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

Re: Issue rdfms-boolean-valued-properties

From: Pat Hayes <phayes@ai.uwf.edu>
Date: Wed, 14 Nov 2001 20:25:27 -0600
Message-Id: <p0510105cb818d74b4087@[]>
To: Brian McBride <bwm@hplb.hpl.hp.com>
Cc: w3c-rdfcore-wg@w3.org
>   http://www.w3.org/2000/03/rdf-tracking/#rdfms-boolean-valued-properties
>requests a standard way to represent boolean valued properties and 
>suggests the definition of rdf:is and rdf:isNot properties to meet 
>this need.
>Propose that as schema data types define a boolean data value, this 
>issue be merged with:
>   http://www.w3.org/2000/03/rdf-tracking/#rdfs-xml-schema-datatypes

Hmm, not sure I agree. That is one way to do it, but another would be 
to say that a boolean-valued property should be identified with a 
class; the property is true of aaa iff aaa is in the class. The 
example of ChocolateLover certainly suggests this to me. Then rdf:is 
would be rdf:type.


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Received on Wednesday, 14 November 2001 21:25:23 UTC

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