The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 02, 1996
Filed:
Jun. 19, 1992
Applicant:
Inventors:
Masahiro Hiji, Sendai, JP;
Toshiro Yamanaka, Machida, JP;
Assignees:
Hitachi, Ltd., Tokyo, JP;
Hitachi Touhoku Software, Ltd., Miyagi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395 77 ; 395 50 ; 395 54 ; 395 75 ;
Abstract
Disclosed in this invention is a knowledge acquisition tool for facilitating a construction of a knowledge base in an expert system, including: a case preprocessing part 21 for checking whether or not data constituting individual cases on which a knowledge base is based satisfy a predetermined evaluation criterion and deleting or changing non-satisfying cases; a rule generation part 22 for generating rules by extracting regularities from the cases processed by preprocessing part 21; and a rule evaluation part 32 for evaluating the rules generated by the rule generation part 22.