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Re: Even more Fuzzy about FunctionalProperty!

From: Peter F. Patel-Schneider <pfps@research.bell-labs.com>
Date: Wed, 05 Mar 2003 09:15:10 -0500 (EST)
Message-Id: <20030305.091510.17080639.pfps@research.bell-labs.com>
To: costello@mitre.org
Cc: www-rdf-logic@w3.org

From: "Roger L. Costello" <costello@mitre.org>
Subject: Even more Fuzzy about FunctionalProperty!
Date: Wed, 05 Mar 2003 08:01:27 -0500

> Hi Folks,
> 
> The more that I ponder FunctionalProperty the more convinced that I
> don't understand what it means.  Below I give an example of a property
> which I figured to be a prime candidate for being declared as a
> FunctionalProperty:
> 
> Let the property be: lengthOf
>   - it maps a River to a Distance
> 
> Suppose that one instance document asserts this:
> 
>     The Yangtze has a lengthOf 6300 kilometers.
> 
> A second instance document then asserts this:
> 
>     The Yangtze has a lengthOf 3937.5 miles.

Well, the above is English, not OWL.  I suggest that you represent the
above in OWL, if possible, and then redo the example.  As it is, your
example brings in too much of the associated meaning of the English
phrases, leading to confusion.

peter
Received on Wednesday, 5 March 2003 09:15:23 GMT

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