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:
Sep. 20, 2016
Filed:
Sep. 10, 2013
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Toshiba Solutions Corporation, Minato-ku, JP;
Hideki Iwasaki, Fuchu, JP;
Kazuyuki Goto, Kawasaki, JP;
Shigeru Matsumoto, Nishitokyo, JP;
Yasunari Miyabe, Fuchu, JP;
Mikito Kobayashi, Fuchu, JP;
KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;
TOSHIBA SOLUTIONS CORPORATION, Minato-ku, JP;
Abstract
According to one embodiment, a topic extracting apparatus extracts each term from a target document set, and calculates an appearance frequency of each term and a document frequency that each term appears. The topic extracting apparatus acquires a document set of appearance documents with respect to each extracted term, calculates a topic degree, extracts each term whose topic degree is not lower than a predetermined value as a topic word, and calculates freshness of the extracted topic word based on an appearance date and time. The topic extracting apparatus presents the extracted topic words in order of the freshness and also presents the number of appearance documents of each presented topic word per unit span.