At 01:52 PM 5/31/2007, Kashyap, Vipul wrote:
Barry,
Thanks for your e-mail. It was a hastily constructed definition and you have
raised some interesting questions.
1. Does the presence of all participants of a process at a location enough to
define the presence of a process at a location?
Sounds reasonable to me.
2. I do not claim to understand the OBO definition of a biological
process, but
from a computer science point of view, a process running on a
computer can have
states, e.g., activated, terminated, suspended, waiting-for-event, etc. These
states may correlate to some aggregation of states of participants in the
process. But I am not sure of the reason why a process cannot have a state?
It is (it seems to me) the program or algorithm or plan (all
continuants) which is activated.
If a process is suspended or terminated, then surely the process is
not there any more.
And processes do not wait; people (for example) wait.
This terminology of 'states' is not, it seems to me, ontologically clear.
With greetings
Barry
3. Of course the notion of essential state of a participant of a process is
close to the notion of the state of the process.
Look forward to your feedback on this.
Cheers,
---Vipul
=======================================
Vipul Kashyap, Ph.D.
Senior Medical Informatician
Clinical Informatics R&D, Partners HealthCare System
Phone: (781)416-9254
Cell: (617)943-7120
http://www.partners.org/cird/AboutUs.asp?cBox=Staff&stAb=vik
To keep up you need the right answers; to get ahead you need the
right questions
---John Browning and Spencer Reiss, Wired 6.04.95
> -----Original Message-----
> From: Smith, Barry [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, May 30, 2007 7:39 PM
> To: Kashyap, Vipul
> Subject: Re: [Obo-relations] Advancing translational research with the
> Semantic Web (Not clear about definition of <is_location_of_process>)
>
> Processes do not have states. Their participants have states.
> Moreover some states not essential to the process would be enough to
> satisfy your definition. Thus if Ivan's nose is cold and then less
> cold one day on the Minsk front during the 2nd world war, then the
> location of the second world war is Ivan's nose.
> BS
>
> At 10:53 AM 5/30/2007, you wrote:
>
> > > Let me introduce the relation <is_location_of_process> as an example.
> > > <A> <is_location_of_process> <B> means that <A> contains all of the
> > > participants that make up process <B>.
> > > A concrete example for the use of this property would be
> > >
> > > <Human_organism> <is_location_of_process> <blood_circulation> .
> >
> >[VK] I am not sure if I agree with the semantics of
> >"is_location_of_process" as
> >above.
> >
> >If you stick to the definition above, would propose that you rename
> >the relation
> >as:
> >
> ><A> <contains_all_participants_of_process> <B>
> >
> >My definition of <is_location_of_process> is:
> >A <is_location_of_process> <B> if there exists some finite interval of
> time
> >Delta_T and at least two states (potentially idempotent) of the process
> <B>
> >State1 and State2, s.t.
> >The transition of <B> from State S1 to S2 during time Delta_T happens at
> >location <A>
> >
> >Cheers,
> >
> >---Vipul
> >
> >
> >
> >
> >
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