Information retrieval system and a computer product

Data processing: presentation processing of document – operator i – Presentation processing of document – Layout

Reexamination Certificate

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C715S252000

Reexamination Certificate

active

06971061

ABSTRACT:
An information retrieval system comprises a storage section that stores location information about information selected by a user as a document location information database, an analyzer section that analyzes frequency of utilization of each location information in the document location information database, a retrieval information accumulating section that accumulates information in a predetermined accumulation range on an accumulation base point corresponding to location information having the frequency of utilization equal to or more than a threshold value, as a retrieval information database, and a retrieval section that retrieves required information from a retrieval information database based on a retrieval condition designated by the user.

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patent: 6189002 (2001-02-01), Roitblat
patent: 6289342 (2001-09-01), Lawrence et al.
patent: 6421675 (2002-07-01), Ryan et al.
patent: 6480837 (2002-11-01), Dutta
patent: 6631496 (2003-10-01), Li et al.
patent: 2001/0034814 (2001-10-01), Rosenzweig
patent: 2002/0000468 (2002-01-01), Bansal
patent: 2003/0033304 (2003-02-01), Uesaka
patent: 08-305710 (1996-11-01), None
patent: 11-039338 (1999-02-01), None

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