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Re: <owl:FunctionalProperty rdf:ID="FOO"> --> Object or Datatype Property?

From: Peter F. Patel-Schneider <pfps@research.bell-labs.com>
Date: Sun, 30 Mar 2003 12:54:14 -0500 (EST)
Message-Id: <20030330.125414.74175765.pfps@research.bell-labs.com>
To: costello@mitre.org
Cc: www-rdf-logic@w3.org

From: "Roger L. Costello" <costello@mitre.org>
Subject: <owl:FunctionalProperty rdf:ID="FOO"> --> Object or Datatype Property?
Date: Sun, 30 Mar 2003 08:23:53 -0500

> 
> Hi Folks,
> 
> Does this:
> 
> <owl:FunctionalProperty rdf:ID="FOO">
>       <rdfs:domain rdf:resource="ABC" />
>       <rdfs:range  rdf:resource="XYZ"/>
> </owl:FunctionalProperty>
> 
> mean this:
> 
> <owl:DatatypeProperty rdf:ID="FOO">
>       <rdf:type rdf:resource="&owl;#FunctionalProperty"/>
>       <rdfs:domain rdf:resource="ABC" />
>       <rdfs:range  rdf:resource="XYZ"/>
> </owl:DatatypeProperty>
> 
> or does it mean this:
> 
> <owl:ObjectProperty rdf:ID="FOO">
>       <rdf:type rdf:resource="&owl;#FunctionalProperty"/>
>       <rdfs:domain rdf:resource="ABC" />
>       <rdfs:range  rdf:resource="XYZ"/>
> </owl:ObjectProperty>
> 
> How do you know?  /Roger

It can't be determined in OWL Lite or OWL DL, and thus the first bit of
syntax is not in OWL Lite or in OWL DL.  It is only in OWL Full.

peter
Received on Sunday, 30 March 2003 12:54:22 GMT

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