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Re: [ontolog-forum] Fwd: [New post] The Newest from SOA: The SOA Ontolog

To: <gruninger@xxxxxxxxxxxxxxx>, "'[ontolog-forum] '" <ontolog-forum@xxxxxxxxxxxxxxxx>
From: "Matthew West" <dr.matthew.west@xxxxxxxxx>
Date: Tue, 21 Dec 2010 07:39:06 -0000
Message-id: <4d10599c.8a1ce30a.21af.ffffc3d2@xxxxxxxxxxxxx>
Dear Michael,    (01)

Then the best you can say is that the example is ambiguous. Still not good.    (02)

Regards    (03)

Matthew West                                (04)

> Hi Chris,
> this example is not so clear-cut, since there it is possible
> to interpret these statements within a process ontology
> such as PSL:
> 
>  . Jack and John are instances of Actor
>  . Task is an subclass of Activity
>  . WashWindows is an instance of Task
>  . PushWashButton is an instance of Task
>  . there is an occurrence of WashWindows done by John
>  . there is an occurrence of PushWashButton done by Jack
> 
> Admittedly, there is no explicit process ontology in the original
> example that employs the distinction between activities and their
> occurrences, but my point is that there is no need to
> say that WashWindows and PushWashButton are classes.
> 
> - michael
> 
> Quoting Christopher Menzel <cmenzel@xxxxxxxx>:
> 
> > From the Car Wash
> > example 3.3.2.4:
> >
> > As an important part of the car wash system, John and Jack perform
certain
> > manual tasks required for washing a car properly:
> >
> > . Jack and John are instances of Actor
> > . WashWindows is an instance of Task and is done by John
> > . PushWashButton is an instance of Task and is done by Jack
> >
> > Seems to me from the brief description that WashWidows and
PushWashButton
> are
> > supposed to be classes whose instances are actual atomic tasks - John's
> > actual window-washings and Jack's actual wash-button-pushings.  If so,
then
> > it seems to me that the little ontology fragment above is wrong and
that,
> > instead of the second and third lines, they should have:
> >
> > . WashWindows is a subclass of Task
> > . Instances of WashWindows are done by John
> > . PushWashButton is a subclass of Task
> > . Instances of PushWashButton are done by Jack
> >
> > Or something like that.
> >
> 
> 
> 
> 
> 
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>     (05)


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