The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 03, 2007
Filed:
Feb. 25, 2002
Tadataka Matsubayashi, Yokohama, JP;
Katsumi Tada, Kawasaki, JP;
Yoshifumi Sato, Yokohama, JP;
Yasuhiko Inaba, Yokohama, JP;
Jugo Noda, Ikeda, JP;
Tadataka Matsubayashi, Yokohama, JP;
Katsumi Tada, Kawasaki, JP;
Yoshifumi Sato, Yokohama, JP;
Yasuhiko Inaba, Yokohama, JP;
Jugo Noda, Ikeda, JP;
Hitachi, Ltd., Tokyo, JP;
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.