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Re: Extending daml+oil with concrete datatypes

From: Stefan Decker <stefan@db.stanford.edu>
Date: Tue, 23 Jan 2001 13:27:50 -0800
Message-Id: <>
To: "Peter F. Patel-Schneider" <pfps@research.bell-labs.com>, heflin@cs.umd.edu
Cc: www-rdf-logic@w3.org
At 03:57 PM 1/23/2001 -0500, Peter F. Patel-Schneider wrote:
>We don't have to give semantics to the green-brown example, it just
>falls out from the semantic definitions.  Also, it is hard to forbid the
>double-property restrictions, again because of problems with RDF.

Wouldn't a cardinality constraint for the restriction definition
in the DAML specification do the job of forbidding double-property 

Received on Tuesday, 23 January 2001 16:28:41 UTC

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