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Re: DAML-S ProcessModel

From: Drew McDermott <drew.mcdermott@yale.edu>
Date: Tue, 20 May 2003 13:00:47 -0400 (EDT)
Message-Id: <200305201700.h4KH0lA14966@pantheon-po04.its.yale.edu>
To: www-ws@w3.org

   The requester specifies its "desired outcome", e.g., 
   "I want to buy a book of J.R.R. Tolkien". 
   In the cyberspace it means that "an invoice for a book 
   of Tolkien is delivered to the requester". 

Why not go all the way and say that the formal meaning of the goal is 
(informally!) "I own a book by Tolkien (that I didn't already own)"?

   The "desired outcome" must be expressed in a common 
   generic conversation language. 
   (As far as I know there are no means to express 
   explicitly the "desired outcome" in DAML-S)

DAML-S provides for goal statements, but as yet does not specify a way
to express them.  An appendix (which I wrote) suggests a syntax
somewhat compatible with RDF, but I am sure genuine extensions to RDF
will eventually be endorsed by the W3C.  In any case, the real issue
is, as you said, a common language, that is, a common vocabulary or
"ontology."  There will probably never be a vocabulary agreed upon by
everyone, but it's certainly reasonable to assume that there will be a
core ontology with terms such as "owns," "pays," and such.

                                             -- Drew McDermott
Received on Tuesday, 20 May 2003 13:00:52 UTC

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