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Re: [ontolog-forum] Context, at last!

To: "[ontolog-forum]" <ontolog-forum@xxxxxxxxxxxxxxxx>
From: Duane Nickull <dnickull@xxxxxxxxx>
Date: Wed, 06 Jul 2005 11:52:50 -0700
Message-id: <42CC2882.7000403@xxxxxxxxx>
<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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