Title:
データ検索システム、データ中継サーバ、データベースサーバおよびデータベースのアクセス方法
Document Type and Number:
Japanese Patent JP4006214
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method and a system for database access which enable a user to use information providing service while concealing a desired retrieval condition to be concealed. SOLUTION: A data relay server 100 connected between a client computer 10 and a database server 119 generates an inquiry message by ciphering a retrieval condition specified by the client computer and sends the message to the database server. The database server ciphers a specific data item that the retrieval condition read out of the database 126 specifies, retrieves service information meeting the retrieval condition by matching ciphered data against one another, and sends the retrieval result as an answer to the data relay server.
More Like This:
Inventors:
Nishizawa
Kazutomo Ushijima
Takahiko Shintani
Kazutomo Ushijima
Takahiko Shintani
Application Number:
JP2001321741A
Publication Date:
November 14, 2007
Filing Date:
October 19, 2001
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
G06F12/14; G06F17/30; G06F12/00; G06F21/00; G06F21/60; G06F21/62; G09C1/00
Domestic Patent References:
| JP11066099A | ||||
| JP11259512A | ||||
| JP11284974A | ||||
| JP2000011001A | ||||
| JP2001101055A | ||||
| JP2001507837A |
Attorney, Agent or Firm:
Polaire Patent Business Corporation
Katsuo Ogawa
Kyosuke Tanaka
Takashi Sasaki
Katsuo Ogawa
Kyosuke Tanaka
Takashi Sasaki