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Re: "Define" a class, or "Declare" a class? "Define" a property, or "Declare" a property?

From: Steven Gollery <sgollery@cadrc.calpoly.edu>
Date: Wed, 05 Mar 2003 10:41:03 -0800
Message-ID: <3E6644BF.6010906@cadrc.calpoly.edu>
To: www-rdf-logic@w3.org

Peter F. Patel-Schneider wrote:

>From: "Roger L. Costello" <costello@mitre.org>
>Subject: "Define" a class, or "Declare" a class? "Define" a property, or "Declare" a property?
>Date: Wed, 05 Mar 2003 08:06:43 -0500
>>Hi Folks,
>>XML Schema distinguishes between "defining" and "declaring", e.g.,
>>you "define" types, but you "declare" elements.  Does OWL make such a
>>distinction?  That is, do you "define" a class, or do you "declare" a
>>class?  Do you "define" a property, or do you "declare" a property?
>>Thanks!  /Roger
>Well, OWL does *not* have a notion of the definition of anything.
What would be the right verb, then? For instance, the OWL Guide says:

This document demonstrates the use of the OWL language to

   1. formalize a domain by defining classes and properties of those
   2. define individuals and assert properties about them, and

What would be appropriate in place of "defining" and "defines"?

Steven Gollery

>does require a division of properties between object-valued properties and
>data-valued properties.  You might consider the part of an OWL DL ontology
>that provides this information as declarations of OWL properties.
>In summary, however, the answers to your questions are 
>	NO
Received on Wednesday, 5 March 2003 14:14:24 UTC

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