<Homer_Simpson_Voice>D'oh!!!!</Homer_Simpson_Voice> (01)
I just got back from vacation and have a habit of skipping ahead in
threads. I missed that. Apologies. (02)
;-) (03)
McCarthy, William wrote: (04)
>Thanks for the compliment Duane, but I suspect the McCarthy here
>mentioned by Chris is the eminent AI scientist John (who I wish was
>related to me but doesn't seem to be unfortunately).
>
>Bill McCarthy
>
>
>
>-----Original Message-----
>From: ontolog-forum-bounces@xxxxxxxxxxxxxxxx
>[mailto:ontolog-forum-bounces@xxxxxxxxxxxxxxxx] On Behalf Of Duane
>Nickull
>Sent: Wednesday, July 06, 2005 2:28 PM
>To: [ontolog-forum]
>Subject: Re: [ontolog-forum] Context, at last!
>
>Some of Bill's work has been embraced in the UN/CEFACT CCTS work. That
>is available as an ISO 15000-* standard.
>
>The basic idea is that x is defined as [definition of x] valid within
>[context]. In the CCTS context framework, a business context is made up
>
>of an 8 dimensional array of context 'drivers'. I place a quote around
>'drivers' since they are more like qualifiers to me.
>
>The core components themselves are context agnostic. They inherit from
>the CC data types and are specialized based on words from the Oxford
>dictionary. An example is "integer" becomes a Core Component of
>"amount". It is still not something that is used in a specific business
>
>vocabulary until you define the context of usage which includes (at
>current iteration) business process, role, geo-political, etc context
>classifiers. To use the previous example, "amount" could become
>"invoice total" if used in a procurement process by the "purchaser" in
>an english speaking location.
>
>Duane
>
>Christopher Menzel wrote:
>
>
>
>>> Is there any particular theory of context that you find especially
>>>convincing?
>>>
>>>
>>Well, "context" itself is such a weasel word that there's no one
>>account that does it all. Various theories have different strengths
>>and highlight different aspects of context. There are several people
>>
>>
>
>
>
>>currently doing some very promising work based on McCarthy's original
>>
>>
>
>
>
>>ideas (http://citeseer.ist.psu.edu/mccarthy93notes.html), but I'm not
>>
>>
>
>
>
>>sure anything is available for public consumption yet; I'll pass
>>anything on that I hear about. McCarthy's former students Sasa Buvac
>>
>>
>
>
>
>>and Ian Mason did some nice model theoretic work that captures some
>>of the more important of McCarthy's intuitions (http://
>>citeseer.ist.psu.edu/buvac93propositional.html; http://
>>citeseer.ist.psu.edu/245732.html; http://citeseer.ist.psu.edu/
>>8458.html). I also like some of the things that Fausto Giunchiglia
>>has done quite a lot. His work stresses the intentional side of the
>>
>>
>
>
>
>>idea of context, where contexts are thought of, roughly, as sets of
>>beliefs: http://dit.unitn.it/~fausto. By contrast, inspired by both
>>McCarthy and situation theory, I develop a nonintentional notion of
>>context, on which contexts are spatio-temporally extended pieces of
>>the world in "The Objective Conception of Context and Its Logic"
>>(Minds and Machines 9 (1999) pp. 29-56, online at http://
>>philebus.tamu.edu/cmenzel/Papers/mm-paper.pdf).
>>
>>Useful surveys are found in Patrick Brezillon's "Context in
>>Artificial Intelligence: I. A Survey of the literature" (http://
>>citeseer.ist.psu.edu/502745.html) and Akman and Surav's "Steps Toward
>>
>>
>
>
>
>>Formalizing Context" (http://citeseer.ist.psu.edu/akman96steps.html).
>>
>>-chris
>>
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