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Patent Searching and Data


Title:
【発明の名称】ファジィ検索装置および方法,データ・ベース作成装置および方法,検索装置および方法ならびにメンバーシップ関数作成装置および方法
Document Type and Number:
Japanese Patent JP2768007
Kind Code:
B2
Abstract:
Data stored in a data base (21) include crisp numbers expressed by definite numeric values, fuzzy numbers expressed by adding a word "about" to the numeric values, and fuzzy labels expressed in a fuzzy language. Status codes are used to classify the data, and the data with status codes are stored in the data base (21). A fuzzy data dictionary stores the data and membership function data accessed by using the status codes added to the data. When a retrieving condition is given, the data associated with the retrieving condition is retrieved from the data base (21). When the data are of a fuzzy conception type, the membership function data corresponding to the data is retrieved from the fuzzy data dictionary (22). Fuzzy retrieval execution means (20) calculates the degree of adaptability of the membership function data to the retrieving condition, and outputs it through an output device (24).

Inventors:
Hiroshi Nakajima
Toshimi Kudo
Taishi Hayashi
Application Number:
JP50677693A
Publication Date:
June 25, 1998
Filing Date:
February 20, 1992
Export Citation:
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Assignee:
OMRON Corporation
International Classes:
F16H29/04; F16H29/02; F16H31/00; F16H37/08; G06F17/30; G06N7/02; (IPC1-7): G06F17/30
Domestic Patent References:
JP3168869A
Other References:
Le Tien Voung,Ho Thuan “A Relational Database Extended by Application of Fuzzy Set Theory and Linguistic Variables” Computers and Artificial Intelligence,Vol.8,No.2 (1989) PP.153−168.
深海、馬野、水本、田中 “Fuzzyデータベース検索操作言語について” 電子通信学会技術研究報告 Vol.78,No.233 (AL78−85) (1979−1−27) PP.65−72.
野村、小高、横山、松下 “曖昧検索のためのファジィ・データベース・システム” 情報処理学会研究報告 Vol.91,No.18 (91−HI−35−13) (1991−3−8) PP.91−98.
馬野 “ファジィ・データベースの現状と動向” Proceedings of Advanced Database System Symposium ’89 in Kyoto(1989−12−7〜8) PP.207−214.
馬野、深海 “ファジィ・データベースの現状について” 日本ファジィ学会誌 Vol.3,No.1 (1991−2) PP.2−14.
Attorney, Agent or Firm:
Kenji Ushiku