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Explicit representations of problem-solving strategies can be used to support flexible approaches to knowledge acquisition. This paper shows how this is done in the EXPECT framework, using the propose-and-revise strategy as an example. We have also compared how EXPECT supports knowledge acquisition for this strategy with a well-known tool (SALT) that was built specifically for that method. EXPECT's KA tool is able to acquire the same kinds of knowledge that a tool like SALT can acquire, as well as additional kinds of knowledge that are useful in constructing a knowledge-based system. EXPECT uses the same KA mechanisms to acquire both domain-dependent and domain-independent knowledge, and can do so for any problem-solving strategy that the user defines.

Yolanda Gil
Tue Oct 1 12:56:15 PDT 1996