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RE: ShEx 2.0 Candidate Release

From: John Walker <john.walker@semaku.com>
Date: Tue, 28 Mar 2017 08:53:36 +0000
To: Gregg Kellogg <gregg@greggkellogg.net>, W3C Semantic Web IG <semantic-web@w3.org>, "public-rdf-shapes@w3.org" <public-rdf-shapes@w3.org>
CC: "public-shex@w3.org" <public-shex@w3.org>
Message-ID: <AM4PR0201MB1730E4415A040CA19464A92F9A320@AM4PR0201MB1730.eurprd02.prod.outlook.com>
Hi Gregg,

Does there exist somewhere a (preferably objective) comparison of ShEx and SHACL?
Would be a useful resource for people trying to decide which to use/implement.

Something along the lines of:


-----Original Message-----
From: Gregg Kellogg [mailto:gregg@greggkellogg.net] 
Sent: Tuesday, March 28, 2017 10:44 AM
To: W3C Semantic Web IG <semantic-web@w3.org>; public-rdf-shapes@w3.org
Cc: public-shex@w3.org
Subject: ShEx 2.0 Candidate Release

he ShEx Community Group would like to invite public review of three deliverables:

  Shape Expressions (ShEx) Primer http://shex.io/shex-primer/
  Shape Expressions Language 2.0 http://shex.io/shex-semantics/
  Shape Expressions Test Suite https://github.com/shexSpec/shexTest/ including:
  * 337 schemas in three representations:
      ShExC: compact syntax
      ShExJ: JSON-LD 1.0 syntax
      ShExR: Turtle syntax
  * 927 validation tests.
  * 101 ShExC negative syntax tests
  * 7 negative structure tests.

The test suite has a Implementation Report including 4 of the 5 implementations:

For feature requests please note the features in the 2.1 milestone:

Many of these have been implemented and tested but are not in this version of the specification. We invite feedback from the community on issues with the documents or tests, new feature prioritization and new feature use cases.

Comments are welcome on the ShEx Community Group mailing list (archived):

Readers may also wish to join the ShEx Community Group:

  Andra Waagmeester
  Dimitris Kontokostas
  Eric Prud'hommeaux
  Gregg Kellogg
  Harold Solbrig
  Iovka Boneva
  Jose Emilio Labra Gayo
  Karen Coyle
  Katherine Thornton
  Tom Baker
Received on Tuesday, 28 March 2017 08:54:15 UTC

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