Jack, (01)
That is the most important principle: (02)
> Instead of engaging in class library design Doug McDavid
> proposed that he discover what insurance people really talk about.
> After processing 200 or so documents ranging from Annual Reports
> to underwriter risk analyses he produced a stunning semantic map.
> Two more Smalltalkers showed up and in two months time we had a class
> library designed and reviewed that was "better" than either of the
> other two projects in their ninth month. (03)
The single most important source for ontology design are *documents*
about the business written in English (or other natural language). (04)
Specialists in the notation (OWL, SmallTalk, or whatever) are useful
for mapping the results into that notation. But if they don't know
the business, they can't develop an ontology for it (unless they or
their computers read the documents). (05)
> The cost comparison was approximately $X for us and $11X for each of them. (06)
Of course. A good methodology can give you an order of magnitude
improvement. (07)
John (08)
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