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Evaluating Explanations: A Content Theory

Leake, David B.

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ISBN 10: 0805810641 / ISBN 13: 9780805810646
Published by Lawrence Erlbaum, Hillsdale, NJ, 1992
Used Condition: Near Fine Hardcover
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About this Item

First printing, 1992, hardcover with green cloth boards, octavo, 260pp., not illustrated. Book near fine with hint of shelfwear to boards, binding tight, text clean bright and unmarked. No DJ. Bookseller Inventory # C000022759

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Bibliographic Details

Title: Evaluating Explanations: A Content Theory

Publisher: Lawrence Erlbaum, Hillsdale, NJ

Publication Date: 1992

Binding: Hardcover

Book Condition:Near Fine

Edition: First printing.

About this title

Synopsis:

Psychology and philosophy have long studied the nature and role of explanation. More recently, artificial intelligence research has developed promising theories of how explanation facilitates learning and generalization. By using explanations to guide learning, explanation-based methods allow reliable learning of new concepts in complex situations, often from observing a single example.

The author of this volume, however, argues that explanation-based learning research has neglected key issues in explanation construction and evaluation. By examining the issues in the context of a story understanding system that explains novel events in news stories, the author shows that the standard assumptions do not apply to complex real-world domains. An alternative theory is presented, one that demonstrates that context -- involving both explainer beliefs and goals -- is crucial in deciding an explanation's goodness and that a theory of the possible contexts can be used to determine which explanations are appropriate. This important view is demonstrated with examples of the performance of ACCEPTER, a computer system for story understanding, anomaly detection, and explanation evaluation.

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