A Comparative Review of Selected Methods for Learning from Examples
نویسندگان
چکیده
Research in the area of learning structural descriptions from examples is reviewed, giving primary attention to methods of learning characteristic descrip tions of single concepts. In particular, we examine methods for finding the maximally-specific conjunctive generalizations (MSC-generalizations) that cover all of the training examples of a given concept. Various important aspects of structural learning in general are examined, and several criteria for evaluating structural learning methods are presented. Briefly, these criteria include (i) ade quacy of the representation language, (ii) generalization rules employed, computational efficiency, and (iv) flexibility and extensibility. Selected learning methods developed by Buchanan, et al., Hayes-Roth, Vere, Winston, and the authors are analyzed according to these criteria. Finally, some goals are sug gested for future research.
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تاریخ انتشار 2009