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Re: [ontolog-forum] Looking forward at the past

To: sowa@xxxxxxxxxxx, "[ontolog-forum] " <ontolog-forum@xxxxxxxxxxxxxxxx>
From: jure2@xxxxxxxxxxxx
Date: Mon, 13 Oct 2008 09:08:53 +0100
Message-id: <20081013090853.stptp8gs84owgok0@xxxxxxxxxxxxxxxxx>
plus - you can use analogies and metaphors to bridge the gap - 
lingustic middleware if you like    (01)


Quoting "John F. Sowa" <sowa@xxxxxxxxxxx>:    (02)

> Pat and Don,
>
> I partially agree with that point:
>
> PC> When you try to "interoperate" with a plumber or any other
>> person, your chances of achieving successful communication
>> depend on both of you already sharing a very large basic
>> vocabulary.
>
> But I'd replace "very large" with "an amount varying from
> almost nothing to a great deal".  It would be more accurate to
> say "common assumptions about the subject domain", independent
> of whether those assumptions are stated in a common language
> or even a language of any kind.
>
> I also agree with the following point, but first we have to
> decide how to organize that foundational ontology.
>
> DC> The reason you can effectively communicate with the cast of
>> characters in your examples requires much, much more than the
>> lowest level task common definitions. Many of these things are
>> of the sort that would be in a foundational ontology.
>
> As I have said in various notes, my view of a foundational
> ontology consists of a large, but very sparsely axiomatized
> type hierarchy, which would primarily be based on two relations:
> type/subtype and part/whole.  In fact, it might be better to
> think of it as little more than a well-designed taxonomy and
> meronomy for a large vocabulary.
>
> In addition to those very sparsely axiomatized terms, there must
> be specialized chunks or modules or microtheories of knowledge
> with much more detailed axioms.  I think Don's list is fine,
> and it could be enlarged with a long list of esoteric areas that
> may be critical for certain applications.  But in many cases,
> one party to the dialog may have vastly more knowledge about
> these esoteric topics than the other.
>
> DC> * Time
>    * Location
>    * Interdependencies in general and specifically for each domain
>    * A host of concepts:
>       -contracts
>       -Residential building codes
>       -budgeting
>       -competitive pricing
>       -anatomy
>       -nutrition
>       -locale specific cuisine
>       -context to parse the communications correctly
>
> But note that these come into play in *different* tasks with different
> people, who may have different kinds and amounts of knowledge about
> the shared task.
>
> A contractor usually has far more knowledge of building codes than
> the house owner and a dentist has vastly more knowledge about dental
> anatomy.  In many cases, interoperability is successful *because*
> the amount and kind of knowledge is *asymmetric*.
>
> To return to my original point:  When talking with the plumber,
> dentist, waiter, clerk, surgeon, contractor, etc., the amount of
> shared vocabulary that the two parties require is generally a
> tiny fraction of what either one of them knows.
>
> Furthermore, the core intersection of vocabulary required for all
> six pairs of interactions is very tiny.  The core intersection
> is seldom, if ever, verbalized.  It is the common knowledge that
> dictionaries do not state explicitly.
>
> These are the reasons why I recommend a very sparsely axiomatized
> taxonomy and meronomy of terms.  (Note that the definitions in
> Longman's dictionary leave out an enormous amount of information
> that would be required to use those terms effectively.)  The basis
> for detailed reasoning is in the very specialized microtheories,
> of which one party may often know a great deal more than the other.
>
> Essential point:  Many, if not most, kinds of interoperability
> are asymmetric:  one party may have vastly more knowledge about
> the domain than the other.  Even when the amounts of relevant
> knowledge are similar, the two parties may have very different
> kinds (e.g. manager and employee, contractor and subcontractor,
> CEO and accountant), and they communicate primarily on their
> common intersection.
>
> John
>
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>    (03)



-- 
The University of Edinburgh is a charitable body, registered in
Scotland, with registration number SC005336.    (04)


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