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RE: ONT RE: Ontology case study




Dear Chris,

As someone who has worked in the field of computer control, I
am familiar with how computers interact with the outside world,
not forgetting that their internal processes are something happening
too.


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: Chris Partridge [mailto:chris_partridge@csi.com]
> Sent: 30 May 2002 10:29
> To: ontology@ieee.org
> Subject: RE: ONT RE: Ontology case study
> 
> 
> 
> Matthew,
> 
> ChrisM's example may not have been felicitous, but I presume 
> you are not
> arguing that computers do not do things.
> 
> ChrisP
> 
> -----Original Message-----
> From: owner-ontology@majordomo.ieee.org
> [mailto:owner-ontology@majordomo.ieee.org]On Behalf Of West, Matthew R
> SITI-ITPSIE
> Sent: 30 May 2002 11:47
> To: ontology@ieee.org
> Subject: RE: ONT RE: Ontology case study
> 
> 
> 
> Dear Chris P & M,
> 
> Just to get our feet back on the ground, no amount of anything in
> a system inevitably results in John drinking. The best you can
> hope for is that John reads some output that advises him to drink
> and he chooses to take the advice.
> 
> There are things that computers automate, but this is not one of them
> (yet).
> 
> 
> 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: Chris Partridge [mailto:chris_partridge@csi.com]
> > Sent: 30 May 2002 08:03
> > To: ontology@ieee.org
> > Subject: RE: ONT RE: Ontology case study
> >
> >
> >
> > ChrisM,
> >
> > But what is the logical status of "Drinks(john)"?
> > It seems to me to need some more work. Surely John needs to
> > be indexical to
> > work. If I am John then this may be true, if John is someone
> > else it does
> > not seem to logically follow. I am not sure that "e.g.,
> > operators that can
> > form proposition-denoting terms from sentences. " buys you
> > this - but would
> > be pleased if it did. Can you explain?
> > It seems to me that databases systems can do 'practical
> > reasoning', but
> > cannot explain how (a serious crime in academic circles?),
> > whereas FOL does
> > not - but can explain what it does.
> > ChrisP
> >
> > -----Original Message-----
> > From: owner-ontology@majordomo.ieee.org
> > [mailto:owner-ontology@majordomo.ieee.org]On Behalf Of Chris Menzel
> > Sent: 30 May 2002 01:03
> > To: Chris Partridge
> > Cc: ontology@ieee.org
> > Subject: Re: ONT RE: Ontology case study
> >
> >
> >
> > On Wed, May 29, 2002 at 05:31:28PM -0500, I wrote:
> > > If, however, you simply take a practical syllogism to end in a
> > > conclusion that *specifies* an action, or a judgment or
> > decision about
> > > a course of action, then of course FOL can "do" practical 
> reasoning,
> > > e.g.,
> > >
> > > John wishes to slake his thirst.
> > > John believes that by taking a drink he'll slake his thirst.
> > > Therefore, John takes (or decides to take, or ought to
> > take) a drink.
> >
> > I didn't say enough here.  What ChrisP said is true in the 
> sense that
> > standard FOL requires supplementation with further operators
> > in order to
> > represent arguments like the above, e.g., operators that can form
> > proposition-denoting terms from sentences.  My point is that
> > this can be
> > done in a first-order context.  For example, suppose we let
> > [...] be an
> > operator that forms terms of the sort just mentioned.  Then, taking
> > John's thirst to be something we can refer to (a state of
> > John, or some
> > such thing), the argument above can be rendered as:
> >
> > Wishes(john,[Slaked(thirst-of(john))])
> > Bel(john,[Drinks(john) -> Slaked(thirst-of(john))])
> > Drinks(john)
> >
> > Or something like that.
> >
> > -chris
> >
> >
> 
>