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Re: ISSUE-11 (datatype facets): REPORTED: Specification of which facet is being restricted in a datatype restriction is missing

From: Rinke Hoekstra <hoekstra@uva.nl>
Date: Thu, 25 Oct 2007 09:15:12 +0200
Message-ID: <47204280.5000109@uva.nl>
To: "Web Ontology Language (OWL) Working Group WG" <public-owl-wg@w3.org>
Points to Google code issue 10, but this issue "Multiple facet 
restrictions per datarange" has not been migrated (yet)

-Rinke

Web Ontology Language (OWL) Working Group Issue Tracker wrote:
> 
> ISSUE-11 (datatype facets): REPORTED: Specification of which facet is being restricted in a datatype restriction is missing
> 
> http://www.w3.org/2007/OWL/tracker/issues/
> 
> Raised by: Peter Patel-Schneider
> On product: 
> 
> Reported by matthew.horridge, Apr 18, 2007
> 
> The schema describes datatype restrictions as follows
> 
>    <xsd:element name="DatatypeRestriction">
>      <xsd:complexType>
>        <xsd:sequence>
>          <xsd:element ref="owl11xml:Datatype"/>
>          <xsd:element ref="owl11xml:Constant"/>
>        </xsd:sequence>
>        <xsd:attributeGroup ref="xml:specialAttrs"/>
>      </xsd:complexType>
>    </xsd:element>
> 
> There is no way to specify which facet is being restricted.
> 
> Since it looks like multiple facet restrictions per restricted datatype will be allowed [1] I suggest 
> that we have a syntax that has a datatype facet restriction element, so that we have something 
> which looks something like this:
> 
>                     <DatatypeRestriction>
>                         <Datatype URI="&xsd;nonNegativeInteger"/>
>                         <DatatypeFacetRestriction facet="&owl11;minInclusive">
>                             <Constant Datatype="&xsd;int">10</Constant>
>                         </DatatypeFacetRestriction>
>                     </DatatypeRestriction>
>                    
> Cheers,
> 
> Matthew
> 
> 
> [1] Bug 10: http://code.google.com/p/owl1-1/issues/detail?id=10&can=2&q=
> 
> 
> 
> 

-- 
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Drs. Rinke Hoekstra

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Received on Thursday, 25 October 2007 07:15:27 GMT

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