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Re: REQDOC: New Draft

From: Pat Hayes <phayes@ai.uwf.edu>
Date: Thu, 21 Feb 2002 20:33:02 -0600
Message-Id: <p0510141eb89b5dea328d@[65.212.118.219]>
To: Mike Dean <mdean@bbn.com>
Cc: webont <www-webont-wg@w3.org>
>I just read the new draft (Feb 20), as I had the previous
>one (Feb 7).  I'm generally happy with it, but wanted to
>raise a couple concerns before the deadline:
>
>1) The "Explicit ontology extension" section hints that
>ontologies are our primary building blocks rather than
>classes and properties.  I think part of the beauty of
>RDF/DAML+OIL is the ability to use or extend any class or
>property without much concern for the ontology boundaries
>("ontologies" are currently just a loose collection of
>classes and properties sharing a common URI sans fragment).
>I would hate to see this change.

Good point, I agree

>
>2) I fear that the current "Classes as instances"
>description won't convey sufficient understanding to an
>outside reader (a Class is an instance of class Class after
>all).  Perhaps we need to include the A320 aircraft type
>example:  we want to be able to specify certain properties
>(maxSpeed, passengerSeats, range, etc.) common to all A320's
>without having to enumerate them for each instance.

Or some such example, good idea. Might there be an example involving 
types of red apes, also?

Pat
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Received on Thursday, 21 February 2002 21:33:06 GMT

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