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RE: SUO: Re: Formal SUMO Draft




Dear Adam,

A conformant ontology or information model might simply refer to
the SUO for the axioms/definition of a term T.


Matthew West
Principal Consultant
Shell Information Technology International Limited
Shell Centre, London SE1 7NA, United Kingdom

Tel: +44 20 7934 4490 Other Tel: +44 7796 336538
Email: matthew.r.west@is.shell.com
Internet: http://www.shell.com


> -----Original Message-----
> From: Adam Pease [mailto:apease@ks.teknowledge.com]
> Sent: 02 February 2002 00:18
> To: standard-upper-ontology@ieee.org
> Subject: Re: SUO: Re: Formal SUMO Draft
> 
> 
> 
> Folks,
>    In response to both on-line and off-line comments on the 
> conformance 
> clause, I've updated the documented and posted it.  For 
> reference, the new 
> clause reads
> 
> Implementations of SUO are "ontologies" or "information models".
> A conforming implementation is an ontology or information 
> model O such that 
> all three of the following rules are satisfied:
> 
> 1.      For every term T occurring in both O and the SUO, the 
> axioms for T 
> in O must be exactly those axioms for T in the SUO whose 
> component terms 
> all occur in the language of O.
> 
> 2.      Every term T in O
>    a.    appears in the SUO, or
>    b.    has axioms in O and the axioms are well-formed 
> formulas of SUO-KIF 
> (or when translated from the language used for O into SUO-KIF is a 
> well-formed formula of SUO-KIF) containing only the most specific 
> appropriate terms which are axiomatized in the SUO or
>    c.    is axiomatized in using terms which have property 2b.
> 
> 3.      O is internally consistent and it is consistent with 
> the SUO: a 
> contradiction cannot be derived by means of first-order logic 
> from the set 
> of statements belonging either to O or to the SUO.
> 
> Constructive comments welcomed.  Especially helpful are 
> specific proposed 
> rewordings.
> 
> Adam
> 
> At 09:14 AM 2/1/2002 -0800, Adam Pease wrote:
> 
> >Folks,
> >   The compliance conditions are not intended to stipulate 
> any particular 
> > language as being required for a conforming ontology.  I 
> can see that the 
> > wording might lead one to believe that so I'll suggest an 
> alternate wording.
> >
> >2.      Every term T in O appears in the SUO or it has a 
> definition in O 
> >and the definition is a well-formed formula of SUO-KIF (or 
> when translated 
> >from the language used for O into SUO-KIF) containing only 
> terms which are 
> >definable in the SUO.
> >
> >
> >Adam
> >
> >At 09:36 AM 2/1/2002 -0600, Pierluigi Miraglia wrote:
> >
> >>On Fri, Feb 01, 2002 at 12:52:01AM -0500, Jon Awbrey wrote:
> >> >
> >> > ¤~~~~~~~~~¤~~~~~~~~~¤~~~~~~~~~¤~~~~~~~~~¤~~~~~~~~~¤
> >> >
> >> > SUO WG Members,
> >> >
> >> > In my opinion it is a fundamental mistake to specify
> >> > a particular logical language, for example, KIF or
> >> > any other, as a part of the compliance conditions.
> >> > This would be as bad a practice as stipulating
> >> > that a compliant ontology has to be written in
> >> > English as opposed to French or German, or to
> >> > use an even more notorious analogy, that
> >> > a program has to be written in ADA.
> >> >
> >> > Requirements should be specified at a higher level
> >> > of abstraction and generality than any particular
> >> > ontology oriented logical formalism.
> >>
> >>Adding my $0.02, I agree with J.A.: I must say that I still have
> >>misgivings about the very idea of 'standard' ontologies all 
> along, but
> >>aside from that it seems that the point of an ontology is 
> primarily to
> >>serve as an abstraction layer for _content_.
> >>
> >>Perhaps a better compliance condition could be formulated 
> in terms of
> >>traslatability or 'representability'. An ontology is 
> compliant iff (i) it
> >>is formulated in _a_ language with features X, Y, Z and (ii) it is
> >>accompanied by a translation manual into the 'standard framework'.
> >>
> >>
> >> >
> >> > Among the more deleterious side-effects of
> >> > thinking in only one language is a constant
> >> > tendency to confuse that language with reality.
> >> >
> >> > Jon Awbrey
> >> >
> >> > ¤~~~~~~~~~¤~~~~~~~~~¤~~~~~~~~~¤~~~~~~~~~¤~~~~~~~~~¤
> >> >
> >> > Adam Pease wrote:
> >> > >
> >> > > Folks,
> >> > > A while back we had some discussion about conformance clauses.
> >> > > Frank Farance and others also had some good input on sections
> >> > > that would need to be included in a formal draft SUO.  Ian and
> >> > > I have put together a document that attempts to meet this need
> >> > > and incorporates as much of the input we've been given 
> as possible.
> >> > > I've posted the draft at:
> >> > >
> >> > > http://ontology.teknowledge.com:8080/rsigma/FormalSUOdraft.rtf
> >> > >
> >> > > Note that to keep the document to a reasonable size 
> for downloading,
> >> > > I've referenced, but not included the latest SUMO 
> draft that would
> >> > > be part of a final version of the document.
> >> > >
> >> > > Constructive feedback would be welcome.
> >> > >
> >> > > Adam
> >> > >
> >> > > Adam Pease
> >> > > Teknowledge
> >> > > (650) 424-0500 x571
> >> >
> >> > ¤~~~~~~~~~¤~~~~~~~~~¤~~~~~~~~~¤~~~~~~~~~¤~~~~~~~~~¤
> >>
> >>--
> >>- - - - * * * * * - - - - * * * * * - - - - * * * * * - - - -
> >>Pierluigi Miraglia                  Cycorp, Inc.
> >>Ontological Engineer                3721 Executive Center Dr.
> >>(512) 514-2988                      Austin, TX 78731
> >
> >Adam Pease
> >Teknowledge
> >(650) 424-0500 x571
> 
> Adam Pease
> Teknowledge
> (650) 424-0500 x571
>