Method and apparatus for detecting an endless loop in a rules-based expert system

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United States of America Patent

PATENT NO 6546380
SERIAL NO

08937353

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Abstract

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A method and apparatus for detecting an endless loop in a rules-based expert system. This is preferably accomplished by maintaining a count for each of the rules during rule processing. The count indicates the number of times a corresponding rule is executed by the rules based expert system. If the count corresponding to any of the rules exceeds a predetermined value, it is concluded that the rules-based expert system is stuck in an endless loop, and the rules-based expert system is interrupted.

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Patent Owner(s)

Patent OwnerAddress
UNISYS CORPORATIONTOWNSHIP LINE AND UNION MEETING ROADS BLUE BELL PA 19424

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Austin, Thomas K Hugo, MN 7 116
Lautzenheiser, Ted G Forest Lake, MN 11 430
Peters, Thomas R Dellwood, MN 6 112

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