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Re: RDF validation must compile down to SPARQL

From: Jerven Tjalling Bolleman <jerven.bolleman@isb-sib.ch>
Date: Fri, 18 Jul 2014 11:28:25 +0200
Message-ID: <53C8E8B9.8070409@isb-sib.ch>
To: "Eric Prud'hommeaux" <eric@w3.org>
CC: public-rdf-shapes@w3.org
Hi Eric,

Please accept my apology, I did not know of the ShEX being able to 
compile down to SPARQL.

Great to see that is working already.


On 18/07/14 11:24, Eric Prud'hommeaux wrote:
> * Jerven Tjalling Bolleman <jerven.bolleman@isb-sib.ch> [2014-07-18 09:36+0200]
>> Dear All,
>> I strongly believe that RDF validation must compile down to SPARQL.
>> I think Stardog-ICV compiles down to SPARQL (expanded with OWL-DL
>> Reasoning on the ontologies)
>> SPIN obviously does. ShEx currently does not.
> Have you tried
>    <http://www.w3.org/2013/ShEx/FancyShExDemo?schemaURL=Examples/Issue-simple-annotated.shex&dataURL=test/Issue-pass-date.ttl>
> ? Look for "View as <SPARQL query> <SPARQL remaining triples>".
> The former tests validity; the latter tells you which triples were not
> covered by the pattern (which is *an* answer to the open/closed shape
> discussion as well).
>> If you want uptake of this standard then you need to have native
>> SPARQL support. For better or worse SPARQL stores are the data
>> access model for RDF. Considering the decade of effort that people
>> have put into making SPARQL fast and scalable, you can not seriously
>> consider not taking advantage of this.
>> Therefore I think the charter should include as a goal a SPARQL
>> driven execution model.
>> Sincere regards,
>> Jerven
Received on Friday, 18 July 2014 09:29:02 UTC

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