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Fwd: XMLLiteral

From: pat hayes <phayes@ai.uwf.edu>
Date: Fri, 7 Feb 2003 13:29:22 -0600
Message-Id: <p05111b09ba69b76fa323@[10.0.100.86]>
To: bwm@hplb.hpl.hp.com
Cc: w3c-rdfcore-wg@w3.org

Brian, can you add a Comment under Semantics called  pjh-01 linked to 
this, to the effect that the Semantics document should have some 
prose added to section 3.4 to clarify this point (that RDF doesn't 
provide any way to define new datatypes).

http://lists.w3.org/Archives/Public/www-rdf-comments/2003JanMar/0209.html
http://lists.w3.org/Archives/Public/www-rdf-comments/2003JanMar/0210.html

I think we need to make this very clear, it's obviously not spelled 
out adequately at present.

This is related to pfps-09, you can make it the same comment if you prefer.

Thanks

Pat
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>From: Olivier Corby <Olivier.Corby@sophia.inria.fr>
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>Subject: XMLLiteral
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>In RDF Semantics, rdf:XMLLiteral is said to be a built-in datatype with
>special meaning.
>
>It is also said that datatypes are classes. Hence it is possible to define a
>subclass of a datatype.
>
>Now, if one defines a new datatype  as a subclass of rdf:XMLLiteral  :
>
>ex:MyXMLLiteral rdf:type rdfs:Datatype
>
>ex:MyXMLLiteral rdfs:subClassOf rdf:XMLLiteral
>
>
>Does ex:MyXMLLiteral play the same role as rdf:XMLLiteral ?
>
>In this case, the semantics should take this into account, for example here :
>
>''Since language tags play no role in the meaning of a typed literal, they can
>in practice be ignored, and any literal of the form "sss"@ttt^^ddd, where ddd
>is not rdf:XMLLiteral, treated as identical to the same literal without the
>language tag, "sss"@ddd.''
>
>Olivier Corby
>
>---
>Olivier Corby, Acacia project, INRIA Sophia Antipolis
>email : Olivier.Corby@sophia.inria.fr tel : +33 4 92 38 78 71
>http://www.inria.fr/acacia/personnel/corby


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Received on Friday, 7 February 2003 14:29:26 EST

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