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Re: ISSUE-133 syntax simplifications & regularizations

From: Peter F. Patel-Schneider <pfpschneider@gmail.com>
Date: Tue, 10 May 2016 13:24:09 -0700
To: Dimitris Kontokostas <kontokostas@informatik.uni-leipzig.de>, public-data-shapes-wg <public-data-shapes-wg@w3.org>
Message-ID: <06febe4e-c03f-2e79-5565-4f378e9b12a0@gmail.com>
I suggest sh:self as a better name for sh:node.

peter


On 05/10/2016 07:36 AM, Dimitris Kontokostas wrote:
> After a quick offline discussion with Holger we would like to propose some
> work towards syntax simplification
> 
> The proposal has 2 aspects that go together
> 1. we remove the sh:defaultValueType from SHACL (Peter also had concerns with
> this - see issue-128)
> 2. we simplify sh:constraint in the following ways
> 
> a. sh:constraint is renamed to sh:node (other names welcome) and may have only
> values of sh:NodeConstraint type
> b. native sparql constraints (which could be used inside sh:constraint) are
> now declared separately using a new property sh:sparqlConstraint that allows
> only sh:SparqlConstraints
> 
> We believe this is a simplification everyone will like and would like to put
> it in the agenda for the next telco. Any comments are welcome
> 
> rational for this change is the discussion for wording section 2.3. 
> sh:defaultValueType was complicating things and one of the reasons it was
> introduced is to disambiguate the values of sh:constraint.
> With this change every predicate can have only one possible type now
> and sh:defaultValueType is no longer needed
> 
> Best,
> Dimitris
> 
> -- 
> Dimitris Kontokostas
> Department of Computer Science, University of Leipzig & DBpedia Association
> Projects: http://dbpedia.org, http://rdfunit.aksw.org,
> http://http://aligned-project.eu <http://aligned-project.eu/>
> Homepage:http://aksw.org/DimitrisKontokostas
> Research Group: AKSW/KILT http://aksw.org/Groups/KILT
> 
Received on Tuesday, 10 May 2016 20:24:42 UTC

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