Re: <owl:FunctionalProperty rdf:ID="FOO"> --> Object or DatatypeProperty? from Peter F. Patel-Schneider on 2003-03-31 (www-rdf-logic@w3.org from March 2003)

From: Peter F. Patel-Schneider <pfps@research.bell-labs.com>
Date: Mon, 31 Mar 2003 09:04:02 -0500 (EST)
To: costello@mitre.org
Cc: www-rdf-logic@w3.org
Message-Id: <20030331.090402.74185680.pfps@research.bell-labs.com>

From: "Roger L. Costello" <costello@mitre.org>
Subject: Re: <owl:FunctionalProperty rdf:ID="FOO"> --> Object or DatatypeProperty?
Date: Sun, 30 Mar 2003 17:48:13 -0500

> 
> "Peter F. Patel-Schneider" wrote:
> > 
> > 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.
> 
> Understood.  Assuming OWL Full, then how do you know whether the
> FunctionalProperty is an ObjectProperty, or a DatatypeProperty?  /Roger
> 

You never needed to.  

Actually, recent changes to the RDF model theory means that *all*
properties in OWL Full are object properties, even ones like
rdfs:subClassOf and rdfs:comment.

peter

Received on Monday, 31 March 2003 09:04:14 UTC