On May 2, 2007, at 9:39 AM, Patrick Durusau wrote:
> ...
> I attended a presentation on the use of ontologies at NASA and the
> speaker took great pains to point out that a single ontology (well,
> multiple ontologies but with mappings to a single master ontology)
> was a prerequisite to success. When I asked if it wasn't possible
> to have mappings between multiple ontologies that did not share a
> common basis, he said that was possible, but that it was a
> difficult problem. (01)
Holy smoke! The last 20 years would suggest it's the other way
round: It is (perhaps) possible to have a common basis for mapping
between multiple ontologies, but it is a (really) difficult problem!
What did this guy have in mind as a "common basis"? If all the
speaker meant was some sort of overarching reference model in well-
circumscribed domain, then ok. But it sounds like he or she had
something more comprehensive in mind. (02)
-chris (03)
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