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. 09, 2013
Filed:
Feb. 17, 2009
Shohei Hido, Kanagawa-ken, JP;
Ysuyoshi Ide, Kanagawa-ken, JP;
Hisashi Kashima, Kanagawa-ken, JP;
Harunobu Kubo, Kanagawa-ken, JP;
Hirofumi Matsuzawa, Kanagawa-ken, JP;
Shohei Hido, Kanagawa-ken, JP;
Ysuyoshi Ide, Kanagawa-ken, JP;
Hisashi Kashima, Kanagawa-ken, JP;
Harunobu Kubo, Kanagawa-ken, JP;
Hirofumi Matsuzawa, Kanagawa-ken, JP;
International Business Machines Corporation, Armonk, NY (US);
Abstract
Different virtual labels, for example, like +1 and −1, are assigned to two data sets. A change analysis problem for the two data sets is reduced to a supervised learning problem by using the virtual labels. Specifically, a classifier such as logical regression, decision tree and SVM is prepared and is trained by use of a data set obtained by merging the two data sets assigned the virtual labels. A feature selection function of the resultant classifier is used to rank and output both every attribute contributing to classification and its contribution rate.