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Patent Searching and Data


Title:
DOCUMENT RETRIEVAL DEVICE
Document Type and Number:
Japanese Patent JP2004334803
Kind Code:
A
Abstract:

To provide a document retrieval device with a small ratio of noise occupying a retrieval result.

This document retrieval device 1 comprises an input means 10, a primary extraction means 30, a similarity degree calculation means 40, a secondary extraction means 50, and an output means 60. The input means 10 is for inputting logical retrieval conditions and a reference document. The primary extraction means 30 extracts documents which satisfy the logical retrieval conditions from documents to be retrieved. The similarity degree calculation means 40 calculates degrees of similarity representing degrees which are similar to the reference document about each of the documents extracted by the primary extraction means 30. The secondary extraction means 50 extracts documents having the similarity degrees equal to or more than a reference value from the documents extracted by the primary extraction means 30. The output means 60 outputs an extraction result by the secondary extraction means 50.


Inventors:
KUNISHI YOSUKE
Application Number:
JP2003133629A
Publication Date:
November 25, 2004
Filing Date:
May 12, 2003
Export Citation:
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Assignee:
SHINETSU POLYMER CO
International Classes:
G06F17/30; (IPC1-7): G06F17/30
Attorney, Agent or Firm:
Yoshiki Hasegawa
Tatsuya Shioda
Shiro Terasaki