Re: shapes-ISSUE-92 (additive repeated properties): Should repeated properties be interpreted as additive or conjunctive? [SHACL Spec]

* Irene Polikoff <irene@topquadrant.com> [2015-09-24 11:17-0400]
> One obvious use case for conjunction is something like:
> 
> :age greater than 4
> :age less than 19

can't we just say 
  <S> sh:property [
    sh:predicate :age ;
    sh:minInclusive 4 ;
    sh:maxInclusive 19
  ] .
?


> Or
> 
> :deathYear integer
> :deathYear less than 2016
> :deathYear not less than :birthYear
> 
> Another is a combination of a cardinality constraint and the value
> constraint on the same predicate.
> 
> Irene Polikoff
> 
> 
> 
> 
> 
> 
> On 9/24/15, 10:53 AM, "RDF Data Shapes Working Group Issue Tracker"
> <sysbot+tracker@w3.org> wrote:
> 
> >shapes-ISSUE-92 (additive repeated properties): Should repeated
> >properties be interpreted as additive or conjunctive? [SHACL Spec]
> >
> >http://www.w3.org/2014/data-shapes/track/issues/92
> >
> >Raised by: Eric Prud'hommeaux
> >On product: SHACL Spec
> >
> >Dublin Core experience suggests that users expect multiple constraints on
> >the same property to be "additive". For example
> >
> ><BFPersonInterface1> sh:property
> >  [ sh:predicate bf:identifiedBy ; sh:pattern "^http://id.loc.gov/" ] ,
> >  [ sh:predicate bf:identifiedBy ; sh:pattern "^http://viaf.org/" ] .
> >
> >would be interpreted as requiring one bf:identifiedBy arc starting
> >with "http://id.loc.gov/" and another starting with
> >"http://viaf.org/".
> >
> >The current SHACL behavior is that multiple property constraints on
> >the same predicate are "conjunctive", meaning that any triple with
> >that predicate is expected to match all of property constraints. Are
> >there use cases for this?
> >
> >
> >
> >
> 
> 
> 

-- 
-ericP

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Received on Thursday, 24 September 2015 17:50:33 UTC