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Nasa PHT

AESOP

An Expert System Engine With Operative Probabilities


AESOP is a rule-based inference engine for an expert system, which makes decisions about a particular situation given user-supplied hypotheses, rules, and answers to questions drawn from the rules. If a knowledge base containing the hypotheses and rules governing an environment is available to AESOP, almost any situation within that environment can be resolved by answering the questions asked by AESOP. The questions can be answered with YES, NO, MAYBE, DON'T KNOW, DON'T CARE, or with a probability factor ranging from zero to ten. The initial prompt asks what task is under consideration, and AESOP asks questions about feasibility and performance until one of the original hypotheses is confirmed.


Program Size: 675 Statements
Computer Language: LISP

Copyright (c) 1996 Pacific HiTech, Inc. and COSMIC