At 04:34 AM 1/24/2006, you wrote:
>As a part of the OMG business process metamodel submitters group I can
>report one item that has NO controversy - processes have parts and these
>parts change over time. (01)
Not quite true, I'm afraid.
Certainly processes have parts (subprocesses).
And which subprocesses of a process are unfolding changes from one
time to another.
But neither a process nor its subprocesses change over time.
This is because a process/subprocess IS a change over time.
It is continuants (objects) which change over time, by undergoing processes. (02)
BS (03)
>-----Original Message-----
>From: ontac-dev-bounces@xxxxxxxxxxxxxx
>[mailto:ontac-dev-bounces@xxxxxxxxxxxxxx] On Behalf Of Charles D Turnitsa
>Sent: Monday, January 23, 2006 11:04 AM
>To: ONTAC Taxonomy-Ontology Development Discussion
>Subject: RE: [ontac-dev] Type vs. Class -- Please vote
>
>
>Some comments below concerning the discussion about parts of objects,
>processes, etc.
>
>Original comments below by Barry Smith:
>-----ontac-dev-bounces@xxxxxxxxxxxxxx wrote: -----
> >The details are supplied in full in:
> >
> > http://ontology.buffalo.edu/smith/articles/SNAP_SPAN.pdf
> >
> >Basically, all instance-level x part_of y
> >assertions for 3D objects are indexed by times.
> >This is not necessary for 4D objects, since
> >processes do not gain and lose parts over time.
>
>My comment here, is concerning processes. I can envision a 4D object
>(process) having component parts (sub-processes?). In that case, should we
>not also concerning indexing x part_of y (where y is a process) also by
>time? The alternative seems to suggest that all processes (and
>sub-processes) are without time boundary.
>
>Chuck Turnitsa
>
>
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