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Re: Explicit RDF property for "literal has datatype D"?

From: Pat Hayes <phayes@ihmc.us>
Date: Mon, 6 Jul 2009 15:46:35 -0500
Cc: Toby A Inkster <tai@g5n.co.uk>, Christoph LANGE <ch.lange@jacobs-university.de>, Semantic Web <semantic-web@w3.org>, Siarhei Uladzimiravich Kuryla <s.kuryla@jacobs-university.de>
Message-Id: <5E164C03-93AD-4ED1-9049-EF524829F621@ihmc.us>
To: Jeremy Carroll <jeremy@topquadrant.com>

On Jul 6, 2009, at 12:43 PM, Jeremy Carroll wrote:

> Pat Hayes wrote:
>>>
>>>> p a rdf:Property ;
>>>> rdfs:domain rdfs:Literal ;
>>>> rdfs:range rdfs:Datatype .
>>>
>>
>>
>> _:x p xsd:date .
>> _:x :seenAsLiteral  "2008-01-01" .
> I tend to write these examples as
>
> _:x p xsd:date .
> _:x owl:sameAs  "2008-01-01" .
>
> Semantically that has a literal as the subject, and it works around  
> the legacy syntactic restriction

True, and that is better.

>
> Unfortunately the reasoning required to make this work means that  
> simple RDF systems may well not get it.

Just doing sameAs substitution isnt itself a very heavy reasoning  
burden, though.

Pat


>
> Jeremy
>
>
>

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Received on Monday, 6 July 2009 20:47:49 UTC

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