Knowledge acquisition system

Details Knowledge acquisition system Knowledge acquisition system

1991-07-22

1994-04-26

Fleming, Michael R.

395 75, G06F 1500

Patent

active

053074467

ABSTRACT:
Disclosed herein is a practical knowledge acquisition system, in which, when a diagnosis is made using a knowledge base in the form of an associative network turns out to be erroneous, the network is analyzed backwards from the node representing a desired solution, thereby detecting a node where the backward analysis route joins that analysis route in the network which has resulted in the erroneous diagnosis. The node where the two analysis routes join is identified as one possibility where an error has occurred in the diagnosis. The diagnostic knowledge applied at this node is seen as an candidate to be modified many modification plans for the incorrect knowledge is proposed, the diagnostic knowledge base can be modified with high efficiency.

REFERENCES:
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Barr et al., The Handbook of Artificial Intelligence vol. II, Addison Wesley, 1982, 87-101.
Kahn et al., "Strategies for Knowledge Acquisition", IEEE Trans. on Pattern Analysis and Machine Intelligence, Sep. 1985, 511-522.
Gruber et al., "The Design of an Automated Assistant for Acquiring Strategic Knowledge", Heuristics-The Jou. of Knowledge Engineering, Jun. 1989, 64-67.
Arif Ghafoor et al., "A Design Methodology For Expert Systems for Diagnostic and Repair," Conference Proceedings Of The Eighth Annual International Phoenix Conference On Computers And Communications-Mar. 22-24, 1989, Scottsdale, Arizona US (pp. 550-554).
Jean-Louis Lauriere, "Knowledge Representation and Use Expert Systems," Technology And Science of Informatics, vol. 1, No. 1, 1983, Oxford GB (pp. 9-26).
Luc Steels, "Second Generation Expert Systems," Future Generations Computer Systems, vol. 1, No. 4, Jun. 1985, Amsterdam NL (pp. 213-221).

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