W3C home > Mailing lists > Public > w3c-rdfcore-wg@w3.org > November 2001

RE: Answer to the question: What is a "value" to RDF

From: <jos.deroo.jd@belgium.agfa.com>
Date: Fri, 16 Nov 2001 22:43:28 +0100
To: Patrick.Stickler@nokia.com
Cc: Graham.Klyne@MIMEsweeper.com, melnik@db.stanford.edu, phayes@ai.uwf.edu, w3c-rdfcore-wg@w3.org
Message-Id: <OF3CDFD11C.A30BEE32-ON41256B06.0075A92C@bayer-ag.com>

[...]
>
> Am I the only one to see a conflict here? (though that may
> not be so surprising ;-)
>
> I.e. what is the interpretation of the following knowledge:
>
>    x s:age "P12Y" .
>    s:age rdfs:range xsd:duration .
>    s:age rdfs:subPropertyOf xsd:duration .
>
> According to the S proposal, either range or subproperty
> relations can define type. Which is it going to be? Both?!


I think that in the S-idiom it is (just)

  x s:age [ xsd:duration "P12Y"] .

and
  s:age rdfs:range [ is rdfs:domain of xsd:duration ] .

and
  xsd:duration rdfs:range [ is rdfs:domain of xsd:string ] .

(datatypes in the S-idiom are properties, that S-imple ;-)

--
Jos De Roo, AGFA http://www.agfa.com/w3c/jdroo/
Received on Friday, 16 November 2001 16:48:28 EST

This archive was generated by hypermail pre-2.1.9 : Wednesday, 3 September 2003 09:42:45 EDT