RE: Some thoughts on the semantics of domain and range (was: Re : RDFS bug "A property can have at most one range property") from Bill dehOra on 2000-09-14 (www-rdf-interest@w3.org from September 2000)

From: Bill dehOra <wdehora@cromwellmedia.co.uk>
Date: Thu, 14 Sep 2000 09:43:55 +0100
To: www-rdf-interest@w3.org
Message-ID: <57C6E3244632D411A2F100508BC8079AB68C@juno.interxtechnology.com>

>This conjunctive semantics for domains and ranges in Cyc was in fact a
>problem for the OKBC systems when Cyc knowledge bases were 
>translated into
>frame-based OKBC-compatible KR systems such as Ontolingua and Protege:
>Since domains and ranges of properties had to be maximally general,
>high-level classes had hundreds of slots (properties) that had little
>meaning for that class.
>

Sounds like a problem with the concept of properties as things as much as
anything else.

-Bill de hÓra

Received on Thursday, 14 September 2000 04:45:42 UTC