Method of searching similar document, system for performing...

Details Method of searching similar document, system for performing... Method of searching similar document, system for performing...

2007-04-03

2007-04-03

Wong, Don (Department: 2163)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C707S793000, C715S252000

Reexamination Certificate

active

10081203

ABSTRACT:
A similar document search method includes a step of extracting a characteristic word candidate as a candidate for a characteristic word from a seeds document including desired retrieval contents, a step of extracting as characteristic words of the seeds document, when the characteristic word candidate extracted by the extracting step is a compound characteristic word including a plurality of characteristic words, the compound characteristic word and constituent characteristic words included in the compound characteristic word from the characteristic word candidate, a step of calculating, according to the characteristic words extracted by the extracting step, similarity between the seeds document and a registration document, and a step of outputting as a retrieval result a result of the similarity calculated by the similarity calculating step.

REFERENCES:
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patent: 6473754 (2002-10-01), Matsubayashi et al.
patent: 6480843 (2002-11-01), Li
patent: 11259487 (1999-09-01), None
patent: 11338883 (1999-12-01), None
Informational Retrieval-Data Structures & Algorithms, by W. Frankes, et al., Prentice Hall, 1992.

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