Although the note here doesn't say, ShEx is the "companion" standard for RDF validation, parallel to SHACL but that is not essentially using SPARQL logic, which is what SHACL is based on, via TopBraid's SPIN technology.
ShEx is now incorporated into WikiData as its validation code.[1] It allows you to validate WikiData entries "on the fly". ShEx has a compact syntax, ShExC, that you can see in the examples in the primer. There is *still* no primer for the ShExC schema language (or the JSON serialization, ShExJ) and I will continue to lobby for those because I think they are greatly needed - perhaps the wikidata community will do this? or has? (I can't find it...) kc [1] https://www.wikidata.org/wiki/Wikidata:WikiProject_Schemas/Tutorial -------- Forwarded Message -------- Subject: [ANN] Shape Expressions 2.1 release Resent-Date: Tue, 05 Nov 2019 06:52:42 +0000 Resent-From: public-s...@w3.org Date: Tue, 5 Nov 2019 08:52:10 +0200 From: Dimitris Kontokostas <jimk...@gmail.com> To: Semantic Web <semantic-...@w3.org>, Linked Data community <public-...@w3.org>, ShEx Public W3C- CG <public-s...@w3.org> The ShEx community group is happy to announce the release of ShEx 2.1. The new ShEx release consists of three deliverables: * Shape Expressions Language 2.1 http://shex.io/shex-semantics-20191008/ * Shape Expressions Primer 2.1 http://shex.io/shex-primer-20191009/ * Shape Expressions Test Suite 2.1 https://github.com/shexSpec/shexTest/ including 1089 validation tests, 99 negative syntax tests, 14 negative structure tests and 432 schema conversion tests between ShExC, ShExJ and ShExR(*). The test suite has an Implementation Report including 4 of the 5 implementations: http://shexspec.github.io/shexTest/reports/2.1/ ShEx 2.1 is backwards compatible with ShEx 2.0. The major changes include: * `START` clauses in imported schemas are now ignored instead of throwing an error * Added IMPORT functionality (round-trips between ShExC, ShExJ and ShExR). http://shex.io/shex-primer-20191009/#import * Added language support in value sets. http://shex.io/shex-primer-20191009/#value-sets * Updated definition of semantics to clarify recursion. http://shex.io/shex-semantics-20191008/#validation * Added annotations and semantic actions to node constraints. http://shex.io/shex-semantics-20191008/#prod-bracketedTripleExpr * ShExC grammar allows ()s around simple TripleConstraints. * Added hundreds of tests of schema, validation and structure tests. * Multi-line comments (/* … */). http://shex.io/shex-semantics-20191008/#term-PASSED_TOKENS ShEx is running as a W3C community group and is open for everyone interested in the language and the related technologies to join at https://www.w3.org/community/shex/ Best regards, Dimitris Kontokostas, Andra Waagmeester on behalf of the ShEx W3C CG (*) Sample of test additions since v2.0: * schema tests - https://github.com/shexSpec/shexTest/blob/master/schemas/manifest.ttl#L3680-L3934 * Validation tests - https://github.com/shexSpec/shexTest/blob/master/validation/manifest.ttl#L15895-L16179 * https://github.com/shexSpec/shexTest/blob/master/validation/manifest.ttl#L11037-L11490
