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Re: Domain/Range Woes

From: Peter F. Patel-Schneider <pfps@research.bell-labs.com>
Date: Wed, 05 Feb 2003 18:47:08 -0500 (EST)
Message-Id: <20030205.184708.121163106.pfps@research.bell-labs.com>
To: rhoads@thrupoint.net
Cc: www-rdf-interest@w3.org

From: "Stephen K. Rhoads" <rhoads@thrupoint.net>
Subject: Re: Domain/Range Woes
Date: Wed, 5 Feb 2003 17:54:59 -0500

> > Well, validation may not be what you get.  If you now state something like
> >
> > <rdf:Description rdf:about="#John">
> >   <name>John</name>
> > </rdf:Description>
> >
> > There is nothing wrong.  All that you have said is that John is either a
> > Person or a ContentProvider (or both).
> 
> But wouldn't a validator spit out an error saying that name cannot be used
> with #John because #John has not been declared to be of type Person or
> ContentProvider -- which is the domain of name?

Well, perhaps if you had a validator, it might do that, but its actions
would not be sanctioned by the OWL semantics.

peter
Received on Wednesday, 5 February 2003 18:47:17 GMT

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