A Guide to Expert SystemsAddison-Wesley, 1986 - 419 páginas Expert systems are sophisticated computer programs that manipulate knowledge to solve problems efficiently and effectively in a narrow problem area. Like real human experts, these systems use symbolic logic and heuristics--rules of thumb--to find solutions. Like real experts, they make mistakes but have the capacity to learn from their errors. This artificial expertise has some advantages over human expertise: it is permanent, consistent, easy to transfer and document, and cheaper. In sum, by linking the power of computers to the richness of human experience, expert systems enhance the value of expert knowledge by making it readily and widely accessible. |
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SECTION | 1 |
What Good Are Expert Systems? | 12 |
How Do Expert Systems Differ from | 24 |
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analysis Artificial Intelligence backward chaining Building Expert Systems Calif Carnegie-Mellon University certainty factors circuit commercial system Computer Science Dept computer systems concepts Corporation data base debugging demonstration prototype DENDRAL diagnosis disease domain expert domain knowledge electronics EMYCIN example expert system development expert system tools expertise facilities Figure forward chaining frame frame-based FRANZ LISP Hayes-Roth helps heuristics IEEE Computer Society inference engine interactive INTERLISP INTERLISP-D interpretation knowl knowledge acquisition knowledge base knowledge engineering language knowledge representation Laboratory language for rule-based MACSYMA medicine monitoring nodes object-oriented operates OPS5 organized patient perform plaintiff principal characteristics include problem-solving procedure procedure-oriented Proceedings programming language PROLOG PROSPECTOR provides reached the stage Report represented research prototype research system ROSIE rule-based system rules semantic semantic net Shortliffe slot solutions solving Stanford University structure support environment system-building aid TEIRESIAS Teknowledge tion University and reached XCON Xerox ZETALISP