Information processing system and method for use in computer systems suitable for production system

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United States of America Patent

PATENT NO 4779208
SERIAL NO

06654487

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Abstract

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A computer system performs processing such as inference processing by sequentially executing rules each with its if-part stored in a working memory. The computer system comprises a production memory storing rules such as the laws of experience and nature and a working memory storing facts and hypothesis. The processing system processes the case where the rules include variables. To this end, this processing system groups the if-items and then-items which may be matched with each other depending on variable values, and takes representatives of the respective grouped items as association items to store the facts by the local parts of the association items.

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Patent Owner(s)

Patent OwnerAddress
HITACHI LTD A CORP OF JAPAN6 KANDA SURUGADAI 4-CHOME CHIYODA-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miyamoto, Shoji Kawasaki, JP 44 769
Nohmi, Makoto Kawasaki, JP 28 675
Tsuruta, Setsuo Sagamihara, JP 10 220

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