[특허]Matching technique for context sensitive rule application

Matching technique for context sensitive rule application 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06F-015/20
출원번호	US-0869402 (1992-04-16)
발명자 / 주소	Dolan Charles P. (Culver City CA) Keirsey David M. (Aquora CA) Reiser Kurt (Los Angeles CA)
출원인 / 주소	Hughes Aircraft Company (Los Angeles CA 02)
인용정보	피인용 횟수 : 37 인용 특허 : 0

초록 ▼

A knowledge-based system (10) which combines case-based reasoning, heuristic search and deductive rule application. The resulting inference engine is sensitive to the context of problem solving. The system (10) includes a heuristic searcher (22), a case memory (14), a rule memory (18), a rule applier (26) and a case matcher (24). The rule applier (26) uses stored rules to elaborate on new cases by deriving new features so that it will be closer to selected old cases. The case matcher (24) detects how close selected cases are to the new case and generates a score for the match. The heuristic searcher (22) maintains a plurality of elaborated cases and determines the goodness of each elaborated case, the goodness being a measure of the match between the elaborated case and the selected old case.

대표청구항 ▼

A knowledge-based system for solving a problem in a given domain, said knowledge-based system comprising: case memory means for storing a set of exemplary cases from said domain, said case memory means containing a plurality of fields, each field containing data describing features of said exemplary cases; rule memory means for storing a set of rules, each rule associated with one or more stored exemplary cases; heuristic search means for receiving a new case comprising a plurality of fields, each field containing data describing features of said problem to be solved, said heuristic search means including means for controlling a search of said case memory means and rule memory means for cases and rules which relate to said new case, said means for controlling a search choosing selected exemplary cases in said case memory means for comparison with said new case; case matcher means, coupled to said heuristic search means and to said case memory means for determining how close the selected exemplary cases are to the new case, and for determining which fields of said new case do not match with said stored exemplary cases; and rule applier means for using said set of rules to elaborate the new case by deriving new features and creating an elaborated new case, so that the elaborated new case will be closer to one of the selected exemplary cases; wherein said heuristic search means is coupled to said rule applier means, said heuristic search means maintaining a plurality of elaborated new cases and determining a goodness metric for each elaborated new case, wherein the goodness metric is measured by the match between the elaborated new case and said selected exemplary cases, wherein said heuristic search means includes a means coupled to said means for controlling a search for determining when an elaborated new case represents an acceptable solution to said problem based on said goodness metric.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Matching technique for context sensitive rule application 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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연합인증

Matching technique for context sensitive rule application 원문보기

초록 ▼

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연구과제 타임라인

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이 특허를 인용한 특허 (37)

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