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RE: ISSUE-28 (multiple facets): REPORTED: Multiple facet restrictions per data range

From: Boris Motik <boris.motik@comlab.ox.ac.uk>
Date: Wed, 21 Nov 2007 17:48:22 -0000
To: <public-owl-wg@w3.org>
Message-ID: <001301c82c66$b5804d70$2711a8c0@wolf>


I have just extended the structural specification, the XML Schema, and the RDF mapping to allow for multiple facet--value pairs.
Please let me know should you have any comments about it.



> -----Original Message-----
> From: public-owl-wg-request@w3.org [mailto:public-owl-wg-request@w3.org] On Behalf Of Boris Motik
> Sent: 07 November 2007 19:54
> To: public-owl-wg@w3.org
> Subject: Re: ISSUE-28 (multiple facets): REPORTED: Multiple facet restrictions per data range
> Hello,
> The DatatypeRestriction class from the conceptual specification could easily be extended to allow for
> multiple facets and
> restriction values. More concretely, Figure 5 could be changed to make the association between
> DatatypeRestriction and Constant of
> cardinality 1 : n and to parameterize the association with a facet.
> Semantically, such multiple facets would be interpreted conjunctively: the resulting datatype is
> obtained by restricting dataRange
> with ALL facets.
> The XML and the RDF syntaxes could easily be extended to reflect this conceptual change.
> The main benefit of this change is that it would be much easier to create data ranges. Currently, you
> need to next descriptions,
> which can be cumbersome in practice.
> Regards,
> 	Boris
Received on Wednesday, 21 November 2007 17:49:20 UTC

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