From 54c2cee1d91a8d34fc4a45215593bb9a2a53f6e8 Mon Sep 17 00:00:00 2001 From: Vladimir Alexiev Date: Wed, 23 Oct 2024 20:01:23 +0300 Subject: [PATCH 1/5] - reordered SHACL implementations by lang - added maplib - added ShEx Primers and Test suite - small typographic changes --- README.md | 107 +++++++++++++++++++++++++++--------------------------- 1 file changed, 53 insertions(+), 54 deletions(-) diff --git a/README.md b/README.md index 426aa89..ffc29cc 100644 --- a/README.md +++ b/README.md @@ -30,70 +30,71 @@ Semantic shapes are frequently described using the SHACL or ShEx language. ## SHACL Validators -- [Apache Jena SHACL](https://github.com/apache/jena/tree/main/jena-shacl) Maven Central Version Maven Central Last Update - Supports SHACL Core, SHACL-SPARQL; [docs](https://jena.apache.org/documentation/shacl/index.html); `Apache-2.0` license; `Java`. -- [RDF4J SHACL Engine](https://github.com/eclipse-rdf4j/rdf4j/tree/main/core/sail/shacl) Maven Central Version Maven Central Last Update - Supports SHACL Core (without some property paths), SHACL-SPARQL, incremental validation; [docs](https://rdf4j.org/documentation/programming/shacl/); `BSD-3-Clause` license; `Java`. -- [rdf-validate-shacl](https://github.com/zazuko/rdf-validate-shacl) NPM Version GitHub Release Date - Supports SHACL Core; pure JavaScript validator on top of the [RDFJS](https://rdf.js.org/) stack; `MIT` license; `JavaScript`. - - [playground](https://zazuko.github.io/shacl-playground) - Browser-based testbed. -- [SHACL for Ruby](https://github.com/ruby-rdf/shacl) Gem Version GitHub last commit - A pure-Ruby library for working with the Shape Constraint Language to validate the shape of RDF graphs; `BSD-3-Clause` license; `Ruby`. -- [shacl-engine](https://github.com/rdf-ext/shacl-engine) NPM Version GitHub last commit - Supports SHACL Core, SHACL-SPARQL; A fast engine for data provided as [RDF/JS](http://rdf.js.org/data-model-spec/) objects; `MIT` license; `JavaScript`. - - [playground](https://playground.rdf-ext.org/shacl/) - Browser-based testbed. - - [rdf-ext-cli](https://github.com/rdf-ext/rdf-ext-cli) - The command line tool provides a validation feature based on shacl-engine. Data and shapes can be given as file, URL, or SPARQL endpoint + query. -- [TopBraid SHACL API](https://github.com/TopQuadrant/shacl) Maven Central Version Maven Central Last Update - Supports SHACL Core, SHACL-SPARQL, SHACL rules; based on Jena; `BSD-3-Clause` license; `Java`. - - [RDF validator](https://www.itb.ec.europa.eu/shacl/any/upload) - The EU Interoperability Test Bed (ITB) playground based on TQ API; validate any RDF with SHACL Shapes. - - [SHACL shapes validator](https://www.itb.ec.europa.eu/shacl/shacl/upload) - The EU Interoperability Test Bed (ITB) playgrounds based on TQ API; validate SHACL Shapes itself. - - [Sparna SHACL playground](https://shacl-play.sparna.fr/play/) - Free online suite of tools from Sparna to work with SHACL; based on TQ API. -- [TopBraid SHACL API Extended](https://github.com/SHACL-X/shacl-x) GitHub Release GitHub Release Date - Fork of TopBraid SHACL API + added SHACL-JS based on GraalVM Polyglot; [docs](https://shacl-x.github.io/docs/); `BSD-3-Clause` license; `Java`. +- [Apache Jena SHACL](https://github.com/apache/jena/tree/main/jena-shacl) Maven Central Version Maven Central Last Update: Supports SHACL Core, SHACL-SPARQL; [docs](https://jena.apache.org/documentation/shacl/index.html); `Apache-2.0` license; `Java`. +- [RDF4J SHACL Engine](https://github.com/eclipse-rdf4j/rdf4j/tree/main/core/sail/shacl) Maven Central Version Maven Central Last Update: Supports SHACL Core (without some property paths), SHACL-SPARQL, incremental validation; [docs](https://rdf4j.org/documentation/programming/shacl/); `BSD-3-Clause` license; `Java`. +- [TopBraid SHACL API](https://github.com/TopQuadrant/shacl) Maven Central Version Maven Central Last Update: Supports SHACL Core, SHACL-SPARQL, SHACL rules; based on Jena; `BSD-3-Clause` license; `Java`. + - [RDF validator](https://www.itb.ec.europa.eu/shacl/any/upload): The EU Interoperability Test Bed (ITB) playground based on TQ API; validate any RDF with SHACL Shapes. + - [SHACL shapes validator](https://www.itb.ec.europa.eu/shacl/shacl/upload): The EU Interoperability Test Bed (ITB) playgrounds based on TQ API; validate SHACL Shapes itself. + - [Sparna SHACL playground](https://shacl-play.sparna.fr/play/): Free online suite of tools from Sparna to work with SHACL; based on TQ API. +- [TopBraid SHACL API Extended](https://github.com/SHACL-X/shacl-x) GitHub Release GitHub Release Date: Fork of TopBraid SHACL API + added SHACL-JS based on GraalVM Polyglot; [docs](https://shacl-x.github.io/docs/); `BSD-3-Clause` license; `Java`. +- [rdf-validate-shacl](https://github.com/zazuko/rdf-validate-shacl) NPM Version GitHub Release Date: Supports SHACL Core; pure JavaScript validator on top of the [RDFJS](https://rdf.js.org/) stack; `MIT` license; `JavaScript`. + - [playground](https://zazuko.github.io/shacl-playground): Browser-based testbed. +- [shacl-engine](https://github.com/rdf-ext/shacl-engine) NPM Version GitHub last commit: Supports SHACL Core, SHACL-SPARQL; A fast engine for data provided as [RDF/JS](http://rdf.js.org/data-model-spec/) objects; `MIT` license; `JavaScript`. + - [playground](https://playground.rdf-ext.org/shacl/): Browser-based testbed. + - [rdf-ext-cli](https://github.com/rdf-ext/rdf-ext-cli): command line tool for validation. Data and shapes can be given as file, URL, or SPARQL endpoint + query. +- [SHACL for Ruby](https://github.com/ruby-rdf/shacl) Gem Version GitHub last commit: A pure-Ruby library for working with the Shape Constraint Language to validate the shape of RDF graphs; `BSD-3-Clause` license; `Ruby`. +- [maplib](https://github.com/DataTreehouse/maplib) : High-performance RDF knowledge graph construction, SHACL validation and SPARQL-based enrichment. `Apache-2.0` license. `Rust, Python`. ## ShEx Validators -- [Apache Jena ShEx](https://github.com/apache/jena/tree/main/jena-shex) Maven Central Version Maven Central Last Update - Supports ShEx, ShExC; not supported semantic actions, EXTERNAL; [docs](https://jena.apache.org/documentation/shex/); `Apache-2.0` license; `Java`. -- [shexSpec/shex.js](https://github.com/shexjs/shex.js) NPM Version GitHub last commit - JavaScript implementation of Shape Expressions; `MIT` license; `JavaScript`. - - [playground](http://rawgit.com/shexSpec/shex.js/master/doc/shex-simple.html) - Browser-based testbed. -- [ShEx-validator](https://github.com/HW-SWeL/ShEx-validator) GitHub last commit ☠️ - A standalone Node module with a command line interface; `MIT` license; `JavaScript`. -- [Validata](https://github.com/HW-SWeL/Validata) GitHub last commit - An intuitive, standalone web-based tool to help building RDF documents by validating against preset schemas written in the ShEx language; `MIT` license; `JavaScript`. - - [playground1](http://hw-swel.github.io/Validata/) - - [playground2](https://www.w3.org/2015/03/ShExValidata/) +- [Apache Jena ShEx](https://github.com/apache/jena/tree/main/jena-shex) Maven Central Version Maven Central Last Update: Supports ShEx, ShExC; not supported semantic actions, EXTERNAL; [docs](https://jena.apache.org/documentation/shex/); `Apache-2.0` license; `Java`. +- [shexSpec/shex.js](https://github.com/shexjs/shex.js) NPM Version GitHub last commit: JavaScript implementation of Shape Expressions; `MIT` license; `JavaScript`. + - [playground](http://rawgit.com/shexSpec/shex.js/master/doc/shex-simple.html): Browser-based testbed. +- [ShEx-validator](https://github.com/HW-SWeL/ShEx-validator) GitHub last commit Standalone Node module with a command line interface; `MIT` license; `JavaScript`. Built on top of [ShExDemo](https://github.com/ericprud/ShExDemo) + - [Validata](https://github.com/HW-SWeL/Validata) GitHub last commit: Web-based UI to validate RDF against ShEx schemas; `MIT` license; `JavaScript`. + - [playground1](http://hw-swel.github.io/Validata/) (HW-SWeL) + - [playground2](https://www.w3.org/2015/03/ShExValidata/) (W3C) ## Shapes Discovery Tools -- [RDFminer](https://github.com/Wimmics/RDFminer) - Web application to automatically discover SHACL shapes representative of an RDF data graph, by Wimmics; `CECILL-C` license; `Java`. -- [SHACL Discovery Service](https://github.com/AKSW/discover-shacl-shapes) - Example implementation of a discovery service for SHACL shapes/shape groups; `MIT` license; `PHP`. -- [Shapes of You index](https://index.semanticscience.org/) - SPARQL queries, OWL/SKOS vocabularies, SHACL/ShEx shapes, indexed from public `git` repositories; `MIT` license; `Typescript`, `Python`. +- [RDFminer](https://github.com/Wimmics/RDFminer): Web application to automatically discover SHACL shapes representative of an RDF data graph, by Wimmics; `CECILL-C` license; `Java`. +- [SHACL Discovery Service](https://github.com/AKSW/discover-shacl-shapes): Example implementation of a discovery service for SHACL shapes/shape groups; `MIT` license; `PHP`. +- [Shapes of You index](https://index.semanticscience.org/): SPARQL queries, OWL/SKOS vocabularies, SHACL/ShEx shapes, indexed from public `git` repositories; `MIT` license; `Typescript`, `Python`. ## Shapes Collections -- [schema.org Shapes](http://datashapes.org/schema) - Schema.org, converted to SHACL by TopQuadrant. +- [schema.org Shapes](http://datashapes.org/schema): Schema.org, converted to SHACL by TopQuadrant. ## Shape Conversion Tools -- [ShacShifter](https://github.com/AKSW/ShacShifter) GitHub last commit ☠️ - Shape shifter from SHACL to other formats (currently RDForms); `GPL-3.0` license; `Python`. -- [SHACL To JSON Schema](https://github.com/comake/shacl-to-json-schema) NPM Version GitHub last commit - TS, SHACL-to-JSON-Schema translator; `Typescript`. +- [ShacShifter](https://github.com/AKSW/ShacShifter) GitHub last commit ☠️: Shape shifter from SHACL to other formats (currently RDForms); `GPL-3.0` license; `Python`. +- [SHACL To JSON Schema](https://github.com/comake/shacl-to-json-schema) NPM Version GitHub last commit: TS, SHACL-to-JSON-Schema translator; `Typescript`. ## Shape Generators -- [owl2shacl](https://github.com/sparna-git/owl2shacl) - OWL-to-SHACL conversion rules. +- [owl2shacl](https://github.com/sparna-git/owl2shacl): OWL-to-SHACL conversion rules. ## Shape-based Query Generators -- [shape-to-query](https://github.com/hypermedia-app/shape-to-query) NPM Version GitHub Release Date - Generate SPARQL queries from SHACL Shapes; [docs](https://shape-to-query.hypermedia.app/docs); `MIT` license; `Typescript`. +- [shape-to-query](https://github.com/hypermedia-app/shape-to-query) NPM Version GitHub Release Date: Generate SPARQL queries from SHACL Shapes; [docs](https://shape-to-query.hypermedia.app/docs); `MIT` license; `Typescript`. - [playground](https://shape-to-query.hypermedia.app) ## Shape Editors, Visualizations -- [Allotrope Shape Editor](https://gitlab.com/allotrope-open-source/allotrope-devops/-/wikis/shacl-shape-editor) - The Shape Editor supports editing of shacl and shaclc files; `Apache-2.0` license; `Java`. +- [Allotrope Shape Editor](https://gitlab.com/allotrope-open-source/allotrope-devops/-/wikis/shacl-shape-editor): The Shape Editor supports editing of shacl and shaclc files; `Apache-2.0` license; `Java`. ## Declarative UIs Data viewers/Editors based on shapes. -- [shaperone](https://github.com/hypermedia-app/shaperone) NPM Version GitHub Release Date - SHACL Shapes Form generator; [docs](https://forms.hypermedia.app); `MIT` license; `Typescript`. +- [shaperone](https://github.com/hypermedia-app/shaperone) NPM Version GitHub Release Date: SHACL Shapes Form generator; [docs](https://forms.hypermedia.app); `MIT` license; `Typescript`. - [playground](https://forms.hypermedia.app/playground) ## IDE support -- [Linked Data Extension](https://marketplace.visualstudio.com/items?itemName=Elsevier.linked-data) - VS Code Extension for editing RDF files with embedded SHACL validator and SPARQL engine. -- [SHACL Language Server](https://marketplace.visualstudio.com/items?itemName=stardog-union.vscode-langserver-shacl) - A VS Code extension providing language intelligence (diagnostics, hover tooltips, auto-completion, etc.) for W3C standard SHACL via the Language Server Protocol. -- [Mentor RDF for VS Code](https://marketplace.visualstudio.com/items?itemName=faubulous.mentor) - Code editing support for RDF, RDFS, OWL, SKOS, SHACL and SPARQL. +- [Linked Data Extension](https://marketplace.visualstudio.com/items?itemName=Elsevier.linked-data): VS Code Extension for editing RDF files with embedded SHACL validator and SPARQL engine. +- [SHACL Language Server](https://marketplace.visualstudio.com/items?itemName=stardog-union.vscode-langserver-shacl): A VS Code extension providing language intelligence (diagnostics, hover tooltips, auto-completion, etc.) for W3C standard SHACL via the Language Server Protocol. +- [Mentor RDF for VS Code](https://marketplace.visualstudio.com/items?itemName=faubulous.mentor): Code editing support for RDF, RDFS, OWL, SKOS, SHACL and SPARQL. ## Books @@ -101,25 +102,23 @@ Data viewers/Editors based on shapes. ## Tutorials -- [Shapes applications and tools - ISWC'20 Tutorial](https://www.validatingrdf.com/tutorial/iswc2020/) +- [Shapes applications and tools: ISWC'20 Tutorial](https://www.validatingrdf.com/tutorial/iswc2020/) -## Talks +## Talks and Presentations -- [The Many Shapes of SHACL by Holger Knublauch](https://www.youtube.com/watch?v=ccs-KhnWR1U) - LOTICO Talk, 18 Jun 2020. -- [One Ontology, One Data Set, Multiple Shapes with SHACL by Tara Raafat](https://www.youtube.com/watch?v=apG5K3zc4V0) - Connected Data London, 2019. -- [An Overview of SHACL Shapes Constraint Language - Part 2](https://www.youtube.com/watch?v=TSDplfqw8rM) - TopQuadrant, 2017. -- [An Overview of SHACL Shapes Constraint Language](https://www.youtube.com/watch?v=_i3zTeMyRzU) - TopQuadrant, 2017. - -## Presentations +- [The Many Shapes of SHACL by Holger Knublauch](https://www.youtube.com/watch?v=ccs-KhnWR1U): LOTICO Talk, 18 Jun 2020. +- [One Ontology, One Data Set, Multiple Shapes with SHACL by Tara Raafat](https://www.youtube.com/watch?v=apG5K3zc4V0): Connected Data London, 2019. +- [An Overview of SHACL Shapes Constraint Language: Part 2](https://www.youtube.com/watch?v=TSDplfqw8rM): TopQuadrant, 2017. +- [An Overview of SHACL Shapes Constraint Language](https://www.youtube.com/watch?v=_i3zTeMyRzU): TopQuadrant, 2017. ## Specifications - SHACL, W3C Recommendations & Notes - - [Shapes Constraint Language (SHACL)](https://www.w3.org/TR/shacl/) - W3C Recommendation, 20 July 2017. - - [SHACL Advanced Features](https://www.w3.org/TR/shacl-af/) - W3C Working Group Note, 08 June 2017. - - [SHACL JavaScript Extensions](https://www.w3.org/TR/shacl-js/) - W3C Working Group Note, 08 June 2017. - - [SHACL Test Suite and Implementation Report](https://w3c.github.io/data-shapes/data-shapes-test-suite/) - W3C Document 01 July 2019. - - [SHACL Use Cases and Requirements](https://www.w3.org/TR/shacl-ucr/) - W3C Working Group Note 20 July 2017. + - [Shapes Constraint Language (SHACL)](https://www.w3.org/TR/shacl/): W3C Recommendation, 20 July 2017. + - [SHACL Advanced Features](https://www.w3.org/TR/shacl-af/): W3C Working Group Note, 08 June 2017. + - [SHACL JavaScript Extensions](https://www.w3.org/TR/shacl-js/): W3C Working Group Note, 08 June 2017. + - [SHACL Test Suite and Implementation Report](https://w3c.github.io/data-shapes/data-shapes-test-suite/): W3C Document 01 July 2019. + - [SHACL Use Cases and Requirements](https://www.w3.org/TR/shacl-ucr/): W3C Working Group Note 20 July 2017. - SHACL, Community Group Latest Drafts & Notes - [SHACL 1.2 Core](https://w3c.github.io/shacl/shacl-core/) @@ -130,15 +129,15 @@ Data viewers/Editors based on shapes. - SHACL-related specifications - [The Shape Topologies algorithm](https://treecg.github.io/specification/shape-topologies) - - [DASH Data Shapes](https://www.datashapes.org/) - Platform-independent extensions of SHACL for common tasks. Stuff that could become an official standard in the future. + - [DASH Data Shapes](https://www.datashapes.org/): Platform-independent extensions of SHACL for common tasks. Stuff that could become an official standard in the future. - ShEx - - [Shape Expressions Language 2.1](https://shex.io/shex-semantics/index.html) - Final Community Group Report 8 October 2019. - -- ShEx, Drafts - - [P3330TM/D3 Draft Recommended Practice for Standard for Shape Expression Schemas](https://shexspec.github.io/spec/) + - [Shape Expressions Language 2.1](https://shex.io/shex-semantics/index.html): Final Community Group Report, 8 October 2019 + - [ShEx Primer](https://shexspec.github.io/primer/index.html): Draft Community Group Report, 7 December 2022 + - [ShEx Text Suite](https://github.com/shexSpec/shexTest), [website](https://shexspec.github.io/shexTest/). Version `next@1.0.2`, last release 5 October 2018 + - [Recommended Practice for Standard for Shape Expression Schemas](https://shexspec.github.io/spec/), IEEE Computer Society P3330/D3, Draft, 9 October 2024. Next-version spec with `EXTENDS` keyword + - [ShEx Primer](https://shex.io/primer-next/) with `EXTENDS` keyword, Draft Community Group Report, 25 May 2022 ## Legend -☠️ — Each one denotes 5 years since last update (e.g., ☠️☠️☠️ denotes 15 years). - -💰 — Denotes closed source commercial software. +- ☠️ : Each one denotes 5 years since last update (e.g., ☠️☠️☠️ denotes 15 years). +- 💰 : Denotes closed source commercial software. From 7e984a94b48f8e2bdf4693fbe69cd4cb270f5da9 Mon Sep 17 00:00:00 2001 From: Vladimir Alexiev Date: Thu, 24 Oct 2024 12:26:28 +0300 Subject: [PATCH 2/5] maplib is only available on request --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index ffc29cc..b8d59e6 100644 --- a/README.md +++ b/README.md @@ -43,7 +43,7 @@ Semantic shapes are frequently described using the SHACL or ShEx language. - [playground](https://playground.rdf-ext.org/shacl/): Browser-based testbed. - [rdf-ext-cli](https://github.com/rdf-ext/rdf-ext-cli): command line tool for validation. Data and shapes can be given as file, URL, or SPARQL endpoint + query. - [SHACL for Ruby](https://github.com/ruby-rdf/shacl) Gem Version GitHub last commit: A pure-Ruby library for working with the Shape Constraint Language to validate the shape of RDF graphs; `BSD-3-Clause` license; `Ruby`. -- [maplib](https://github.com/DataTreehouse/maplib) : High-performance RDF knowledge graph construction, SHACL validation and SPARQL-based enrichment. `Apache-2.0` license. `Rust, Python`. +- [maplib](https://github.com/DataTreehouse/maplib) : High-performance RDF knowledge graph construction, SHACL validation and SPARQL-based enrichment. `Apache-2.0` license. `Rust, Python`. But SHACL is not open source yet: [lib/shacl/src/lib.rs](https://github.com/DataTreehouse/maplib/blob/main/lib/shacl/src/lib.rs) says `unimplemented!("Contact Data Treehouse to try")` ## ShEx Validators From fabdfeea938d555c4a33ed44ff6fda54ffa9a6b3 Mon Sep 17 00:00:00 2001 From: Vladimir Alexiev Date: Thu, 7 Nov 2024 17:00:32 +0200 Subject: [PATCH 3/5] fixes as per @amivanoff --- README.md | 105 +++++++++++++++++++++++++++--------------------------- 1 file changed, 52 insertions(+), 53 deletions(-) diff --git a/README.md b/README.md index b8d59e6..4ca3a68 100644 --- a/README.md +++ b/README.md @@ -23,104 +23,103 @@ Semantic shapes are frequently described using the SHACL or ShEx language. - [IDE support](#ide-support) - [Books](#books) - [Tutorials](#tutorials) -- [Talks](#talks) -- [Presentations](#presentations) +- [Talks and Presentations](#talks-and-presentations) - [Specifications](#specifications) - [Legend](#legend) ## SHACL Validators -- [Apache Jena SHACL](https://github.com/apache/jena/tree/main/jena-shacl) Maven Central Version Maven Central Last Update: Supports SHACL Core, SHACL-SPARQL; [docs](https://jena.apache.org/documentation/shacl/index.html); `Apache-2.0` license; `Java`. -- [RDF4J SHACL Engine](https://github.com/eclipse-rdf4j/rdf4j/tree/main/core/sail/shacl) Maven Central Version Maven Central Last Update: Supports SHACL Core (without some property paths), SHACL-SPARQL, incremental validation; [docs](https://rdf4j.org/documentation/programming/shacl/); `BSD-3-Clause` license; `Java`. -- [TopBraid SHACL API](https://github.com/TopQuadrant/shacl) Maven Central Version Maven Central Last Update: Supports SHACL Core, SHACL-SPARQL, SHACL rules; based on Jena; `BSD-3-Clause` license; `Java`. - - [RDF validator](https://www.itb.ec.europa.eu/shacl/any/upload): The EU Interoperability Test Bed (ITB) playground based on TQ API; validate any RDF with SHACL Shapes. - - [SHACL shapes validator](https://www.itb.ec.europa.eu/shacl/shacl/upload): The EU Interoperability Test Bed (ITB) playgrounds based on TQ API; validate SHACL Shapes itself. - - [Sparna SHACL playground](https://shacl-play.sparna.fr/play/): Free online suite of tools from Sparna to work with SHACL; based on TQ API. -- [TopBraid SHACL API Extended](https://github.com/SHACL-X/shacl-x) GitHub Release GitHub Release Date: Fork of TopBraid SHACL API + added SHACL-JS based on GraalVM Polyglot; [docs](https://shacl-x.github.io/docs/); `BSD-3-Clause` license; `Java`. -- [rdf-validate-shacl](https://github.com/zazuko/rdf-validate-shacl) NPM Version GitHub Release Date: Supports SHACL Core; pure JavaScript validator on top of the [RDFJS](https://rdf.js.org/) stack; `MIT` license; `JavaScript`. - - [playground](https://zazuko.github.io/shacl-playground): Browser-based testbed. -- [shacl-engine](https://github.com/rdf-ext/shacl-engine) NPM Version GitHub last commit: Supports SHACL Core, SHACL-SPARQL; A fast engine for data provided as [RDF/JS](http://rdf.js.org/data-model-spec/) objects; `MIT` license; `JavaScript`. - - [playground](https://playground.rdf-ext.org/shacl/): Browser-based testbed. - - [rdf-ext-cli](https://github.com/rdf-ext/rdf-ext-cli): command line tool for validation. Data and shapes can be given as file, URL, or SPARQL endpoint + query. -- [SHACL for Ruby](https://github.com/ruby-rdf/shacl) Gem Version GitHub last commit: A pure-Ruby library for working with the Shape Constraint Language to validate the shape of RDF graphs; `BSD-3-Clause` license; `Ruby`. -- [maplib](https://github.com/DataTreehouse/maplib) : High-performance RDF knowledge graph construction, SHACL validation and SPARQL-based enrichment. `Apache-2.0` license. `Rust, Python`. But SHACL is not open source yet: [lib/shacl/src/lib.rs](https://github.com/DataTreehouse/maplib/blob/main/lib/shacl/src/lib.rs) says `unimplemented!("Contact Data Treehouse to try")` +- [Apache Jena SHACL](https://github.com/apache/jena/tree/main/jena-shacl) Maven Central Version Maven Central Last Update - Supports SHACL Core, SHACL-SPARQL; [docs](https://jena.apache.org/documentation/shacl/index.html); `Apache-2.0` license; `Java`. +- [RDF4J SHACL Engine](https://github.com/eclipse-rdf4j/rdf4j/tree/main/core/sail/shacl) Maven Central Version Maven Central Last Update - Supports SHACL Core (without some property paths), SHACL-SPARQL, incremental validation; [docs](https://rdf4j.org/documentation/programming/shacl/); `BSD-3-Clause` license; `Java`. +- [TopBraid SHACL API](https://github.com/TopQuadrant/shacl) Maven Central Version Maven Central Last Update - Supports SHACL Core, SHACL-SPARQL, SHACL rules; based on Jena; `BSD-3-Clause` license; `Java`. + - [RDF validator](https://www.itb.ec.europa.eu/shacl/any/upload) - The EU Interoperability Test Bed (ITB) playground based on TQ API; validate any RDF with SHACL Shapes. + - [SHACL shapes validator](https://www.itb.ec.europa.eu/shacl/shacl/upload) - The EU Interoperability Test Bed (ITB) playgrounds based on TQ API; validate SHACL Shapes itself. + - [Sparna SHACL playground](https://shacl-play.sparna.fr/play/) - Free online suite of tools from Sparna to work with SHACL; based on TQ API. +- [TopBraid SHACL API Extended](https://github.com/SHACL-X/shacl-x) GitHub Release GitHub Release Date - Fork of TopBraid SHACL API + added SHACL-JS based on GraalVM Polyglot; [docs](https://shacl-x.github.io/docs/); `BSD-3-Clause` license; `Java`. +- [rdf-validate-shacl](https://github.com/zazuko/rdf-validate-shacl) NPM Version GitHub Release Date - Supports SHACL Core; pure JavaScript validator on top of the [RDFJS](https://rdf.js.org/) stack; `MIT` license; `JavaScript`. + - [playground](https://zazuko.github.io/shacl-playground) - Browser-based testbed. +- [shacl-engine](https://github.com/rdf-ext/shacl-engine) NPM Version GitHub last commit - Supports SHACL Core, SHACL-SPARQL; A fast engine for data provided as [RDF/JS](http://rdf.js.org/data-model-spec/) objects; `MIT` license; `JavaScript`. + - [playground](https://playground.rdf-ext.org/shacl/) - Browser-based testbed. + - [rdf-ext-cli](https://github.com/rdf-ext/rdf-ext-cli) - command line tool for validation. Data and shapes can be given as file, URL, or SPARQL endpoint + query. +- [SHACL for Ruby](https://github.com/ruby-rdf/shacl) Gem Version GitHub last commit - A pure-Ruby library for working with the Shape Constraint Language to validate the shape of RDF graphs; `BSD-3-Clause` license; `Ruby`. +- [maplib](https://github.com/DataTreehouse/maplib) - High-performance RDF knowledge graph construction, SHACL validation and SPARQL-based enrichment. `Apache-2.0` license. `Rust, Python`. But SHACL is not open source yet: [lib/shacl/src/lib.rs](https://github.com/DataTreehouse/maplib/blob/main/lib/shacl/src/lib.rs) says `unimplemented!("Contact Data Treehouse to try")` ## ShEx Validators -- [Apache Jena ShEx](https://github.com/apache/jena/tree/main/jena-shex) Maven Central Version Maven Central Last Update: Supports ShEx, ShExC; not supported semantic actions, EXTERNAL; [docs](https://jena.apache.org/documentation/shex/); `Apache-2.0` license; `Java`. -- [shexSpec/shex.js](https://github.com/shexjs/shex.js) NPM Version GitHub last commit: JavaScript implementation of Shape Expressions; `MIT` license; `JavaScript`. - - [playground](http://rawgit.com/shexSpec/shex.js/master/doc/shex-simple.html): Browser-based testbed. -- [ShEx-validator](https://github.com/HW-SWeL/ShEx-validator) GitHub last commit Standalone Node module with a command line interface; `MIT` license; `JavaScript`. Built on top of [ShExDemo](https://github.com/ericprud/ShExDemo) - - [Validata](https://github.com/HW-SWeL/Validata) GitHub last commit: Web-based UI to validate RDF against ShEx schemas; `MIT` license; `JavaScript`. +- [Apache Jena ShEx](https://github.com/apache/jena/tree/main/jena-shex) Maven Central Version Maven Central Last Update - Supports ShEx, ShExC; not supported semantic actions, EXTERNAL; [docs](https://jena.apache.org/documentation/shex/); `Apache-2.0` license; `Java`. +- [shexSpec/shex.js](https://github.com/shexjs/shex.js) NPM Version GitHub last commit - JavaScript implementation of Shape Expressions; `MIT` license; `JavaScript`. + - [playground](http://rawgit.com/shexSpec/shex.js/master/doc/shex-simple.html) - Browser-based testbed. +- [ShEx-validator](https://github.com/HW-SWeL/ShEx-validator) GitHub last commit ☠️ - Standalone Node module with a command line interface; `MIT` license; `JavaScript`. Built on top of [ShExDemo](https://github.com/ericprud/ShExDemo) + - [Validata](https://github.com/HW-SWeL/Validata) GitHub last commit ☠️ - Web-based UI to validate RDF against ShEx schemas; `MIT` license; `JavaScript`. - [playground1](http://hw-swel.github.io/Validata/) (HW-SWeL) - [playground2](https://www.w3.org/2015/03/ShExValidata/) (W3C) ## Shapes Discovery Tools -- [RDFminer](https://github.com/Wimmics/RDFminer): Web application to automatically discover SHACL shapes representative of an RDF data graph, by Wimmics; `CECILL-C` license; `Java`. -- [SHACL Discovery Service](https://github.com/AKSW/discover-shacl-shapes): Example implementation of a discovery service for SHACL shapes/shape groups; `MIT` license; `PHP`. -- [Shapes of You index](https://index.semanticscience.org/): SPARQL queries, OWL/SKOS vocabularies, SHACL/ShEx shapes, indexed from public `git` repositories; `MIT` license; `Typescript`, `Python`. +- [RDFminer](https://github.com/Wimmics/RDFminer) - Web application to automatically discover SHACL shapes representative of an RDF data graph, by Wimmics; `CECILL-C` license; `Java`. +- [SHACL Discovery Service](https://github.com/AKSW/discover-shacl-shapes) - Example implementation of a discovery service for SHACL shapes/shape groups; `MIT` license; `PHP`. +- [Shapes of You index](https://index.semanticscience.org/) - SPARQL queries, OWL/SKOS vocabularies, SHACL/ShEx shapes, indexed from public `git` repositories; `MIT` license; `Typescript`, `Python`. ## Shapes Collections -- [schema.org Shapes](http://datashapes.org/schema): Schema.org, converted to SHACL by TopQuadrant. +- [schema.org Shapes](http://datashapes.org/schema) - Schema.org, converted to SHACL by TopQuadrant. ## Shape Conversion Tools -- [ShacShifter](https://github.com/AKSW/ShacShifter) GitHub last commit ☠️: Shape shifter from SHACL to other formats (currently RDForms); `GPL-3.0` license; `Python`. -- [SHACL To JSON Schema](https://github.com/comake/shacl-to-json-schema) NPM Version GitHub last commit: TS, SHACL-to-JSON-Schema translator; `Typescript`. +- [ShacShifter](https://github.com/AKSW/ShacShifter) GitHub last commit ☠️ - Shape shifter from SHACL to other formats (currently RDForms); `GPL-3.0` license; `Python`. +- [SHACL To JSON Schema](https://github.com/comake/shacl-to-json-schema) NPM Version GitHub last commit - SHACL-to-JSON-Schema translator; `Typescript`. ## Shape Generators -- [owl2shacl](https://github.com/sparna-git/owl2shacl): OWL-to-SHACL conversion rules. +- [owl2shacl](https://github.com/sparna-git/owl2shacl) - OWL-to-SHACL conversion rules. ## Shape-based Query Generators -- [shape-to-query](https://github.com/hypermedia-app/shape-to-query) NPM Version GitHub Release Date: Generate SPARQL queries from SHACL Shapes; [docs](https://shape-to-query.hypermedia.app/docs); `MIT` license; `Typescript`. +- [shape-to-query](https://github.com/hypermedia-app/shape-to-query) NPM Version GitHub Release Date - Generate SPARQL queries from SHACL Shapes; [docs](https://shape-to-query.hypermedia.app/docs); `MIT` license; `Typescript`. - [playground](https://shape-to-query.hypermedia.app) ## Shape Editors, Visualizations -- [Allotrope Shape Editor](https://gitlab.com/allotrope-open-source/allotrope-devops/-/wikis/shacl-shape-editor): The Shape Editor supports editing of shacl and shaclc files; `Apache-2.0` license; `Java`. +- [Allotrope Shape Editor](https://gitlab.com/allotrope-open-source/allotrope-devops/-/wikis/shacl-shape-editor) - The Shape Editor supports editing of shacl and shaclc files; `Apache-2.0` license; `Java`. ## Declarative UIs Data viewers/Editors based on shapes. -- [shaperone](https://github.com/hypermedia-app/shaperone) NPM Version GitHub Release Date: SHACL Shapes Form generator; [docs](https://forms.hypermedia.app); `MIT` license; `Typescript`. +- [shaperone](https://github.com/hypermedia-app/shaperone) NPM Version GitHub Release Date - SHACL Shapes Form generator; [docs](https://forms.hypermedia.app); `MIT` license; `Typescript`. - [playground](https://forms.hypermedia.app/playground) ## IDE support -- [Linked Data Extension](https://marketplace.visualstudio.com/items?itemName=Elsevier.linked-data): VS Code Extension for editing RDF files with embedded SHACL validator and SPARQL engine. -- [SHACL Language Server](https://marketplace.visualstudio.com/items?itemName=stardog-union.vscode-langserver-shacl): A VS Code extension providing language intelligence (diagnostics, hover tooltips, auto-completion, etc.) for W3C standard SHACL via the Language Server Protocol. -- [Mentor RDF for VS Code](https://marketplace.visualstudio.com/items?itemName=faubulous.mentor): Code editing support for RDF, RDFS, OWL, SKOS, SHACL and SPARQL. +- [Linked Data Extension](https://marketplace.visualstudio.com/items?itemName=Elsevier.linked-data) - VS Code Extension for editing RDF files with embedded SHACL validator and SPARQL engine. +- [SHACL Language Server](https://marketplace.visualstudio.com/items?itemName=stardog-union.vscode-langserver-shacl) - A VS Code extension providing language intelligence (diagnostics, hover tooltips, auto-completion, etc.) for W3C standard SHACL via the Language Server Protocol. +- [Mentor RDF for VS Code](https://marketplace.visualstudio.com/items?itemName=faubulous.mentor) - Code editing support for RDF, RDFS, OWL, SKOS, SHACL and SPARQL. ## Books -- [Validating RDF Data (2018)](https://book.validatingrdf.com) +- [Validating RDF Data (2018)](https://book.validatingrdf.com) - The SHACL and ShEx book ## Tutorials -- [Shapes applications and tools: ISWC'20 Tutorial](https://www.validatingrdf.com/tutorial/iswc2020/) +- [Shapes applications and tools: ISWC'20 Tutorial](https://www.validatingrdf.com/tutorial/iswc2020/) - Main tutorial ## Talks and Presentations -- [The Many Shapes of SHACL by Holger Knublauch](https://www.youtube.com/watch?v=ccs-KhnWR1U): LOTICO Talk, 18 Jun 2020. -- [One Ontology, One Data Set, Multiple Shapes with SHACL by Tara Raafat](https://www.youtube.com/watch?v=apG5K3zc4V0): Connected Data London, 2019. -- [An Overview of SHACL Shapes Constraint Language: Part 2](https://www.youtube.com/watch?v=TSDplfqw8rM): TopQuadrant, 2017. -- [An Overview of SHACL Shapes Constraint Language](https://www.youtube.com/watch?v=_i3zTeMyRzU): TopQuadrant, 2017. +- [The Many Shapes of SHACL by Holger Knublauch](https://www.youtube.com/watch?v=ccs-KhnWR1U) - LOTICO Talk, 18 Jun 2020. +- [One Ontology, One Data Set, Multiple Shapes with SHACL by Tara Raafat](https://www.youtube.com/watch?v=apG5K3zc4V0) - Connected Data London, 2019. +- [An Overview of SHACL Shapes Constraint Language: Part 2](https://www.youtube.com/watch?v=TSDplfqw8rM) - TopQuadrant, 2017. +- [An Overview of SHACL Shapes Constraint Language](https://www.youtube.com/watch?v=_i3zTeMyRzU) - TopQuadrant, 2017. ## Specifications -- SHACL, W3C Recommendations & Notes - - [Shapes Constraint Language (SHACL)](https://www.w3.org/TR/shacl/): W3C Recommendation, 20 July 2017. - - [SHACL Advanced Features](https://www.w3.org/TR/shacl-af/): W3C Working Group Note, 08 June 2017. - - [SHACL JavaScript Extensions](https://www.w3.org/TR/shacl-js/): W3C Working Group Note, 08 June 2017. - - [SHACL Test Suite and Implementation Report](https://w3c.github.io/data-shapes/data-shapes-test-suite/): W3C Document 01 July 2019. - - [SHACL Use Cases and Requirements](https://www.w3.org/TR/shacl-ucr/): W3C Working Group Note 20 July 2017. +- SHACL W3C Recommendations & Notes + - [Shapes Constraint Language (SHACL)](https://www.w3.org/TR/shacl/) - W3C Recommendation, 20 July 2017. + - [SHACL Advanced Features](https://www.w3.org/TR/shacl-af/) - W3C Working Group Note, 08 June 2017. + - [SHACL JavaScript Extensions](https://www.w3.org/TR/shacl-js/) - W3C Working Group Note, 08 June 2017. + - [SHACL Test Suite and Implementation Report](https://w3c.github.io/data-shapes/data-shapes-test-suite/) - W3C Document 01 July 2019. + - [SHACL Use Cases and Requirements](https://www.w3.org/TR/shacl-ucr/) - W3C Working Group Note 20 July 2017. -- SHACL, Community Group Latest Drafts & Notes +- SHACL Community Group Latest Drafts & Notes - [SHACL 1.2 Core](https://w3c.github.io/shacl/shacl-core/) - [SHACL 1.2 SPARQL Extensions](https://w3c.github.io/shacl/shacl-sparql/) - [SHACL Advanced Features 1.1](https://w3c.github.io/shacl/shacl-af/) @@ -129,14 +128,14 @@ Data viewers/Editors based on shapes. - SHACL-related specifications - [The Shape Topologies algorithm](https://treecg.github.io/specification/shape-topologies) - - [DASH Data Shapes](https://www.datashapes.org/): Platform-independent extensions of SHACL for common tasks. Stuff that could become an official standard in the future. + - [DASH Data Shapes](https://www.datashapes.org/) - Platform-independent extensions of SHACL for common tasks. Stuff that could become an official standard in the future. - ShEx - - [Shape Expressions Language 2.1](https://shex.io/shex-semantics/index.html): Final Community Group Report, 8 October 2019 - - [ShEx Primer](https://shexspec.github.io/primer/index.html): Draft Community Group Report, 7 December 2022 - - [ShEx Text Suite](https://github.com/shexSpec/shexTest), [website](https://shexspec.github.io/shexTest/). Version `next@1.0.2`, last release 5 October 2018 - - [Recommended Practice for Standard for Shape Expression Schemas](https://shexspec.github.io/spec/), IEEE Computer Society P3330/D3, Draft, 9 October 2024. Next-version spec with `EXTENDS` keyword - - [ShEx Primer](https://shex.io/primer-next/) with `EXTENDS` keyword, Draft Community Group Report, 25 May 2022 + - [Shape Expressions Language 2.1](https://shex.io/shex-semantics/index.html) - Final Community Group Report: 8 October 2019 + - [ShEx Primer](https://shexspec.github.io/primer/index.html) - Draft Community Group Report: 7 December 2022 + - [ShEx Text Suite](https://github.com/shexSpec/shexTest) and [website](https://shexspec.github.io/shexTest/) - Version `next@1.0.2`: last release 5 October 2018 + - [Recommended Practice for Standard for Shape Expression Schemas](https://shexspec.github.io/spec/) - IEEE Computer Society P3330/D3: Draft 9 October 2024. Next-version spec with `EXTENDS` keyword + - [ShEx Primer](https://shex.io/primer-next/) - Primer with `EXTENDS` keyword: Draft Community Group Report 25 May 2022 ## Legend - ☠️ : Each one denotes 5 years since last update (e.g., ☠️☠️☠️ denotes 15 years). From 774949e09bf1327d848fa6d4cb32284d857dd311 Mon Sep 17 00:00:00 2001 From: Vladimir Alexiev Date: Thu, 7 Nov 2024 17:02:57 +0200 Subject: [PATCH 4/5] added link to rdf4j 5.0.3 upcoming improvements --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index 4ca3a68..fb293da 100644 --- a/README.md +++ b/README.md @@ -30,7 +30,7 @@ Semantic shapes are frequently described using the SHACL or ShEx language. ## SHACL Validators - [Apache Jena SHACL](https://github.com/apache/jena/tree/main/jena-shacl) Maven Central Version Maven Central Last Update - Supports SHACL Core, SHACL-SPARQL; [docs](https://jena.apache.org/documentation/shacl/index.html); `Apache-2.0` license; `Java`. -- [RDF4J SHACL Engine](https://github.com/eclipse-rdf4j/rdf4j/tree/main/core/sail/shacl) Maven Central Version Maven Central Last Update - Supports SHACL Core (without some property paths), SHACL-SPARQL, incremental validation; [docs](https://rdf4j.org/documentation/programming/shacl/); `BSD-3-Clause` license; `Java`. +- [RDF4J SHACL Engine](https://github.com/eclipse-rdf4j/rdf4j/tree/main/core/sail/shacl) Maven Central Version Maven Central Last Update - Supports SHACL Core (without some property paths, see [5.0.3 improvements](https://github.com/Sveino/Inst4CIM-KG/issues/95#issuecomment-2437819932)), SHACL-SPARQL, incremental validation; [docs](https://rdf4j.org/documentation/programming/shacl/); `BSD-3-Clause` license; `Java`. - [TopBraid SHACL API](https://github.com/TopQuadrant/shacl) Maven Central Version Maven Central Last Update - Supports SHACL Core, SHACL-SPARQL, SHACL rules; based on Jena; `BSD-3-Clause` license; `Java`. - [RDF validator](https://www.itb.ec.europa.eu/shacl/any/upload) - The EU Interoperability Test Bed (ITB) playground based on TQ API; validate any RDF with SHACL Shapes. - [SHACL shapes validator](https://www.itb.ec.europa.eu/shacl/shacl/upload) - The EU Interoperability Test Bed (ITB) playgrounds based on TQ API; validate SHACL Shapes itself. From 3952816b77afd7e05df5a63473fed8739fa2d122 Mon Sep 17 00:00:00 2001 From: Vladimir Alexiev Date: Tue, 12 Nov 2024 17:04:50 +0200 Subject: [PATCH 5/5] fatal: LF would be replaced by CRLF in README.md --- README.md | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/README.md b/README.md index fb293da..77165ed 100644 --- a/README.md +++ b/README.md @@ -36,11 +36,13 @@ Semantic shapes are frequently described using the SHACL or ShEx language. - [SHACL shapes validator](https://www.itb.ec.europa.eu/shacl/shacl/upload) - The EU Interoperability Test Bed (ITB) playgrounds based on TQ API; validate SHACL Shapes itself. - [Sparna SHACL playground](https://shacl-play.sparna.fr/play/) - Free online suite of tools from Sparna to work with SHACL; based on TQ API. - [TopBraid SHACL API Extended](https://github.com/SHACL-X/shacl-x) GitHub Release GitHub Release Date - Fork of TopBraid SHACL API + added SHACL-JS based on GraalVM Polyglot; [docs](https://shacl-x.github.io/docs/); `BSD-3-Clause` license; `Java`. +- [shacl-js](https://github.com/TopQuadrant/shacl-js) GitHub Release Date - SHACL API; `Apache` license; `JavaScript`. Recommends migration to `rdf-validate-shacl`. ☠️. + - [playground](https://shacl.org/playground/) - Browser-based testbed. - [rdf-validate-shacl](https://github.com/zazuko/rdf-validate-shacl) NPM Version GitHub Release Date - Supports SHACL Core; pure JavaScript validator on top of the [RDFJS](https://rdf.js.org/) stack; `MIT` license; `JavaScript`. - [playground](https://zazuko.github.io/shacl-playground) - Browser-based testbed. - [shacl-engine](https://github.com/rdf-ext/shacl-engine) NPM Version GitHub last commit - Supports SHACL Core, SHACL-SPARQL; A fast engine for data provided as [RDF/JS](http://rdf.js.org/data-model-spec/) objects; `MIT` license; `JavaScript`. - [playground](https://playground.rdf-ext.org/shacl/) - Browser-based testbed. - - [rdf-ext-cli](https://github.com/rdf-ext/rdf-ext-cli) - command line tool for validation. Data and shapes can be given as file, URL, or SPARQL endpoint + query. + - [rdf-ext-cli](https://github.com/rdf-ext/rdf-ext-cli) - Command line tool for validation. Data and shapes can be given as file, URL, or SPARQL endpoint + query. - [SHACL for Ruby](https://github.com/ruby-rdf/shacl) Gem Version GitHub last commit - A pure-Ruby library for working with the Shape Constraint Language to validate the shape of RDF graphs; `BSD-3-Clause` license; `Ruby`. - [maplib](https://github.com/DataTreehouse/maplib) - High-performance RDF knowledge graph construction, SHACL validation and SPARQL-based enrichment. `Apache-2.0` license. `Rust, Python`. But SHACL is not open source yet: [lib/shacl/src/lib.rs](https://github.com/DataTreehouse/maplib/blob/main/lib/shacl/src/lib.rs) says `unimplemented!("Contact Data Treehouse to try")` @@ -97,11 +99,11 @@ Data viewers/Editors based on shapes. ## Books -- [Validating RDF Data (2018)](https://book.validatingrdf.com) - The SHACL and ShEx book +- [Validating RDF Data (2018)](https://book.validatingrdf.com) - The SHACL and ShEx book. ## Tutorials -- [Shapes applications and tools: ISWC'20 Tutorial](https://www.validatingrdf.com/tutorial/iswc2020/) - Main tutorial +- [Shapes applications and tools: ISWC'20 Tutorial](https://www.validatingrdf.com/tutorial/iswc2020/) - Main tutorial. ## Talks and Presentations @@ -131,11 +133,11 @@ Data viewers/Editors based on shapes. - [DASH Data Shapes](https://www.datashapes.org/) - Platform-independent extensions of SHACL for common tasks. Stuff that could become an official standard in the future. - ShEx - - [Shape Expressions Language 2.1](https://shex.io/shex-semantics/index.html) - Final Community Group Report: 8 October 2019 - - [ShEx Primer](https://shexspec.github.io/primer/index.html) - Draft Community Group Report: 7 December 2022 - - [ShEx Text Suite](https://github.com/shexSpec/shexTest) and [website](https://shexspec.github.io/shexTest/) - Version `next@1.0.2`: last release 5 October 2018 - - [Recommended Practice for Standard for Shape Expression Schemas](https://shexspec.github.io/spec/) - IEEE Computer Society P3330/D3: Draft 9 October 2024. Next-version spec with `EXTENDS` keyword - - [ShEx Primer](https://shex.io/primer-next/) - Primer with `EXTENDS` keyword: Draft Community Group Report 25 May 2022 + - [Shape Expressions Language 2.1](https://shex.io/shex-semantics/index.html) - Final Community Group Report, 8 October 2019. + - [ShEx Primer](https://shexspec.github.io/primer/index.html) - Draft Community Group Report, 7 December 2022. + - [ShEx Text Suite](https://github.com/shexSpec/shexTest) and [website](https://shexspec.github.io/shexTest/) - Version `next@1.0.2`, last release 5 October 2018. + - [Recommended Practice for Standard for Shape Expression Schemas](https://shexspec.github.io/spec/) - IEEE Computer Society P3330/D3, Draft 9 October 2024. Next-version spec with `EXTENDS` keyword. + - [ShEx Primer](https://shex.io/primer-next/) - Primer with `EXTENDS` keyword, Draft Community Group Report 25 May 2022. ## Legend - ☠️ : Each one denotes 5 years since last update (e.g., ☠️☠️☠️ denotes 15 years).