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Re: Partially defined concepts

From: David Menendez <zednenem@psualum.com>
Date: Fri, 14 May 2004 01:42:27 -0400
To: Ander Altuna/LABEIN <aaltuna@labein.es>
Cc: www-rdf-interest@w3.org
Message-id: <r02000200-1033-7C3C2126A56911D8AC0B000393758032@[]>

Ander Altuna/LABEIN writes:

> But then, if australian employee is a just a subclass of employee, we
> can`t define the value of the property nationality. The subclass
> australian employee would have the propertiy nationality without
> defining. Can't we define a subconcept associating a value to some
> properties, so any instance of this subconcept would have some values
> predefined?

You want OWL for this.

    <owl:Class rdf:about='http://example.org#australian'>
      <rdfs:subClassOf rdf:resource='http://example.org#employee'/>

With this definition, if you have:

    _:x rdf:type example:australian.

You can infer:

    _:x example:nationality "australian".
David Menendez <zednenem@psualum.com> <http://www.eyrie.org/~zednenem/>
Received on Friday, 14 May 2004 01:43:58 UTC

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