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. 05, 2011
Filed:
Aug. 02, 2006
Hiroshi Kutsumi, Osaka, JP;
Eiichi Naito, Kyoto, JP;
Jun Ozawa, Nara, JP;
Hideyuki Yoshida, Kyoto, JP;
Hiroshi Kutsumi, Osaka, JP;
Eiichi Naito, Kyoto, JP;
Jun Ozawa, Nara, JP;
Hideyuki Yoshida, Kyoto, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A dictionary creation device and dictionary creation method which optimally create and update a dictionary for classifying, searching, or extracting text information in accordance with a changes in content of text information groups. The dictionary creation device includes a keyword extraction unit that extracts a keyword from inputted text information; a keyword statistics unit that finds statistics regarding an appearance of the keyword; a keyword assessment value calculation unit that calculates an assessment value of the extracted keyword based on the statistics regarding the appearance of the keyword; a determination unit that determines whether or not to register or delete the keyword based on the calculated assessment value; a dictionary registration and deletion unit which registers or deletes the keyword in or from a dictionary database based on a result of the determination performed by the determination unit; and the dictionary database.