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RE: [ontac-forum] Semantic Interoperability: Sowa's Collectionof Modules

To: "ONTAC-WG General Discussion" <ontac-forum@xxxxxxxxxxxxxx>
Cc: "Chris Reading (E-mail)" <consult@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
From: "West, Matthew R SIPC-DFD/321" <matthew.west@xxxxxxxxx>
Date: Fri, 25 Nov 2005 13:47:06 -0000
Message-id: <A94B3B171A49A4448F0CEEB458AA661F02A80AE1@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
Dear Barry,    (01)

Can I just check this:    (02)

> >     For example, a general ontology should be neutral with
> >     respect to 3-D or 4-D models of space-time, situation
> >     calculus vs. pi calculus, or continuant-based vs.
> >     process-oriented ontologies.
> I agree. BFO has two modules, one 3-D (defined for representing 
> continuants), one 4-D (designed for representing processes), together 
> with relations between them. Users are welcome to use either both 
> modules together, or just one of them, according to preference.    (03)

Previously, your position has been that physical objects must be dealt
with as occurants (admiting that their life-process was a continuant).
And that certain things could only be said within the 3D view.    (04)

Do I correctly understand that you have changed this position to admit
that a pure 4D view is allowed?    (05)

Regards    (06)

Matthew West
Reference Data Architecture and Standards Manager
Shell International Petroleum Company Limited
Shell Centre, London SE1 7NA, United Kingdom    (07)

Tel: +44 20 7934 4490 Mobile: +44 7796 336538
Email: matthew.west@xxxxxxxxx
http://www.matthew-west.org.uk/    (08)

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