:\n",
-    "  print(\"Warning: A serialization must not contain more than one SpdxDocument.\")\n",
-    "else:\n",
-    "  print(\"Looks good.\")"
-   ],
+   "execution_count": 9,
    "metadata": {
     "colab": {
      "base_uri": "https://localhost:8080/"
@@ -436,19 +399,83 @@
     "id": "S-Q78uecJ-m9",
     "outputId": "7b81ac18-6b6c-47d7-de6a-195795da0898"
    },
-   "execution_count": 10,
    "outputs": [
     {
-     "output_type": "stream",
      "name": "stdout",
+     "output_type": "stream",
      "text": [
       "Looks good.\n"
      ]
     }
+   ],
+   "source": [
+    "spdx_documents = list(object_set.obj_by_type[\"SpdxDocument\"])\n",
+    "\n",
+    "if len(spdx_documents) > 1:\n",
+    "  print(\"Warning: A serialization must not contain more than one SpdxDocument.\")\n",
+    "else:\n",
+    "  print(\"Looks good.\")"
    ]
   },
   {
    "cell_type": "code",
+   "execution_count": 10,
+   "metadata": {
+    "colab": {
+     "base_uri": "https://localhost:8080/"
+    },
+    "id": "1tiaPV-FKmZh",
+    "outputId": "0055c4f4-315c-43ce-a81f-9e6b4a55ee74"
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Relationship found: 28\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a614040>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a614b80>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a6156c0>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a614c40>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a615780>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a614d00>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a615840>)\n",
+      "(False, <spdx_python_model.bindings.v3_0_1.model.LifecycleScopedRelationship object at 0x10a615cc0>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a614dc0>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a615900>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a614e80>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a6159c0>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a614f40>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a615a80>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a615000>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a615600>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a615b40>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a614580>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a4c3640>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a6150c0>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a615180>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a614700>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a615240>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a615300>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a6153c0>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a615480>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a615540>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x10a614ac0>)\n",
+      "\n",
+      "LifecycleScopedRelationship found: 1\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.LifecycleScopedRelationship object at 0x10a615cc0>)\n",
+      "\n",
+      "software_Package found: 6\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.software_Package object at 0x10a207120>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.software_Package object at 0x10a206ce0>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.software_Package object at 0x10a207010>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.software_Package object at 0x10a207340>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.software_Package object at 0x10a206f00>)\n",
+      "(True, <spdx_python_model.bindings.v3_0_1.model.software_Package object at 0x10a206df0>)\n",
+      "\n"
+     ]
+    }
+   ],
    "source": [
     "# Get all objects of type \"Relationship\", including its subclasses\n",
     "relationships = object_set.obj_by_type[\"Relationship\"]\n",
@@ -471,76 +498,22 @@
     "  print(o)\n",
     "\n",
     "print()"
-   ],
-   "metadata": {
-    "colab": {
-     "base_uri": "https://localhost:8080/"
-    },
-    "id": "1tiaPV-FKmZh",
-    "outputId": "0055c4f4-315c-43ce-a81f-9e6b4a55ee74"
-   },
-   "execution_count": 11,
-   "outputs": [
-    {
-     "output_type": "stream",
-     "name": "stdout",
-     "text": [
-      "Relationship found: 28\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e060280>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e157280>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e060340>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e157340>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e156800>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e157e80>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e060400>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e0604c0>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e1574c0>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e060580>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e1553c0>)\n",
-      "(False, <spdx_python_model.bindings.v3_0_1.model.LifecycleScopedRelationship object at 0x78724e060a00>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e060640>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e157640>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e060700>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e156bc0>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e156c80>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e1562c0>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e157940>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e156ec0>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e157a00>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e156f80>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e157040>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e060100>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e157100>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e157c40>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e0601c0>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.Relationship object at 0x78724e1571c0>)\n",
-      "\n",
-      "LifecycleScopedRelationship found: 1\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.LifecycleScopedRelationship object at 0x78724e060a00>)\n",
-      "\n",
-      "software_Package found: 6\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.software_Package object at 0x78724e074590>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.software_Package object at 0x78724e0748c0>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.software_Package object at 0x78724e075030>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.software_Package object at 0x78724e1d2680>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.software_Package object at 0x78724e074040>)\n",
-      "(True, <spdx_python_model.bindings.v3_0_1.model.software_Package object at 0x78724e074ae0>)\n",
-      "\n"
-     ]
-    }
    ]
   },
   {
    "cell_type": "markdown",
-   "source": [
-    "## A proper way to get access to SPDX objects"
-   ],
    "metadata": {
     "id": "qY3_-XIGQoKT"
-   }
+   },
+   "source": [
+    "## A proper way to get access to SPDX objects"
+   ]
   },
   {
    "cell_type": "markdown",
+   "metadata": {
+    "id": "uqNOwXXAczeW"
+   },
    "source": [
     "While direct access to `obj_by_id` and `obj_by_type` is possible,\n",
     "it is generally recommended to use the provided access methods for better\n",
@@ -548,17 +521,11 @@
     "\n",
     "SHACLObjectSet offers the `find_by_id` method to retrieve a specific object\n",
     "using its unique `spdxId`."
-   ],
-   "metadata": {
-    "id": "uqNOwXXAczeW"
-   }
+   ]
   },
   {
    "cell_type": "code",
-   "source": [
-    "obj = object_set.find_by_id(\"https://spdx.org/spdxdocs/Sbom1-b1b4ff24-5ada-4c22-a9c9-7bd7121978ff\")\n",
-    "print(obj)"
-   ],
+   "execution_count": 11,
    "metadata": {
     "colab": {
      "base_uri": "https://localhost:8080/"
@@ -566,35 +533,35 @@
     "id": "c-28HXbkudie",
     "outputId": "267cf2f5-ec77-4fd5-fbe4-721b4d591cb7"
    },
-   "execution_count": 12,
    "outputs": [
     {
-     "output_type": "stream",
      "name": "stdout",
+     "output_type": "stream",
      "text": [
       "None\n"
      ]
     }
+   ],
+   "source": [
+    "obj = object_set.find_by_id(\"https://spdx.org/spdxdocs/Sbom1-b1b4ff24-5ada-4c22-a9c9-7bd7121978ff\")\n",
+    "print(obj)"
    ]
   },
   {
    "cell_type": "markdown",
+   "metadata": {
+    "id": "wyvA-i5fdB80"
+   },
    "source": [
     "SHACLObjectSet also provides `foreach_type`, a generator method that\n",
     "iterates over all objects of a specified type.\n",
     "\n",
     "By default, `foreach_type` will also return instances of subclasses."
-   ],
-   "metadata": {
-    "id": "wyvA-i5fdB80"
-   }
+   ]
   },
   {
    "cell_type": "code",
-   "source": [
-    "for obj in object_set.foreach_type(\"Relationship\"):\n",
-    "  print(obj)"
-   ],
+   "execution_count": 12,
    "metadata": {
     "colab": {
      "base_uri": "https://localhost:8080/"
@@ -602,68 +569,68 @@
     "id": "Qjz-D9iz_p8n",
     "outputId": "25136d1e-b2e0-4b95-85b0-929c761f1320"
    },
-   "execution_count": 13,
    "outputs": [
     {
-     "output_type": "stream",
      "name": "stdout",
+     "output_type": "stream",
      "text": [
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd32')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd23')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd33')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd7')\n",
       "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd5')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd11')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd32')\n",
       "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd13')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd33')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd14')\n",
       "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd36')\n",
+      "LifecycleScopedRelationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd45')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd15')\n",
       "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd38')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd21')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd16')\n",
       "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd39')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd14')\n",
-      "LifecycleScopedRelationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd45')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd18')\n",
       "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd46')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd25')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd20')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd31')\n",
       "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd48')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd16')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd15')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd7')\n",
       "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd3')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd11')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd21')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd23')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd8')\n",
       "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd24')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd25')\n",
       "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd27')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd10')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd8')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd29')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd18')\n",
       "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd28')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd31')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd20')\n"
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd29')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd10')\n"
      ]
     }
+   ],
+   "source": [
+    "for obj in object_set.foreach_type(\"Relationship\"):\n",
+    "  print(obj)"
    ]
   },
   {
    "cell_type": "markdown",
-   "source": [
-    "Notice the presence of `LifecycleScopedRelationship`, which is a subclass of `Relationship`."
-   ],
    "metadata": {
     "id": "24pEngfddGw1"
-   }
+   },
+   "source": [
+    "Notice the presence of `LifecycleScopedRelationship`, which is a subclass of `Relationship`."
+   ]
   },
   {
    "cell_type": "markdown",
-   "source": [
-    "Set `match_subclass` argument to False, to exclude subclasses.\n"
-   ],
    "metadata": {
     "id": "6YbhPUpqdSZ9"
-   }
+   },
+   "source": [
+    "Set `match_subclass` argument to False, to exclude subclasses.\n"
+   ]
   },
   {
    "cell_type": "code",
-   "source": [
-    "for obj in object_set.foreach_type(\"Relationship\", match_subclass=False):\n",
-    "  print(obj)"
-   ],
+   "execution_count": 13,
    "metadata": {
     "colab": {
      "base_uri": "https://localhost:8080/"
@@ -671,69 +638,69 @@
     "id": "CLSKgtC7yRmt",
     "outputId": "2a310168-97c0-448d-d2bb-ef407fb5f16b"
    },
-   "execution_count": 14,
    "outputs": [
     {
-     "output_type": "stream",
      "name": "stdout",
+     "output_type": "stream",
      "text": [
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd32')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd23')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd33')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd7')\n",
       "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd5')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd11')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd32')\n",
       "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd13')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd33')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd14')\n",
       "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd36')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd15')\n",
       "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd38')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd21')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd16')\n",
       "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd39')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd14')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd18')\n",
       "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd46')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd25')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd20')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd31')\n",
       "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd48')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd16')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd15')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd7')\n",
       "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd3')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd11')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd24')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd27')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd10')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd21')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd23')\n",
       "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd8')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd29')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd18')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd24')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd25')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd27')\n",
       "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd28')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd31')\n",
-      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd20')\n"
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd29')\n",
+      "Relationship(@id='http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd10')\n"
      ]
     }
+   ],
+   "source": [
+    "for obj in object_set.foreach_type(\"Relationship\", match_subclass=False):\n",
+    "  print(obj)"
    ]
   },
   {
    "cell_type": "markdown",
-   "source": [
-    "Notice the absence of `LifecycleScopedRelationship` this time."
-   ],
    "metadata": {
     "id": "_uwUlUordW9R"
-   }
+   },
+   "source": [
+    "Notice the absence of `LifecycleScopedRelationship` this time."
+   ]
   },
   {
    "cell_type": "markdown",
+   "metadata": {
+    "id": "pDSVRsAXdcqM"
+   },
    "source": [
     "Because `foreach_type` is a generator, you can use it like this as well:\n",
     "\n",
     "\n"
-   ],
-   "metadata": {
-    "id": "pDSVRsAXdcqM"
-   }
+   ]
   },
   {
    "cell_type": "code",
-   "source": [
-    "objs = set(object_set.foreach_type(\"Relationship\", match_subclass=False))\n",
-    "print(len(objs))"
-   ],
+   "execution_count": 14,
    "metadata": {
     "colab": {
      "base_uri": "https://localhost:8080/"
@@ -741,48 +708,45 @@
     "id": "1uVFmeYQAcSC",
     "outputId": "bac9e6b2-ff5e-481a-ef68-fe974cad4e02"
    },
-   "execution_count": 15,
    "outputs": [
     {
-     "output_type": "stream",
      "name": "stdout",
+     "output_type": "stream",
      "text": [
       "27\n"
      ]
     }
+   ],
+   "source": [
+    "objs = set(object_set.foreach_type(\"Relationship\", match_subclass=False))\n",
+    "print(len(objs))"
    ]
   },
   {
    "cell_type": "markdown",
-   "source": [
-    "## Accessing SPDX properties"
-   ],
    "metadata": {
     "id": "0GpZV9m1QzI1"
-   }
+   },
+   "source": [
+    "## Accessing SPDX properties"
+   ]
   },
   {
    "cell_type": "markdown",
+   "metadata": {
+    "id": "vnpIoFf1dli8"
+   },
    "source": [
     "SPDX objects and their properties can be accessed directly from Python attributes.\n",
     "\n",
     "For example, this SpdxDocument `doc` has an attribute `creationInfo`\n",
     "and the value of `creationInfo` is a CreationInfo object.\n",
     "We can directly access `specVersion` attribute of the CreationInfo object like this."
-   ],
-   "metadata": {
-    "id": "vnpIoFf1dli8"
-   }
+   ]
   },
   {
    "cell_type": "code",
-   "source": [
-    "doc = list(object_set.foreach_type(\"SpdxDocument\", match_subclass=False))[0]\n",
-    "print(\"SPDX Spec Version:\", doc.creationInfo.specVersion)\n",
-    "\n",
-    "root_element = doc.rootElement[0]  # assume we have only one root element\n",
-    "print(\"Root element ID:\", root_element.spdxId)"
-   ],
+   "execution_count": 15,
    "metadata": {
     "colab": {
      "base_uri": "https://localhost:8080/"
@@ -790,31 +754,40 @@
     "id": "pXl50kABJXnw",
     "outputId": "6712992f-9fe3-4100-8c47-92d6b171b0d9"
    },
-   "execution_count": 16,
    "outputs": [
     {
-     "output_type": "stream",
      "name": "stdout",
+     "output_type": "stream",
      "text": [
       "SPDX Spec Version: 3.0.1\n",
       "Root element ID: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n"
      ]
     }
+   ],
+   "source": [
+    "doc = list(object_set.foreach_type(\"SpdxDocument\", match_subclass=False))[0]\n",
+    "print(\"SPDX Spec Version:\", doc.creationInfo.specVersion)\n",
+    "\n",
+    "root_element = doc.rootElement[0]  # assume we have only one root element\n",
+    "print(\"Root element ID:\", root_element.spdxId)"
    ]
   },
   {
    "cell_type": "markdown",
+   "metadata": {
+    "id": "VgA7RhdiPZjl"
+   },
    "source": [
     "The SPDX specification defines the classes and properties of SPDX models.\n",
     "\n",
     "For example, the SpdxDocument class is detailed at: https://spdx.github.io/spdx-spec/v3.0.1/model/Core/Classes/SpdxDocument/"
-   ],
-   "metadata": {
-    "id": "VgA7RhdiPZjl"
-   }
+   ]
   },
   {
    "cell_type": "markdown",
+   "metadata": {
+    "id": "rNdl2dqiPht8"
+   },
    "source": [
     "## Put things together\n",
     "\n",
@@ -822,45 +795,11 @@
     "Let's try to visualize an SPDX 3 SBOM.\n",
     "\n",
     "The example below will iterate through all relationships and print relationship types between SPDX objects."
-   ],
-   "metadata": {
-    "id": "rNdl2dqiPht8"
-   }
+   ]
   },
   {
    "cell_type": "code",
-   "source": [
-    "def print_object_info(obj, prefix=\"\"):\n",
-    "  \"\"\"helper function to print a box containing object info.\n",
-    "  obj can be either SHACLObject or just spdxId (string).\"\"\"\n",
-    "  print(f\"{prefix}\u250f\" + \"\u2501\"*50 + \"\u2505\")\n",
-    "  if isinstance(obj, spdx3.SHACLObject):\n",
-    "    print(f\"{prefix}\u2503 {obj.__class__.__name__}\")\n",
-    "    print(f\"{prefix}\u2503  - name: {getattr(obj, 'name', 'N/A')}\")\n",
-    "    print(f\"{prefix}\u2503  - spdxId: {obj.spdxId}\")\n",
-    "  else: # assume it's an spdxId for an external object\n",
-    "    print(f\"{prefix}\u2503 (Unresolved spdxId)\")\n",
-    "    print(f\"{prefix}\u2503  - spdxId: {obj}\")\n",
-    "  print(f\"{prefix}\u2517\" + \"\u2501\"*50 + \"\u2505\")\n",
-    "\n",
-    "for rel in object_set.foreach_type(\"Relationship\"):\n",
-    "  # spdx-python-model uses \"from_\" instead of \"from\" to avoid the Python keyword\n",
-    "  from_obj = getattr(rel, \"from_\")\n",
-    "  to_objs = getattr(rel, \"to\")\n",
-    "  # print only the type name, not the full URL, for conciseness\n",
-    "  rel_type = getattr(rel, \"relationshipType\").split(\"/\")[-1]\n",
-    "\n",
-    "  print_object_info(from_obj)\n",
-    "\n",
-    "  print( \"    \u2502\")\n",
-    "  print(f\"  {rel_type}\")\n",
-    "  print( \"    \u2193\")\n",
-    "\n",
-    "  for o in to_objs:\n",
-    "    print_object_info(o, prefix=\"  \")\n",
-    "\n",
-    "  print()"
-   ],
+   "execution_count": 16,
    "metadata": {
     "colab": {
      "base_uri": "https://localhost:8080/"
@@ -868,448 +807,482 @@
     "id": "pAgJZnDJU4Jf",
     "outputId": "5bcfcb33-f0f0-4350-ffa0-ecbaa30bc62b"
    },
-   "execution_count": 17,
    "outputs": [
     {
-     "output_type": "stream",
      "name": "stdout",
+     "output_type": "stream",
      "text": [
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_Package\n",
-      "\u2503  - name: Apache Log4j SLF4J Binding\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd30\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_Package\n",
+      "┃  - name: examplemaven\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
+      "  contains\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ software_File\n",
+      "  ┃  - name: ./src/main/java/org/spdx/examplemaven/App.java\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd6\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_Package\n",
+      "┃  - name: examplemaven\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
+      "  contains\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ software_File\n",
+      "  ┃  - name: ./src/test/java/org/spdx/examplemaven/AppTest.java\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd12\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_Package\n",
+      "┃  - name: Apache Log4j SLF4J Binding\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd30\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
       "  hasDeclaredLicense\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 simplelicensing_LicenseExpression\n",
-      "  \u2503  - name: None\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd19\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ simplelicensing_LicenseExpression\n",
+      "  ┃  - name: None\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd19\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_Package\n",
-      "\u2503  - name: Apache Log4j API\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd22\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
-      "  hasConcludedLicense\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 simplelicensing_LicenseExpression\n",
-      "  \u2503  - name: None\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd19\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_Package\n",
+      "┃  - name: examplemaven\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
+      "  hasTestCase\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ software_File\n",
+      "  ┃  - name: ./src/test/java/org/spdx/examplemaven/AppTest.java\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd12\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_Package\n",
-      "\u2503  - name: examplemaven\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_Package\n",
+      "┃  - name: examplemaven\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
       "  hasConcludedLicense\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 simplelicensing_LicenseExpression\n",
-      "  \u2503  - name: None\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd9\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ simplelicensing_LicenseExpression\n",
+      "  ┃  - name: None\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd9\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_File\n",
-      "\u2503  - name: ./src/main/java/org/spdx/examplemaven/App.java\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd6\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
-      "  generates\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 software_Package\n",
-      "  \u2503  - name: examplemaven\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_File\n",
+      "┃  - name: ./src/test/java/org/spdx/examplemaven/AppTest.java\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd12\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
+      "  hasConcludedLicense\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ simplelicensing_LicenseExpression\n",
+      "  ┃  - name: None\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd9\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_Package\n",
-      "\u2503  - name: examplemaven\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
-      "  contains\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 software_File\n",
-      "  \u2503  - name: ./src/main/java/org/spdx/examplemaven/App.java\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd6\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_Package\n",
+      "┃  - name: examplemaven\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
+      "  hasDistributionArtifact\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ software_File\n",
+      "  ┃  - name: examplemaven-0.0.1.jar\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd35\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_Package\n",
-      "\u2503  - name: examplemaven\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
-      "  hasTestCase\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 software_File\n",
-      "  \u2503  - name: ./src/test/java/org/spdx/examplemaven/AppTest.java\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd12\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_Package\n",
+      "┃  - name: examplemaven\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
+      "  dependsOn\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ software_Package\n",
+      "  ┃  - name: JUnit\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd44\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_Package\n",
-      "\u2503  - name: examplemaven\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
-      "  hasDistributionArtifact\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 software_File\n",
-      "  \u2503  - name: examplemaven-0.0.1.jar\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd35\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_File\n",
+      "┃  - name: ./src/test/java/org/spdx/examplemaven/AppTest.java\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd12\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
+      "  hasDeclaredLicense\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ simplelicensing_LicenseExpression\n",
+      "  ┃  - name: None\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd9\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_Package\n",
-      "\u2503  - name: examplemaven\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_Package\n",
+      "┃  - name: examplemaven\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
       "  hasDeclaredLicense\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 simplelicensing_LicenseExpression\n",
-      "  \u2503  - name: None\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd9\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ simplelicensing_LicenseExpression\n",
+      "  ┃  - name: None\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd9\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_Package\n",
-      "\u2503  - name: Apache Log4j API\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd22\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_Package\n",
+      "┃  - name: Apache Log4j Core\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd17\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
       "  hasDynamicLink\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 software_Package\n",
-      "  \u2503  - name: examplemaven\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ software_Package\n",
+      "  ┃  - name: examplemaven\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 (Unresolved spdxId)\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1#SPDXRef-DOCUMENT\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ (Unresolved spdxId)\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1#SPDXRef-DOCUMENT\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
       "  amendedBy\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 SpdxDocument\n",
-      "  \u2503  - name: examplemaven\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/document0\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ SpdxDocument\n",
+      "  ┃  - name: examplemaven\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/document0\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_File\n",
-      "\u2503  - name: ./src/test/java/org/spdx/examplemaven/AppTest.java\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd12\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_Package\n",
+      "┃  - name: Apache Log4j Core\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd17\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
       "  hasConcludedLicense\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 simplelicensing_LicenseExpression\n",
-      "  \u2503  - name: None\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd9\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_Package\n",
-      "\u2503  - name: examplemaven\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
-      "  dependsOn\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 software_Package\n",
-      "  \u2503  - name: JUnit\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd44\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ simplelicensing_LicenseExpression\n",
+      "  ┃  - name: None\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd19\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_Package\n",
-      "\u2503  - name: JUnit\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd44\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_Package\n",
+      "┃  - name: JUnit\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd44\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
       "  hasConcludedLicense\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 simplelicensing_LicenseExpression\n",
-      "  \u2503  - name: None\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd19\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_Package\n",
-      "\u2503  - name: SLF4J API Module\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd26\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
-      "  hasDynamicLink\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 software_Package\n",
-      "  \u2503  - name: examplemaven\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ simplelicensing_LicenseExpression\n",
+      "  ┃  - name: None\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd19\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_Package\n",
-      "\u2503  - name: JUnit\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd44\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_Package\n",
+      "┃  - name: Apache Log4j Core\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd17\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
       "  hasDeclaredLicense\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 simplelicensing_LicenseExpression\n",
-      "  \u2503  - name: None\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd49\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ simplelicensing_LicenseExpression\n",
+      "  ┃  - name: None\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd19\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_Package\n",
-      "\u2503  - name: Apache Log4j Core\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd17\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
-      "  hasDynamicLink\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 software_Package\n",
-      "  \u2503  - name: examplemaven\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_Package\n",
+      "┃  - name: Apache Log4j SLF4J Binding\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd30\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
+      "  hasConcludedLicense\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ simplelicensing_LicenseExpression\n",
+      "  ┃  - name: None\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd19\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_File\n",
-      "\u2503  - name: ./src/test/java/org/spdx/examplemaven/AppTest.java\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd12\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_Package\n",
+      "┃  - name: JUnit\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd44\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
       "  hasDeclaredLicense\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 simplelicensing_LicenseExpression\n",
-      "  \u2503  - name: None\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd9\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ simplelicensing_LicenseExpression\n",
+      "  ┃  - name: None\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd49\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_File\n",
+      "┃  - name: ./src/main/java/org/spdx/examplemaven/App.java\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd6\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
+      "  generates\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ software_Package\n",
+      "  ┃  - name: examplemaven\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 SpdxDocument\n",
-      "\u2503  - name: examplemaven\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/document0\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ SpdxDocument\n",
+      "┃  - name: examplemaven\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/document0\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
       "  describes\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 software_Package\n",
-      "  \u2503  - name: examplemaven\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ software_Package\n",
+      "  ┃  - name: examplemaven\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_Package\n",
-      "\u2503  - name: examplemaven\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
-      "  contains\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 software_File\n",
-      "  \u2503  - name: ./src/test/java/org/spdx/examplemaven/AppTest.java\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd12\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_Package\n",
+      "┃  - name: Apache Log4j API\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd22\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
+      "  hasDynamicLink\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ software_Package\n",
+      "  ┃  - name: examplemaven\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_Package\n",
-      "\u2503  - name: Apache Log4j API\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd22\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
-      "  hasDeclaredLicense\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 simplelicensing_LicenseExpression\n",
-      "  \u2503  - name: None\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd19\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_Package\n",
+      "┃  - name: Apache Log4j API\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd22\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
+      "  hasConcludedLicense\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ simplelicensing_LicenseExpression\n",
+      "  ┃  - name: None\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd19\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_Package\n",
-      "\u2503  - name: SLF4J API Module\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd26\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_File\n",
+      "┃  - name: ./src/main/java/org/spdx/examplemaven/App.java\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd6\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
       "  hasConcludedLicense\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 simplelicensing_LicenseExpression\n",
-      "  \u2503  - name: None\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd19\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ simplelicensing_LicenseExpression\n",
+      "  ┃  - name: None\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd9\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_File\n",
-      "\u2503  - name: ./src/main/java/org/spdx/examplemaven/App.java\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd6\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_Package\n",
+      "┃  - name: Apache Log4j API\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd22\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
       "  hasDeclaredLicense\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 simplelicensing_LicenseExpression\n",
-      "  \u2503  - name: None\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd9\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_File\n",
-      "\u2503  - name: ./src/main/java/org/spdx/examplemaven/App.java\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd6\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
-      "  hasConcludedLicense\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 simplelicensing_LicenseExpression\n",
-      "  \u2503  - name: None\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd9\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ simplelicensing_LicenseExpression\n",
+      "  ┃  - name: None\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd19\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_Package\n",
-      "\u2503  - name: Apache Log4j SLF4J Binding\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd30\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_Package\n",
+      "┃  - name: SLF4J API Module\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd26\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
       "  hasDynamicLink\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 software_Package\n",
-      "  \u2503  - name: examplemaven\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ software_Package\n",
+      "  ┃  - name: examplemaven\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_Package\n",
-      "\u2503  - name: Apache Log4j Core\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd17\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_Package\n",
+      "┃  - name: SLF4J API Module\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd26\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
       "  hasConcludedLicense\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 simplelicensing_LicenseExpression\n",
-      "  \u2503  - name: None\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd19\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ simplelicensing_LicenseExpression\n",
+      "  ┃  - name: None\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd19\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_Package\n",
-      "\u2503  - name: SLF4J API Module\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd26\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_Package\n",
+      "┃  - name: SLF4J API Module\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd26\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
       "  hasDeclaredLicense\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 simplelicensing_LicenseExpression\n",
-      "  \u2503  - name: None\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd19\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ simplelicensing_LicenseExpression\n",
+      "  ┃  - name: None\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd19\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_Package\n",
-      "\u2503  - name: Apache Log4j SLF4J Binding\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd30\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
-      "  hasConcludedLicense\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 simplelicensing_LicenseExpression\n",
-      "  \u2503  - name: None\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd19\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_Package\n",
+      "┃  - name: Apache Log4j SLF4J Binding\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd30\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
+      "  hasDynamicLink\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ software_Package\n",
+      "  ┃  - name: examplemaven\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd4\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n",
-      "\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "\u2503 software_Package\n",
-      "\u2503  - name: Apache Log4j Core\n",
-      "\u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd17\n",
-      "\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "    \u2502\n",
+      "┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "┃ software_File\n",
+      "┃  - name: ./src/main/java/org/spdx/examplemaven/App.java\n",
+      "┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd6\n",
+      "┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "    │\n",
       "  hasDeclaredLicense\n",
-      "    \u2193\n",
-      "  \u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
-      "  \u2503 simplelicensing_LicenseExpression\n",
-      "  \u2503  - name: None\n",
-      "  \u2503  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd19\n",
-      "  \u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2505\n",
+      "    ↓\n",
+      "  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
+      "  ┃ simplelicensing_LicenseExpression\n",
+      "  ┃  - name: None\n",
+      "  ┃  - spdxId: http://spdx.org/documents/examplemaven-0.0.1/enriched-specv3/SPDXRef-gnrtd9\n",
+      "  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┅\n",
       "\n"
      ]
     }
+   ],
+   "source": [
+    "def print_object_info(obj, prefix=\"\"):\n",
+    "  \"\"\"helper function to print a box containing object info.\n",
+    "  obj can be either SHACLObject or just spdxId (string).\"\"\"\n",
+    "  print(f\"{prefix}┏\" + \"━\"*50 + \"┅\")\n",
+    "  if isinstance(obj, spdx3.SHACLObject):\n",
+    "    print(f\"{prefix}┃ {obj.__class__.__name__}\")\n",
+    "    print(f\"{prefix}┃  - name: {getattr(obj, 'name', 'N/A')}\")\n",
+    "    print(f\"{prefix}┃  - spdxId: {obj.spdxId}\")\n",
+    "  else: # assume it's an spdxId for an external object\n",
+    "    print(f\"{prefix}┃ (Unresolved spdxId)\")\n",
+    "    print(f\"{prefix}┃  - spdxId: {obj}\")\n",
+    "  print(f\"{prefix}┗\" + \"━\"*50 + \"┅\")\n",
+    "\n",
+    "for rel in object_set.foreach_type(\"Relationship\"):\n",
+    "  # spdx-python-model uses \"from_\" instead of \"from\" to avoid the Python keyword\n",
+    "  from_obj = getattr(rel, \"from_\")\n",
+    "  to_objs = getattr(rel, \"to\")\n",
+    "  # print only the type name, not the full URL, for conciseness\n",
+    "  rel_type = getattr(rel, \"relationshipType\").split(\"/\")[-1]\n",
+    "\n",
+    "  print_object_info(from_obj)\n",
+    "\n",
+    "  print( \"    │\")\n",
+    "  print(f\"  {rel_type}\")\n",
+    "  print( \"    ↓\")\n",
+    "\n",
+    "  for o in to_objs:\n",
+    "    print_object_info(o, prefix=\"  \")\n",
+    "\n",
+    "  print()"
    ]
   },
   {
    "cell_type": "markdown",
+   "metadata": {
+    "id": "D2PljHcL5iH_"
+   },
    "source": [
     "## SPDX object creation and built-in validation\n",
     "\n",
     "To create an SPDX object,\n",
     "simply use the standard constructor as you would with any native Python class."
-   ],
-   "metadata": {
-    "id": "D2PljHcL5iH_"
-   }
+   ]
   },
   {
    "cell_type": "code",
-   "source": [
-    "package = spdx3.ai_AIPackage()\n",
-    "package"
-   ],
+   "execution_count": 17,
    "metadata": {
-    "id": "9hjARbwm6DUd",
-    "outputId": "d93e5e20-7271-4f09-9635-62c2511fa923",
     "colab": {
      "base_uri": "https://localhost:8080/"
-    }
+    },
+    "id": "9hjARbwm6DUd",
+    "outputId": "d93e5e20-7271-4f09-9635-62c2511fa923"
    },
-   "execution_count": 18,
    "outputs": [
     {
-     "output_type": "execute_result",
      "data": {
       "text/plain": [
-       "<spdx_python_model.bindings.v3_0_1.model.ai_AIPackage at 0x78725ec69df0>"
+       "<spdx_python_model.bindings.v3_0_1.model.ai_AIPackage at 0x10a6acb30>"
       ]
      },
+     "execution_count": 17,
      "metadata": {},
-     "execution_count": 18
+     "output_type": "execute_result"
     }
+   ],
+   "source": [
+    "package = spdx3.ai_AIPackage()\n",
+    "package"
    ]
   },
   {
    "cell_type": "markdown",
+   "metadata": {
+    "id": "68j1H6Fw6xtf"
+   },
    "source": [
     "The spdx-python-model library features built-in SHACL-based validation derived\n",
     "directly from the [SPDX 3 model][spdx-3-model].\n",
@@ -1323,116 +1296,151 @@
     "[spdx-3-model]: https://spdx.org/rdf/3.0.1/spdx-model.ttl\n",
     "[ai-package]: https://spdx.github.io/spdx-spec/v3.0.1/model/AI/Classes/AIPackage/\n",
     "[cardinality]: https://spdx.github.io/spdx-spec/v3.0.1/conformance/"
-   ],
-   "metadata": {
-    "id": "68j1H6Fw6xtf"
-   }
+   ]
   },
   {
    "cell_type": "code",
-   "source": [
-    "package.ai_domain = \"nlp\""
-   ],
+   "execution_count": 18,
    "metadata": {
-    "id": "cAzCx9tV6wI-",
-    "outputId": "1c32fb63-fa35-4b0b-e442-9d439cb3e5de",
     "colab": {
      "base_uri": "https://localhost:8080/",
      "height": 318
-    }
+    },
+    "id": "cAzCx9tV6wI-",
+    "outputId": "1c32fb63-fa35-4b0b-e442-9d439cb3e5de"
    },
-   "execution_count": 19,
    "outputs": [
     {
-     "output_type": "error",
      "ename": "TypeError",
      "evalue": "Value must be one of type: list, ListProxy. Got str",
+     "output_type": "error",
      "traceback": [
-      "\\^[[0;31m---------------------------------------------------------------------------\\^[[0m",
-      "\\^[[0;31mTypeError\\^[[0m                                 Traceback (most recent call last)",
-      "\\^[[0;32m/tmp/ipykernel_20264/179762956.py\\^[[0m in \\^[[0;36m<cell line: 0>\\^[[0;34m()\\^[[0m\n\\^[[0;32m----> 1\\^[[0;31m \\^[[0mpackage\\^[[0m\\^[[0;34m.\\^[[0m\\^[[0mai_domain\\^[[0m \\^[[0;34m=\\^[[0m \\^[[0;34m\"nlp\"\\^[[0m\\^[[0;34m\\^[[0m\\^[[0;34m\\^[[0m\\^[[0m\n\\^[[0m",
-      "\\^[[0;32m/usr/local/lib/python3.12/dist-packages/spdx_python_model/bindings/v3_0_1/model.py\\^[[0m in \\^[[0;36m__setattr__\\^[[0;34m(self, name, value)\\^[[0m\n\\^[[1;32m   1061\\^[[0m             \\^[[0;32mreturn\\^[[0m\\^[[0;34m\\^[[0m\\^[[0;34m\\^[[0m\\^[[0m\n\\^[[1;32m   1062\\^[[0m \\^[[0;34m\\^[[0m\\^[[0m\n\\^[[0;32m-> 1063\\^[[0;31m         \\^[[0mself\\^[[0m\\^[[0;34m.\\^[[0m\\^[[0m__set\\^[[0m\\^[[0;34m(\\^[[0m\\^[[0mself\\^[[0m\\^[[0;34m.\\^[[0m\\^[[0m__get_attr\\^[[0m\\^[[0;34m(\\^[[0m\\^[[0mname\\^[[0m\\^[[0;34m)\\^[[0m\\^[[0;34m,\\^[[0m \\^[[0mvalue\\^[[0m\\^[[0;34m)\\^[[0m\\^[[0;34m\\^[[0m\\^[[0;34m\\^[[0m\\^[[0m\n\\^[[0m\\^[[1;32m   1064\\^[[0m \\^[[0;34m\\^[[0m\\^[[0m\n\\^[[1;32m   1065\\^[[0m     \\^[[0;32mdef\\^[[0m \\^[[0m__getattr__\\^[[0m\\^[[0;34m(\\^[[0m\\^[[0mself\\^[[0m\\^[[0;34m,\\^[[0m \\^[[0mname\\^[[0m\\^[[0;34m:\\^[[0m \\^[[0mstr\\^[[0m\\^[[0;34m)\\^[[0m \\^[[0;34m->\\^[[0m \\^[[0mAny\\^[[0m\\^[[0;34m:\\^[[0m\\^[[0;34m\\^[[0m\\^[[0;34m\\^[[0m\\^[[0m\n",
-      "\\^[[0;32m/usr/local/lib/python3.12/dist-packages/spdx_python_model/bindings/v3_0_1/model.py\\^[[0m in \\^[[0;36m__set\\^[[0;34m(self, p, value)\\^[[0m\n\\^[[1;32m   1034\\^[[0m                     )\n\\^[[1;32m   1035\\^[[0m \\^[[0;34m\\^[[0m\\^[[0m\n\\^[[0;32m-> 1036\\^[[0;31m         \\^[[0mp\\^[[0m\\^[[0;34m.\\^[[0m\\^[[0mprop\\^[[0m\\^[[0;34m.\\^[[0m\\^[[0mvalidate\\^[[0m\\^[[0;34m(\\^[[0m\\^[[0mvalue\\^[[0m\\^[[0;34m)\\^[[0m\\^[[0;34m\\^[[0m\\^[[0;34m\\^[[0m\\^[[0m\n\\^[[0m\\^[[1;32m   1037\\^[[0m         \\^[[0;32mif\\^[[0m \\^[[0mp\\^[[0m\\^[[0;34m.\\^[[0m\\^[[0mdeprecated\\^[[0m\\^[[0;34m:\\^[[0m\\^[[0;34m\\^[[0m\\^[[0;34m\\^[[0m\\^[[0m\n\\^[[1;32m   1038\\^[[0m             warnings.warn(\n",
-      "\\^[[0;32m/usr/local/lib/python3.12/dist-packages/spdx_python_model/bindings/v3_0_1/model.py\\^[[0m in \\^[[0;36mvalidate\\^[[0;34m(self, value)\\^[[0m\n\\^[[1;32m    568\\^[[0m \\^[[0;34m\\^[[0m\\^[[0m\n\\^[[1;32m    569\\^[[0m     \\^[[0;32mdef\\^[[0m \\^[[0mvalidate\\^[[0m\\^[[0;34m(\\^[[0m\\^[[0mself\\^[[0m\\^[[0;34m,\\^[[0m \\^[[0mvalue\\^[[0m\\^[[0;34m:\\^[[0m \\^[[0mAny\\^[[0m\\^[[0;34m)\\^[[0m \\^[[0;34m->\\^[[0m \\^[[0;32mNone\\^[[0m\\^[[0;34m:\\^[[0m\\^[[0;34m\\^[[0m\\^[[0;34m\\^[[0m\\^[[0m\n\\^[[0;32m--> 570\\^[[0;31m         \\^[[0msuper\\^[[0m\\^[[0;34m(\\^[[0m\\^[[0;34m)\\^[[0m\\^[[0;34m.\\^[[0m\\^[[0mvalidate\\^[[0m\\^[[0;34m(\\^[[0m\\^[[0mvalue\\^[[0m\\^[[0;34m)\\^[[0m\\^[[0;34m\\^[[0m\\^[[0;34m\\^[[0m\\^[[0m\n\\^[[0m\\^[[1;32m    571\\^[[0m \\^[[0;34m\\^[[0m\\^[[0m\n\\^[[1;32m    572\\^[[0m         \\^[[0;32mfor\\^[[0m \\^[[0mi\\^[[0m \\^[[0;32min\\^[[0m \\^[[0mvalue\\^[[0m\\^[[0;34m:\\^[[0m\\^[[0;34m\\^[[0m\\^[[0;34m\\^[[0m\\^[[0m\n",
-      "\\^[[0;32m/usr/local/lib/python3.12/dist-packages/spdx_python_model/bindings/v3_0_1/model.py\\^[[0m in \\^[[0;36mvalidate\\^[[0;34m(self, value)\\^[[0m\n\\^[[1;32m     76\\^[[0m \\^[[0;34m\\^[[0m\\^[[0m\n\\^[[1;32m     77\\^[[0m     \\^[[0;32mdef\\^[[0m \\^[[0mvalidate\\^[[0m\\^[[0;34m(\\^[[0m\\^[[0mself\\^[[0m\\^[[0;34m,\\^[[0m \\^[[0mvalue\\^[[0m\\^[[0;34m:\\^[[0m \\^[[0mAny\\^[[0m\\^[[0;34m)\\^[[0m \\^[[0;34m->\\^[[0m \\^[[0;32mNone\\^[[0m\\^[[0;34m:\\^[[0m\\^[[0;34m\\^[[0m\\^[[0;34m\\^[[0m\\^[[0m\n\\^[[0;32m---> 78\\^[[0;31m         \\^[[0mcheck_type\\^[[0m\\^[[0;34m(\\^[[0m\\^[[0mvalue\\^[[0m\\^[[0;34m,\\^[[0m \\^[[0mself\\^[[0m\\^[[0;34m.\\^[[0m\\^[[0mVALID_TYPES\\^[[0m\\^[[0;34m)\\^[[0m\\^[[0;34m\\^[[0m\\^[[0;34m\\^[[0m\\^[[0m\n\\^[[0m\\^[[1;32m     79\\^[[0m         if self.pattern is not None and not re.search(\n\\^[[1;32m     80\\^[[0m             \\^[[0mself\\^[[0m\\^[[0;34m.\\^[[0m\\^[[0mpattern\\^[[0m\\^[[0;34m,\\^[[0m \\^[[0mself\\^[[0m\\^[[0;34m.\\^[[0m\\^[[0mto_string\\^[[0m\\^[[0;34m(\\^[[0m\\^[[0mvalue\\^[[0m\\^[[0;34m)\\^[[0m\\^[[0;34m\\^[[0m\\^[[0;34m\\^[[0m\\^[[0m\n",
-      "\\^[[0;32m/usr/local/lib/python3.12/dist-packages/spdx_python_model/bindings/v3_0_1/model.py\\^[[0m in \\^[[0;36mcheck_type\\^[[0;34m(obj, types)\\^[[0m\n\\^[[1;32m     51\\^[[0m     \\^[[0;32mif\\^[[0m \\^[[0;32mnot\\^[[0m \\^[[0misinstance\\^[[0m\\^[[0;34m(\\^[[0m\\^[[0mobj\\^[[0m\\^[[0;34m,\\^[[0m \\^[[0mtypes\\^[[0m\\^[[0;34m)\\^[[0m\\^[[0;34m:\\^[[0m\\^[[0;34m\\^[[0m\\^[[0;34m\\^[[0m\\^[[0m\n\\^[[1;32m     52\\^[[0m         \\^[[0;32mif\\^[[0m \\^[[0misinstance\\^[[0m\\^[[0;34m(\\^[[0m\\^[[0mtypes\\^[[0m\\^[[0;34m,\\^[[0m \\^[[0;34m(\\^[[0m\\^[[0mlist\\^[[0m\\^[[0;34m,\\^[[0m \\^[[0mtuple\\^[[0m\\^[[0;34m)\\^[[0m\\^[[0;34m)\\^[[0m\\^[[0;34m:\\^[[0m\\^[[0;34m\\^[[0m\\^[[0;34m\\^[[0m\\^[[0m\n\\^[[0;32m---> 53\\^[[0;31m             raise TypeError(\n\\^[[0m\\^[[1;32m     54\\^[[0m                 \\^[[0;34mf\"Value must be one of type: {', '.join(t.__name__ for t in types)}. Got {type(obj).__name__}\"\\^[[0m\\^[[0;34m\\^[[0m\\^[[0;34m\\^[[0m\\^[[0m\n\\^[[1;32m     55\\^[[0m             )\n",
-      "\\^[[0;31mTypeError\\^[[0m: Value must be one of type: list, ListProxy. Got str"
+      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
+      "\u001b[0;31mTypeError\u001b[0m                                 Traceback (most recent call last)",
+      "Cell \u001b[0;32mIn[18], line 1\u001b[0m\n\u001b[0;32m----> 1\u001b[0m \u001b[43mpackage\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mai_domain\u001b[49m \u001b[38;5;241m=\u001b[39m \u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mnlp\u001b[39m\u001b[38;5;124m\"\u001b[39m\n",
+      "File \u001b[0;32m~/projects/spdx-python-model/src/spdx_python_model/bindings/v3_0_1/model.py:1075\u001b[0m, in \u001b[0;36mSHACLObject.__setattr__\u001b[0;34m(self, name, value)\u001b[0m\n\u001b[1;32m   1072\u001b[0m     \u001b[38;5;28mobject\u001b[39m\u001b[38;5;241m.\u001b[39m\u001b[38;5;21m__setattr__\u001b[39m(\u001b[38;5;28mself\u001b[39m, name, value)\n\u001b[1;32m   1073\u001b[0m     \u001b[38;5;28;01mreturn\u001b[39;00m\n\u001b[0;32m-> 1075\u001b[0m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43m__set\u001b[49m\u001b[43m(\u001b[49m\u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43m__get_attr\u001b[49m\u001b[43m(\u001b[49m\u001b[43mname\u001b[49m\u001b[43m)\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mvalue\u001b[49m\u001b[43m)\u001b[49m\n",
+      "File \u001b[0;32m~/projects/spdx-python-model/src/spdx_python_model/bindings/v3_0_1/model.py:1048\u001b[0m, in \u001b[0;36mSHACLObject.__set\u001b[0;34m(self, p, value)\u001b[0m\n\u001b[1;32m   1043\u001b[0m         \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;129;01mnot\u001b[39;00m is_blank_node(value) \u001b[38;5;129;01mand\u001b[39;00m \u001b[38;5;129;01mnot\u001b[39;00m is_IRI(value):\n\u001b[1;32m   1044\u001b[0m             \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mValueError\u001b[39;00m(\n\u001b[1;32m   1045\u001b[0m                 \u001b[38;5;124mf\u001b[39m\u001b[38;5;124m\"\u001b[39m\u001b[38;5;132;01m{\u001b[39;00m\u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m\u001b[38;5;18m__class__\u001b[39m\u001b[38;5;241m.\u001b[39m\u001b[38;5;18m__name__\u001b[39m\u001b[38;5;132;01m}\u001b[39;00m\u001b[38;5;124m (\u001b[39m\u001b[38;5;132;01m{\u001b[39;00m\u001b[38;5;28mid\u001b[39m(\u001b[38;5;28mself\u001b[39m)\u001b[38;5;132;01m}\u001b[39;00m\u001b[38;5;124m) Has invalid Property \u001b[39m\u001b[38;5;124m'\u001b[39m\u001b[38;5;132;01m{\u001b[39;00mp\u001b[38;5;241m.\u001b[39miri\u001b[38;5;132;01m}\u001b[39;00m\u001b[38;5;124m'\u001b[39m\u001b[38;5;124m \u001b[39m\u001b[38;5;132;01m{\u001b[39;00mvalue\u001b[38;5;132;01m!r}\u001b[39;00m\u001b[38;5;124m. Must be a blank node or IRI\u001b[39m\u001b[38;5;124m\"\u001b[39m\n\u001b[1;32m   1046\u001b[0m             )\n\u001b[0;32m-> 1048\u001b[0m \u001b[43mp\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mprop\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mvalidate\u001b[49m\u001b[43m(\u001b[49m\u001b[43mvalue\u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m   1049\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m p\u001b[38;5;241m.\u001b[39mdeprecated:\n\u001b[1;32m   1050\u001b[0m     warnings\u001b[38;5;241m.\u001b[39mwarn(\n\u001b[1;32m   1051\u001b[0m         \u001b[38;5;124mf\u001b[39m\u001b[38;5;124m\"\u001b[39m\u001b[38;5;132;01m{\u001b[39;00m\u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m\u001b[38;5;18m__class__\u001b[39m\u001b[38;5;241m.\u001b[39m\u001b[38;5;18m__name__\u001b[39m\u001b[38;5;132;01m}\u001b[39;00m\u001b[38;5;124m.\u001b[39m\u001b[38;5;132;01m{\u001b[39;00mp\u001b[38;5;241m.\u001b[39mpyname\u001b[38;5;132;01m}\u001b[39;00m\u001b[38;5;124m is deprecated\u001b[39m\u001b[38;5;124m\"\u001b[39m,\n\u001b[1;32m   1052\u001b[0m         \u001b[38;5;167;01mDeprecationWarning\u001b[39;00m,\n\u001b[1;32m   1053\u001b[0m     )\n",
+      "File \u001b[0;32m~/projects/spdx-python-model/src/spdx_python_model/bindings/v3_0_1/model.py:570\u001b[0m, in \u001b[0;36mListProp.validate\u001b[0;34m(self, value)\u001b[0m\n\u001b[1;32m    569\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m\u001b[38;5;250m \u001b[39m\u001b[38;5;21mvalidate\u001b[39m(\u001b[38;5;28mself\u001b[39m, value: Any) \u001b[38;5;241m-\u001b[39m\u001b[38;5;241m>\u001b[39m \u001b[38;5;28;01mNone\u001b[39;00m:\n\u001b[0;32m--> 570\u001b[0m     \u001b[38;5;28;43msuper\u001b[39;49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mvalidate\u001b[49m\u001b[43m(\u001b[49m\u001b[43mvalue\u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m    572\u001b[0m     \u001b[38;5;28;01mfor\u001b[39;00m i \u001b[38;5;129;01min\u001b[39;00m value:\n\u001b[1;32m    573\u001b[0m         \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mprop\u001b[38;5;241m.\u001b[39mvalidate(i)\n",
+      "File \u001b[0;32m~/projects/spdx-python-model/src/spdx_python_model/bindings/v3_0_1/model.py:78\u001b[0m, in \u001b[0;36mProperty.validate\u001b[0;34m(self, value)\u001b[0m\n\u001b[1;32m     77\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m\u001b[38;5;250m \u001b[39m\u001b[38;5;21mvalidate\u001b[39m(\u001b[38;5;28mself\u001b[39m, value: Any) \u001b[38;5;241m-\u001b[39m\u001b[38;5;241m>\u001b[39m \u001b[38;5;28;01mNone\u001b[39;00m:\n\u001b[0;32m---> 78\u001b[0m     \u001b[43mcheck_type\u001b[49m\u001b[43m(\u001b[49m\u001b[43mvalue\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mVALID_TYPES\u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m     79\u001b[0m     \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mpattern \u001b[38;5;129;01mis\u001b[39;00m \u001b[38;5;129;01mnot\u001b[39;00m \u001b[38;5;28;01mNone\u001b[39;00m \u001b[38;5;129;01mand\u001b[39;00m \u001b[38;5;129;01mnot\u001b[39;00m re\u001b[38;5;241m.\u001b[39msearch(\n\u001b[1;32m     80\u001b[0m         \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mpattern, \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mto_string(value)\n\u001b[1;32m     81\u001b[0m     ):\n\u001b[1;32m     82\u001b[0m         \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mValueError\u001b[39;00m(\n\u001b[1;32m     83\u001b[0m             \u001b[38;5;124mf\u001b[39m\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mValue is not correctly formatted. Got \u001b[39m\u001b[38;5;124m'\u001b[39m\u001b[38;5;132;01m{\u001b[39;00m\u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mto_string(value)\u001b[38;5;132;01m}\u001b[39;00m\u001b[38;5;124m'\u001b[39m\u001b[38;5;124m\"\u001b[39m\n\u001b[1;32m     84\u001b[0m         )\n",
+      "File \u001b[0;32m~/projects/spdx-python-model/src/spdx_python_model/bindings/v3_0_1/model.py:53\u001b[0m, in \u001b[0;36mcheck_type\u001b[0;34m(obj, types)\u001b[0m\n\u001b[1;32m     51\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;129;01mnot\u001b[39;00m \u001b[38;5;28misinstance\u001b[39m(obj, types):\n\u001b[1;32m     52\u001b[0m     \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28misinstance\u001b[39m(types, (\u001b[38;5;28mlist\u001b[39m, \u001b[38;5;28mtuple\u001b[39m)):\n\u001b[0;32m---> 53\u001b[0m         \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mTypeError\u001b[39;00m(\n\u001b[1;32m     54\u001b[0m             \u001b[38;5;124mf\u001b[39m\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mValue must be one of type: \u001b[39m\u001b[38;5;132;01m{\u001b[39;00m\u001b[38;5;124m'\u001b[39m\u001b[38;5;124m, \u001b[39m\u001b[38;5;124m'\u001b[39m\u001b[38;5;241m.\u001b[39mjoin(t\u001b[38;5;241m.\u001b[39m\u001b[38;5;18m__name__\u001b[39m\u001b[38;5;250m \u001b[39m\u001b[38;5;28;01mfor\u001b[39;00m\u001b[38;5;250m \u001b[39mt\u001b[38;5;250m \u001b[39m\u001b[38;5;129;01min\u001b[39;00m\u001b[38;5;250m \u001b[39mtypes)\u001b[38;5;132;01m}\u001b[39;00m\u001b[38;5;124m. Got \u001b[39m\u001b[38;5;132;01m{\u001b[39;00m\u001b[38;5;28mtype\u001b[39m(obj)\u001b[38;5;241m.\u001b[39m\u001b[38;5;18m__name__\u001b[39m\u001b[38;5;132;01m}\u001b[39;00m\u001b[38;5;124m\"\u001b[39m\n\u001b[1;32m     55\u001b[0m         )\n\u001b[1;32m     56\u001b[0m     \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mTypeError\u001b[39;00m(\n\u001b[1;32m     57\u001b[0m         \u001b[38;5;124mf\u001b[39m\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mValue must be of type \u001b[39m\u001b[38;5;132;01m{\u001b[39;00mtypes\u001b[38;5;241m.\u001b[39m\u001b[38;5;18m__name__\u001b[39m\u001b[38;5;132;01m}\u001b[39;00m\u001b[38;5;124m. Got \u001b[39m\u001b[38;5;132;01m{\u001b[39;00m\u001b[38;5;28mtype\u001b[39m(obj)\u001b[38;5;241m.\u001b[39m\u001b[38;5;18m__name__\u001b[39m\u001b[38;5;132;01m}\u001b[39;00m\u001b[38;5;124m\"\u001b[39m\n\u001b[1;32m     58\u001b[0m     )\n",
+      "\u001b[0;31mTypeError\u001b[0m: Value must be one of type: list, ListProxy. Got str"
      ]
     }
+   ],
+   "source": [
+    "package.ai_domain = \"nlp\""
    ]
   },
   {
    "cell_type": "markdown",
+   "metadata": {
+    "id": "WWdZwqP9EfnP"
+   },
    "source": [
     "Even if there is only a single entry, you must provide it as a single-element\n",
     "list to satisfy the property's cardinality:"
-   ],
-   "metadata": {
-    "id": "WWdZwqP9EfnP"
-   }
+   ]
   },
   {
    "cell_type": "code",
-   "source": [
-    "package.ai_domain = [\"nlp\"]\n",
-    "package.ai_domain"
-   ],
+   "execution_count": 19,
    "metadata": {
-    "id": "H6LeOd3_D8rQ",
-    "outputId": "b9977956-3c4e-4493-a1ef-369b845e0167",
     "colab": {
      "base_uri": "https://localhost:8080/"
-    }
+    },
+    "id": "H6LeOd3_D8rQ",
+    "outputId": "b9977956-3c4e-4493-a1ef-369b845e0167"
    },
-   "execution_count": 20,
    "outputs": [
     {
-     "output_type": "execute_result",
      "data": {
       "text/plain": [
        "['nlp']"
       ]
      },
+     "execution_count": 19,
      "metadata": {},
-     "execution_count": 20
+     "output_type": "execute_result"
     }
+   ],
+   "source": [
+    "package.ai_domain = [\"nlp\"]\n",
+    "package.ai_domain"
    ]
   },
   {
    "cell_type": "markdown",
+   "metadata": {
+    "id": "quqpF4E0E6fv"
+   },
    "source": [
     "Refer to the [SPDX specification][spdx-spec]\n",
     "for detailed information on property types and cardinality.\n",
     "\n",
     "[spdx-spec]: https://spdx.github.io/spdx-spec/"
-   ],
-   "metadata": {
-    "id": "quqpF4E0E6fv"
-   }
+   ]
   },
   {
    "cell_type": "markdown",
+   "metadata": {
+    "id": "lqg60qPeLaI3"
+   },
    "source": [
     "## That's it\n",
     "\n",
     "That's it for now! Hope you enjoyed the tutorial.\n",
     "\n",
-    "Special thanks to Joshua Watt for the spdx-python-model library, making SPDX 3 more accessible for Python developers.\n",
-    "\n",
     "Find more examples of how to use the library:\n",
     "\n",
     "- `spdx-python-model` tests: https://github.com/spdx/spdx-python-model/blob/main/tests/test_import.py\n",
     "- `shacl2code` (which generates spdx-python-model's Python binding) tests: https://github.com/JPEWdev/shacl2code/blob/main/tests/test_python.py\n",
     "\n",
-    "There are many ways to [get involved](https://github.com/spdx/spdx-3-model/blob/develop/Contributing.md) with the SPDX community. If you have questions about using SPDX, feel free to join one of our [online meetings](https://github.com/spdx/meetings/)!\n",
+    "There are many ways to [get involved](https://github.com/spdx/spdx-3-model/blob/develop/Contributing.md) with the SPDX community. If you have questions about using SPDX, feel free to join one of our [online meetings](https://github.com/spdx/meetings/)."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Change log\n",
     "\n",
-    "--\n",
+    "- Update: 24 June 2026 - update code to spdx-python-model 0.0.6; included as part of spdx-python-model documentation\n",
+    "- Update: 21 May 2026 - fix handling of unresolved references (spdxId) ([reported](https://github.com/spdx/spdx-python-model/issues/34) by [@vargenau] and suggested a fix by [@benjarobin] - thank you both!)\n",
+    "- Update: 23 February 2026 - add a section on SPDX object creation and validation\n",
+    "- First published: 7 July 2025 - as part of [@bact] Arthit Suriyawongkul's [Google Summer of Code 2025 program][gsoc-2025] contribution to [NTIA Conformance Checker][ntia-conformance-checker] (mentors: Gary O'Neall, John Speed Meyers, and Joshua Watt).\n",
     "\n",
-    "Check out my current project, *[Pitloom](https://github.com/bact/pitloom)*, an SBOM generator for Python projects and AI models. It extracts metadata from fastText, GGUF, ONNX, PyTorch, and Safetensors models, and builds SBOMs directly from Hugging Face URLs. It also includes native Hatchling build-hook support and works with setuptools and Poetry."
-   ],
-   "metadata": {
-    "id": "lqg60qPeLaI3"
-   }
+    "[@bact]: https://github.com/bact/\n",
+    "[@benjarobin]:  https://github.com/benjarobin\n",
+    "[@vargenau]: https://github.com/vargenau]\n",
+    "[ntia-conformance-checker]: https://github.com/spdx/ntia-conformance-checker\n",
+    "[gsoc-2025]: https://summerofcode.withgoogle.com/programs/2025/projects/CeR3hQTq"
+   ]
+  }
+ ],
+ "metadata": {
+  "colab": {
+   "authorship_tag": "ABX9TyOys2TFWeUKaj6M6TfFA+yY",
+   "include_colab_link": true,
+   "provenance": []
+  },
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.10.20"
   }
- ]
-}
\ No newline at end of file
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}