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expert system
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expert system

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Also known as: knowledge-based system
Written by
Vladimir Zwass
Gregory Olsen Endowed Chair and University Distinguished Professor of Computer Science and at Fairleigh  Dickinson University, Teaneck, New Jersey, USA.  
Vladimir Zwass
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Article History
Key People:
Edward Albert Feigenbaum
Joshua Lederberg

expert system, a computer program that uses artificial-intelligence methods to solve problems within a specialized domain that ordinarily requires human expertise. The first expert system was developed in 1965 by Edward Feigenbaum and Joshua Lederberg of Stanford University in California, U.S. Dendral, as their expert system was later known, was designed to analyze chemical compounds. Expert systems now have commercial applications in fields as diverse as medical diagnosis, petroleum engineering, and financial investing. In order to accomplish feats of apparent intelligence, an expert system relies on two components: a knowledge base and an inference engine. A knowledge base is an ...(100 of 378 words)

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