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Re: Property with no range ... ObjectProperty or DatatypeProperty?

From: Dan Connolly <connolly@w3.org>
Date: Sun, 02 Mar 2003 08:43:03 -0600
To: "Roger L. Costello" <costello@mitre.org>
Cc: www-webont-wg@w3.org
Message-id: <1046616182.9377.193.camel@dirk.dm93.org>

On Sun, 2003-03-02 at 07:02, Roger L. Costello wrote:
> Hi Folks,
> Suppose that I want to define a property without an rdfs:range.  Thus,
> the property can have any value - a string (datatype) value or an object
> value.  Right?

In OWL Full, yes...

>   Then how do I define the property - as an
> owl:ObjectProperty or as an owl:DatatypeProperty?

neither. owl:ObjectProperty excludes string values,
and owl:DatatypeProperty excludes non-datatype values.

So you can't make an OWL DL/Lite ontology with
such a beast.

In OWL Full, it's just an ordinary rdf:Property.

>   /Roger
Dan Connolly, W3C http://www.w3.org/People/Connolly/
Received on Sunday, 2 March 2003 09:42:55 UTC

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