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Re: LANG: Proposal to close ontology versioning (ISSUE 5.14)

From: Dan Connolly <connolly@w3.org>
Date: 03 Dec 2002 09:17:12 -0600
To: Jeff Heflin <heflin@cse.lehigh.edu>
Cc: Massimo Marchiori <massimo@w3.org>, WebOnt <www-webont-wg@w3.org>
Message-Id: <1038928633.5193.12018.camel@dirk>

On Tue, 2002-12-03 at 09:06, Jeff Heflin wrote:
[...]
> Massimo, this is a really good point that I hadn't considered. If
> Automobile is the sameClassAs Car, and Car is a subClassOf
> DeprecatedClass does that make Automobile a DeprecatedClass?

no.

> If so, then
> my example is broken. However, I don't think the semantics work that
> way. I've looked at our semantic documents and it seems that
> owl:sameClassAs only means that two classes have the same extension
> (i.e., they have the same members). As far as I can tell, it says
> nothing about whether properties of the classes are the same.

Exactly right.

> Pat or
> Peter, can you correct me if I'm wrong on this?


-- 
Dan Connolly, W3C http://www.w3.org/People/Connolly/
Received on Tuesday, 3 December 2002 10:17:16 GMT

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