Document retrieval apparatus

Details Document retrieval apparatus Document retrieval apparatus

2006-01-26

2009-12-15

Robinson, Greta L (Department: 2169)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C707S793000

Reexamination Certificate

active

07634473

ABSTRACT:
A document retrieval apparatus for retrieving documents from a document database in which documents are registered, and displaying the retrieved documents, the document retrieval apparatus includes: a keyword input unit for accepting input of a retrieval keyword for retrieving the documents; a document retrieval unit for retrieving the documents from the document database on the basis of the retrieval keyword; a keyword weight calculation unit for calculating those weights of the retrieval keyword which feature contents of the retrieved documents, as keyword weights; and a display process unit for displaying the retrieved documents in a state where the retrieval keyword contained in the retrieved documents is presented in display aspects conforming to the keyword weights.

REFERENCES:
patent: 4876665 (1989-10-01), Iwai et al.
patent: 2006/0282415 (2006-12-01), Shibata et al.
patent: 11073420 (1999-03-01), None
patent: A 11-73420 (1999-03-01), None
patent: A 11-250077 (1999-09-01), None
Salton, A Vector Space Model for Automatic Indexing, 1975, Association for Computing Machinery Inc, vol. 18, No. 11, pp. 613-620.

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