Knowledge-Based Systems

11.2 Case retrIeval 299

What could have been done to avoid the problem•

Pointer to the next attempt at a solution•

Cases can be represented in variety of forms, such as frames, seman-

tic networks, predicate notation rules, or mixed formats. Cases should be

organized in memory for effective retrieval and reuse. There are different

case organization methods. Two influential case memory models are the

dynamic memory model and the category exemplar model.

11.2 CASE RETRIEVAL 

This step gives the best-matching previous case. Its subtasks are referred to as

identify features—match, search, and select—and are executed in that order.

The identification task comes up with a set of relevant problem descriptors,

the matching task returns ...