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The Logic of Knowledge Bases
     

The Logic of Knowledge Bases

by Hector J. Levesque
 

The idea of knowledge bases lies at the heart of symbolic, or "traditional," artificial intelligence. A knowledge-based system decides how to act by running formal reasoning procedures over a body of explicitly represented knowledge — a knowledge base. The system is not programmed for specific tasks; rather, it is told what it needs to know and expected to

Overview

The idea of knowledge bases lies at the heart of symbolic, or "traditional," artificial intelligence. A knowledge-based system decides how to act by running formal reasoning procedures over a body of explicitly represented knowledge — a knowledge base. The system is not programmed for specific tasks; rather, it is told what it needs to know and expected to infer the rest.

This book is about the logic of such knowledge bases. It describes in detail the relationship between symbolic representations of knowledge and abstract states of knowledge, exploring along the way the foundations of knowledge, knowledge bases, knowledge-based systems, and knowledge representation and reasoning. Assuming some familiarity with first-order predicate logic, the book offers a new mathematical model of knowledge that is general and expressive yet more workable in practice than previous models. The book presents a style of semantic argument and formal analysis that would be cumbersome or completely impractical with other approaches. It also shows how to treat a knowledge base as an abstract data type, completely specified in an abstract way by the knowledge-level operations defined over it.

Product Details

ISBN-13:
9780262122320
Publisher:
MIT Press
Publication date:
02/15/2001
Pages:
282
Product dimensions:
7.00(w) x 9.00(h) x 0.75(d)
Age Range:
18 Years

Meet the Author

Hector J. Levesque is Professor of Computer Science at the University of Toronto.

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