• To: <xml-dev@l...>
• Subject: Re: RE: OWL-ish question
• From: "Thomas B. Passin" <tpassin@c...>
• Date: Tue, 29 Jul 2003 20:17:23 -0400
• References: <2484616.1059507018114.JavaMail.nobody@t...>

[Linda Grimaldi]

> Thanks for the reply.  I don't fully understand the caveat, to wit:
>
> If the RDF in my earlier email is used at the ontology level, can I not
create an instance as follows:
> <ClassA rdf:ID="thisClass">
>   <hasMapping rdf:resource="#thatClass">
>       <mappingClass rdf:resource="#mappingClassInstance1"/>
>   </hasMapping>
> </ClassA>
>

Well, you can say whatever you like about your instances, but your OWL
schema did not say that, it only assigned the one resource as the object of
the mappingClass property.

I think you could get what you are after by using allValuesFrom, couldn't
you?  From the OWL Language reference -

 <owl:Restriction>
  <owl:onProperty rdf:resource="#hasParent" />
  <owl:allValuesFrom rdf:resource="#Human"  />
</owl:Restriction>

This can be applied to a class.

Cheers,
Tom P

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