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Re: the precondition property in OWL-S 1.0

From: Sheila McIlraith <sam@ksl.Stanford.EDU>
Date: Sun, 9 Nov 2003 08:34:03 -0800 (PST)
To: Monika Solanki <monika@dmu.ac.uk>
Cc: David Martin <martin@ai.sri.com>, <public-sws-ig@w3.org>
Message-ID: <Pine.GSO.4.44.0311090833010.8459-100000@ksl.Stanford.EDU>


Monika wrote

> David wrote:
>
> > I also agree, except note that there are 2 proposals "on the table":
> >
> > I think Monika suggested this:
> >
> >     Process - hasPrecondition - Precondition
> > where Precondition is a subclass of Condition
> >
> > whereas Drew seems to be suggesting this:
> >
> >     Process - hasPrecondition - Condition
> >
> > (with no Precondition class anywhere).
>
> I think we should retain the Precondition class and the hasPrecondition
> property. This is because, although Precondition is effectively a
> Condition, however it is a "special" kind of Condition. In the process
> model, Condition is a general thing, which  is also  used for
> Conditional Effects and Conditional Outputs.


I agree. We may want to syntactically restrict the types of preconditions
we have.  This affords us that flexibility.

Sheila
Received on Sunday, 9 November 2003 11:34:15 GMT

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