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:
Jul. 28, 2009
Filed:
Jul. 01, 2004
Applicants:
Eiji Murakami, Tokyo, JP;
Takao Terano, Tokyo, JP;
Inventors:
Eiji Murakami, Tokyo, JP;
Takao Terano, Tokyo, JP;
Assignee:
Yamatake Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 15/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A DT matrix generation means () generates a DT matrix (A) from each document (D) in a document set () and each term (T) in a term list (). A DT matrix transformation means () generates a transformed DT matrix (B) by performing DM decomposition of the DT matrix (A). A document classification means () extracts and outputs, for each cluster appearing on the transformed DT matrix (B), each document (D) belonging to the cluster as one classification (subset).