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:
Mar. 29, 2011
Filed:
Aug. 07, 2008
Yuji Watanabe, Yokohana, JP;
Takeo Yoshizawa, Kawasaki, JP;
Masayuki Numao, Kawasaki, JP;
International Business Machines Corporation, Armonk, NY (US);
Abstract
The invention provides data processing, data control and information methods and systems for efficiently duplicating contents of a database in the data control system. An example of a data processing system includes: a cache unit acquiring, from a data control system which categorizes a plurality of data elements into a plurality of clusters and stores the plurality of clusters; a group-of-clusters update information acquisition unit for acquiring from the data control system group-of-clusters update information with respect to a group of clusters consisting of two or more clusters; a group-of-clusters update information computation unit for computing group-of-clusters update information with respect to the group of clusters based on two or more pieces of cluster update information; and an update judging unit for judging that a cached data element belonging to the group of clusters is the most updated one.