- From: Peter F. Patel-Schneider <pfpschneider@gmail.com>
- Date: Sat, 21 Mar 2015 08:43:22 -0700
- To: Jose Emilio Labra Gayo <jelabra@gmail.com>
- CC: Dimitris Kontokostas <kontokostas@informatik.uni-leipzig.de>, Holger Knublauch <holger@topquadrant.com>, public-data-shapes-wg <public-data-shapes-wg@w3.org>
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 I can't find any examples of an extension mechanism in the referenced paper. peter On 03/20/2015 10:16 PM, Jose Emilio Labra Gayo wrote: [...] > > From my point an extension mechanism similar to ShEx semantic actions can > be included in the SHACL high-level language. > > The mechanism allows the inclusion of an action that has a language > identifier and some code. The language identifier can be SPARQL, > javascript, or whatever and if the SHACL validator has support for that > external language processor it calls it passing the code. You can see > some examples here [1] > > I think Eric didn't add it to his latest proposal because he was just > trying to be conservative and include only the most basic language > constructs. We have found that such a mechanism offers enough flexibility > to handle complex constraints without imposing a particular > implementation. > > From my perspective Eric's proposal can be used as a first step towards > identifying the main high-level language constructs, but it doesn't mean > that those constructs should be the only ones. That's why I think your > table in the wiki was also a good step forward to identifying those > language constructs. > > Best regards, Jose Labra > > [1] Validating and Describing Linked Data Portals using RDF Shape > Expressions, Jose Emilio Labra Gayo, Eric Prud'hommeaux, Harold Solbrig, > , 1st Workshop on Linked Data Quality, Sept. 2014, Leipzig, Germany PDF: > http://labra.github.io/ShExcala/papers/ldq2014.pdf Slides: > http://www.slideshare.net/jelabra/linked-dataquality-2014 > -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAEBAgAGBQJVDZGaAAoJECjN6+QThfjzWWwIAMlRb/ebuSQeMbG2VABc+XPq kPR/uj8nmY06ieG1KcAQ3AMaqMShZO6VQBfihz0zK3ybP/Tkf0zvJ2paD57gqrz1 7xWQN56OwYKlElbBzOM3Nm/HxRtHhjhlc2E7lfWnjhfHCRop+ne8wnXV1ffg2hXp s4n3T3jcDo0OYxP+RhNz8xU5cpDeRpNlTo10gc2QkKYsyrP3zl7QISfFtgDUY93I aSan2j/AJU65k/pf2TU+IXJHejn/wJ/XbYWcAcFrHSJi17oSa0np1lvCvcFYz2S0 LQVxHAVNX4BMz4WgAsK7Cx23aCt5I5Rfhlkl3CcqIvJQ3THKRMV8KajA08fdQ6M= =FDW1 -----END PGP SIGNATURE-----
Received on Saturday, 21 March 2015 15:43:53 UTC