fix(owlgen): warn on single-child covering axiom equivalence

.github/workflows/main.yaml

@@ -41,7 +41,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest]
-        python-version: ["3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
         # Test on Windows with only the oldest and newest Python versions
         exclude:
           - os: windows-latest

.gitignore

@@ -126,4 +126,5 @@ examples/PersonSchema/rust/Cargo.lock
 # temporary ignore
 monorepo-cleanup.sh
 /tests/linkml/test_generators/__snapshots__/figs/class_event_local.svg
+/packages/linkml_runtime/linkml-model-github
 .worktrees/

docs/get-involved/Community-Meetings.md

@@ -28,7 +28,7 @@ Join the LinkML community for regular sessions featuring presentations on LinkML
 | Date | Presenter 1	| Topic 1	| Presenter 2	| Topic 2 |
 | :---: | :---: | :---: | :----: | :---: |
 | June 18, 2026 | Anh Nguyet Vu | Sage/Synapse's adoption of LinkML https://nf-osi.github.io/nf-metadata-dictionary/ | Corey Levinson | http://schema.oaedata.org/ |
-| May 21, 2026 | Inge Vejsbjerg | [LinkML for AI Governance at IBM](https://ibm.github.io/ai-atlas-nexus/) |Joshua Send|TypeDB and TypeQL| |
+| May 21, 2026 | Inge Vejsbjerg | [LinkML for AI Governance at IBM](https://ibm.github.io/ai-atlas-nexus/) |Joshua Send|Why TypeDB is the Natural Backend for LinkML| |
 | [April 16, 2026](https://docs.google.com/presentation/d/1d2AjM9TBESO6njMXBB-lw5A6WDIFMBb14ZhCRKN2GiY/edit?slide=id.g36e69bd970c_1_50#slide=id.g36e69bd970c_1_50) | Daniel Kapitan| [Introducing PLUGIN and why we fell in love with LinkML](https://docs.google.com/presentation/d/1KqwKnq-f4JsSwHVRtCXZrwqBI7JIP1aqbUqlO7iEjd0/edit?slide=id.p1#slide=id.p1)| Community Discussion Topics| RareLink/REDCap + LinkML with Adam Graefe | |
 | [March 19, 2026](https://docs.google.com/presentation/d/13gQtrlTJcF3V8XzW4ruva9_D1tzyp8ZzDLATp2TuuMY/edit?slide=id.g36e69bd970c_1_50#slide=id.g36e69bd970c_1_50)| Damien Goutte-Gattat | [linkml-java](https://github.com/gouttegd/linkml-java): a LinkML runtime library for the Java language ([Slides](https://drive.google.com/file/d/1-hXJo9FFmIvpERrKNJjb_-tTO_6354cM/view?usp=sharing))| Chris Mungall| Validating dynamic value sets with [linkml-term-validator](https://github.com/linkml/linkml-term-validator) ([Slides](https://docs.google.com/presentation/d/1lhdDImxBQDaj8yFgpRYF_pnCTNDVn3Ilkb_pHfoR7Po/edit?slide=id.p#slide=id.p))|
 | [February 19, 2026](https://docs.google.com/presentation/d/1Wa_vX8JhLeA_5b7dsRDDoWAA7uTG9fsiH0nMYjxjSz0/edit?slide=id.g36e69bd970c_1_50#slide=id.g36e69bd970c_1_50) | David Linke | [The new LinkML project template based on copier and why we built it](https://zenodo.org/records/18704589) <br> Repo: [linkml-project-copier](https://github.com/linkml/linkml-project-copier) | Nico Matentzoglu | [The LinkML Community Governance & Community Discussion](https://drive.google.com/file/d/1s2Fslc2pN6ig2-TDkdtzjtBKa5z1oFqC/view?usp=sharing) |

examples/tutorial/tutorial01/data.ttl

@@ -1,7 +1,38 @@
 @prefix personinfo: <https://w3id.org/linkml/examples/personinfo> .
-
-[] a personinfo:Person ;
-    personinfo:age "32" ;
-    personinfo:full_name "Clark Kent" ;
-    personinfo:id "ORCID:1234" ;
-    personinfo:phone "555-555-5555" .
+@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
+@prefix wgs: <https://www.w3.org/2003/01/geo/wgs84_pos#> .
+@prefix geo: <http://www.opengis.net/ont/geosparql#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix brick: <https://brickschema.org/schema/Brick#> .
+@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
+@prefix xml: <http://www.w3.org/XML/1998/namespace> .
+@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
+@prefix qb: <http://purl.org/linked-data/cube#> .
+@prefix dc: <http://purl.org/dc/elements/1.1/> .
+@prefix owl: <http://www.w3.org/2002/07/owl#> .
+@prefix doap: <http://usefulinc.com/ns/doap#> .
+@prefix prof: <http://www.w3.org/ns/dx/prof/> .
+@prefix dcmitype: <http://purl.org/dc/dcmitype/> .
+@prefix odrl: <http://www.w3.org/ns/odrl/2/> .
+@prefix time: <http://www.w3.org/2006/time#> .
+@prefix vann: <http://purl.org/vocab/vann/> .
+@prefix sh: <http://www.w3.org/ns/shacl#> .
+@prefix csvw: <http://www.w3.org/ns/csvw#> .
+@prefix shex: <http://www.w3.org/ns/shex#> .
+@prefix dcat: <http://www.w3.org/ns/dcat#> .
+@prefix sosa: <http://www.w3.org/ns/sosa/> .
+@prefix foaf: <http://xmlns.com/foaf/0.1/> .
+@prefix prov: <http://www.w3.org/ns/prov#> .
+@prefix org: <http://www.w3.org/ns/org#> .
+@prefix ssn: <http://www.w3.org/ns/ssn/> .
+@prefix dcterms: <http://purl.org/dc/terms/> .
+@prefix dcam: <http://purl.org/dc/dcam/> .
+@prefix void: <http://rdfs.org/ns/void#> .
+@prefix linkml: <https://w3id.org/linkml/> .
+@prefix schema: <https://schema.org/> .
+@prefix schema1: <http://schema.org/> .
+_:c14n0 a personinfo:Person ;
+	personinfo:age "32" ;
+	personinfo:full_name "Clark Kent" ;
+	personinfo:id "ORCID:1234" ;
+	personinfo:phone "555-555-5555" .

examples/tutorial/tutorial04/data-semantic.ttl

@@ -1,17 +1,47 @@
-@prefix ORCID: <https://orcid.org/> .
+@prefix oboInOwl: <http://www.geneontology.org/formats/oboInOwl#> .
 @prefix personinfo: <https://w3id.org/linkml/examples/personinfo/> .
-@prefix schema1: <http://schema.org/> .
+@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
+@prefix wgs: <https://www.w3.org/2003/01/geo/wgs84_pos#> .
+@prefix faldo: <http://biohackathon.org/resource/faldo#> .
+@prefix brick: <https://brickschema.org/schema/Brick#> .
+@prefix geo: <http://www.opengis.net/ont/geosparql#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
+@prefix xml: <http://www.w3.org/XML/1998/namespace> .
+@prefix qb: <http://purl.org/linked-data/cube#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-
-ORCID:1234 a schema1:Person ;
-    schema1:name "Clark Kent" ;
-    schema1:telephone "555-555-5555" ;
-    personinfo:age 33 .
-
-ORCID:4567 a schema1:Person ;
-    schema1:name "Lois Lane" ;
-    personinfo:age 34 .
-
-[] a personinfo:Container ;
-    personinfo:persons ORCID:1234,
-        ORCID:4567 .
+@prefix dc: <http://purl.org/dc/elements/1.1/> .
+@prefix owl: <http://www.w3.org/2002/07/owl#> .
+@prefix doap: <http://usefulinc.com/ns/doap#> .
+@prefix prof: <http://www.w3.org/ns/dx/prof/> .
+@prefix dcmitype: <http://purl.org/dc/dcmitype/> .
+@prefix odrl: <http://www.w3.org/ns/odrl/2/> .
+@prefix time: <http://www.w3.org/2006/time#> .
+@prefix sh: <http://www.w3.org/ns/shacl#> .
+@prefix vann: <http://purl.org/vocab/vann/> .
+@prefix shex: <http://www.w3.org/ns/shex#> .
+@prefix sosa: <http://www.w3.org/ns/sosa/> .
+@prefix dcat: <http://www.w3.org/ns/dcat#> .
+@prefix foaf: <http://xmlns.com/foaf/0.1/> .
+@prefix csvw: <http://www.w3.org/ns/csvw#> .
+@prefix prov: <http://www.w3.org/ns/prov#> .
+@prefix dcterms: <http://purl.org/dc/terms/> .
+@prefix ssn: <http://www.w3.org/ns/ssn/> .
+@prefix org: <http://www.w3.org/ns/org#> .
+@prefix linkml: <https://w3id.org/linkml/> .
+@prefix oa: <http://www.w3.org/ns/oa#> .
+@prefix dcam: <http://purl.org/dc/dcam/> .
+@prefix void: <http://rdfs.org/ns/void#> .
+@prefix idot: <http://identifiers.org/> .
+@prefix schema: <https://schema.org/> .
+@prefix schema1: <http://schema.org/> .
+@prefix ORCID: <https://orcid.org/> .
+ORCID:1234 schema1:name "Clark Kent" ;
+	schema1:telephone "555-555-5555" ;
+	a schema1:Person ;
+	personinfo:age 33 .
+ORCID:4567 schema1:name "Lois Lane" ;
+	a schema1:Person ;
+	personinfo:age 34 .
+_:c14n0 a personinfo:Container ;
+	personinfo:persons ORCID:1234 , ORCID:4567 .

examples/tutorial/tutorial04/data.ttl

@@ -1,16 +1,47 @@
-@prefix ORCID: <https://orcid.org/> .
+@prefix oboInOwl: <http://www.geneontology.org/formats/oboInOwl#> .
 @prefix personinfo: <https://w3id.org/linkml/examples/personinfo/> .
+@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
+@prefix wgs: <https://www.w3.org/2003/01/geo/wgs84_pos#> .
+@prefix faldo: <http://biohackathon.org/resource/faldo#> .
+@prefix brick: <https://brickschema.org/schema/Brick#> .
+@prefix geo: <http://www.opengis.net/ont/geosparql#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
+@prefix xml: <http://www.w3.org/XML/1998/namespace> .
+@prefix qb: <http://purl.org/linked-data/cube#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-
+@prefix dc: <http://purl.org/dc/elements/1.1/> .
+@prefix owl: <http://www.w3.org/2002/07/owl#> .
+@prefix doap: <http://usefulinc.com/ns/doap#> .
+@prefix prof: <http://www.w3.org/ns/dx/prof/> .
+@prefix dcmitype: <http://purl.org/dc/dcmitype/> .
+@prefix odrl: <http://www.w3.org/ns/odrl/2/> .
+@prefix time: <http://www.w3.org/2006/time#> .
+@prefix sh: <http://www.w3.org/ns/shacl#> .
+@prefix vann: <http://purl.org/vocab/vann/> .
+@prefix shex: <http://www.w3.org/ns/shex#> .
+@prefix sosa: <http://www.w3.org/ns/sosa/> .
+@prefix dcat: <http://www.w3.org/ns/dcat#> .
+@prefix foaf: <http://xmlns.com/foaf/0.1/> .
+@prefix csvw: <http://www.w3.org/ns/csvw#> .
+@prefix prov: <http://www.w3.org/ns/prov#> .
+@prefix dcterms: <http://purl.org/dc/terms/> .
+@prefix ssn: <http://www.w3.org/ns/ssn/> .
+@prefix org: <http://www.w3.org/ns/org#> .
+@prefix linkml: <https://w3id.org/linkml/> .
+@prefix oa: <http://www.w3.org/ns/oa#> .
+@prefix dcam: <http://purl.org/dc/dcam/> .
+@prefix void: <http://rdfs.org/ns/void#> .
+@prefix idot: <http://identifiers.org/> .
+@prefix schema: <https://schema.org/> .
+@prefix schema1: <http://schema.org/> .
+@prefix ORCID: <https://orcid.org/> .
 ORCID:1234 a personinfo:Person ;
-    personinfo:age 33 ;
-    personinfo:full_name "Clark Kent" ;
-    personinfo:phone "555-555-5555" .
-
+	personinfo:age 33 ;
+	personinfo:full_name "Clark Kent" ;
+	personinfo:phone "555-555-5555" .
 ORCID:4567 a personinfo:Person ;
-    personinfo:age 34 ;
-    personinfo:full_name "Lois Lane" .
-
-[] a personinfo:Container ;
-    personinfo:persons ORCID:1234,
-        ORCID:4567 .
+	personinfo:age 34 ;
+	personinfo:full_name "Lois Lane" .
+_:c14n0 a personinfo:Container ;
+	personinfo:persons ORCID:1234 , ORCID:4567 .

examples/tutorial/tutorial04/personinfo-semantic.shacl.ttl

@@ -1,39 +1,81 @@
 @prefix personinfo: <https://w3id.org/linkml/examples/personinfo/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
-@prefix schema1: <http://schema.org/> .
-@prefix sh: <http://www.w3.org/ns/shacl#> .
+@prefix wgs: <https://www.w3.org/2003/01/geo/wgs84_pos#> .
+@prefix brick: <https://brickschema.org/schema/Brick#> .
+@prefix geo: <http://www.opengis.net/ont/geosparql#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
+@prefix xml: <http://www.w3.org/XML/1998/namespace> .
+@prefix qb: <http://purl.org/linked-data/cube#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-
-personinfo:Container a sh:NodeShape ;
-    sh:closed true ;
-    sh:ignoredProperties ( rdf:type ) ;
-    sh:property [ sh:class schema1:Person ;
-            sh:nodeKind sh:IRI ;
-            sh:order 0 ;
-            sh:path personinfo:persons ] ;
-    sh:targetClass personinfo:Container .
-
+@prefix dc: <http://purl.org/dc/elements/1.1/> .
+@prefix owl: <http://www.w3.org/2002/07/owl#> .
+@prefix doap: <http://usefulinc.com/ns/doap#> .
+@prefix prof: <http://www.w3.org/ns/dx/prof/> .
+@prefix dcmitype: <http://purl.org/dc/dcmitype/> .
+@prefix odrl: <http://www.w3.org/ns/odrl/2/> .
+@prefix time: <http://www.w3.org/2006/time#> .
+@prefix vann: <http://purl.org/vocab/vann/> .
+@prefix sh: <http://www.w3.org/ns/shacl#> .
+@prefix dcat: <http://www.w3.org/ns/dcat#> .
+@prefix csvw: <http://www.w3.org/ns/csvw#> .
+@prefix sosa: <http://www.w3.org/ns/sosa/> .
+@prefix foaf: <http://xmlns.com/foaf/0.1/> .
+@prefix prov: <http://www.w3.org/ns/prov#> .
+@prefix org: <http://www.w3.org/ns/org#> .
+@prefix ssn: <http://www.w3.org/ns/ssn/> .
+@prefix dcterms: <http://purl.org/dc/terms/> .
+@prefix linkml: <https://w3id.org/linkml/> .
+@prefix void: <http://rdfs.org/ns/void#> .
+@prefix dcam: <http://purl.org/dc/dcam/> .
+@prefix schema: <https://schema.org/> .
+@prefix schema1: <http://schema.org/> .
+@prefix ORCID: <https://orcid.org/> .
 schema1:Person a sh:NodeShape ;
-    sh:closed true ;
-    sh:ignoredProperties ( rdf:type ) ;
-    sh:property [ sh:maxCount 1 ;
-            sh:maxInclusive 200 ;
-            sh:minInclusive 0 ;
-            sh:order 4 ;
-            sh:path personinfo:age ],
-        [ sh:description "name of the person" ;
-            sh:maxCount 1 ;
-            sh:minCount 1 ;
-            sh:order 1 ;
-            sh:path schema1:name ],
-        [ sh:maxCount 1 ;
-            sh:order 0 ;
-            sh:path personinfo:id ],
-        [ sh:description "other names for the person" ;
-            sh:order 2 ;
-            sh:path personinfo:aliases ],
-        [ sh:maxCount 1 ;
-            sh:order 3 ;
-            sh:path schema1:telephone ;
-            sh:pattern "^[\\d\\(\\)\\-]+$" ] ;
-    sh:targetClass schema1:Person .
+	sh:closed true ;
+	sh:ignoredProperties _:c14n7 ;
+	sh:property _:c14n0 , _:c14n2 , _:c14n3 , _:c14n4 , _:c14n6 ;
+	sh:targetClass schema1:Person .
+personinfo:Container a sh:NodeShape ;
+	sh:closed true ;
+	sh:ignoredProperties _:c14n1 ;
+	sh:property _:c14n5 ;
+	sh:targetClass personinfo:Container .
+_:c14n0 sh:datatype xsd:string ;
+	sh:description "name of the person" ;
+	sh:maxCount 1 ;
+	sh:minCount 1 ;
+	sh:nodeKind sh:Literal ;
+	sh:order 1 ;
+	sh:path schema1:name .
+_:c14n1 rdf:first rdf:type ;
+	rdf:rest rdf:nil .
+_:c14n2 sh:datatype xsd:string ;
+	sh:maxCount 1 ;
+	sh:nodeKind sh:Literal ;
+	sh:order 0 ;
+	sh:path personinfo:id .
+_:c14n3 sh:datatype xsd:integer ;
+	sh:maxCount 1 ;
+	sh:maxInclusive 200 ;
+	sh:minInclusive 0 ;
+	sh:nodeKind sh:Literal ;
+	sh:order 4 ;
+	sh:path personinfo:age .
+_:c14n4 sh:datatype xsd:string ;
+	sh:maxCount 1 ;
+	sh:nodeKind sh:Literal ;
+	sh:order 3 ;
+	sh:path schema1:telephone ;
+	sh:pattern "^[\\d\\(\\)\\-]+$" .
+_:c14n5 sh:class schema1:Person ;
+	sh:nodeKind sh:IRI ;
+	sh:order 0 ;
+	sh:path personinfo:persons .
+_:c14n6 sh:datatype xsd:string ;
+	sh:description "other names for the person" ;
+	sh:nodeKind sh:Literal ;
+	sh:order 2 ;
+	sh:path personinfo:aliases .
+_:c14n7 rdf:first rdf:type ;
+	rdf:rest rdf:nil .