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:
Nov. 15, 2005
Filed:
Oct. 23, 2002
Masaki Aono, Yokohama, JP;
Mei Kobayashi, Yokohama, JP;
Hikaru Samukawa, Tokyo, JP;
Hironori Takeuchi, Yokohama, JP;
Masaki Aono, Yokohama, JP;
Mei Kobayashi, Yokohama, JP;
Hikaru Samukawa, Tokyo, JP;
Hironori Takeuchi, Yokohama, JP;
International Business Machines Corp, Armonk, NY (US);
Abstract
To provide an information retrieval system, a method for information retrieval, a program for executing the information retrieval, and a storage medium comprising the program for executing the information retrieval The information retrieval system according to the present invention comprises: means for generating and storing a predetermined type matrix from said document-attribute matrix, means for generating said document-attribute submatrix from documents being added to said database during a specific time period, means for updating said predetermined type matrix using knowledge with respect to said document-attribute submatrix and for executing the singular value decomposition on updated said predetermined type matrix to execute dimension reduction of all document-attribute matrices stored within said database, and means for retrieving information with respect to a user input query using said dimension reduced document-attribute matrix.