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:
May. 10, 2011
Filed:
Jan. 29, 2007
Toshihiko Kashiyama, Hachioji, JP;
Itaru Nishizawa, Kaganei, JP;
Toshihiko Kashiyama, Hachioji, JP;
Itaru Nishizawa, Kaganei, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Provided is an effective index processing method for a key corresponding to characteristics of a key series. The index processing method includes: holding a key tendency for representing the characteristics of the key series and a node split ratio, corresponding to the key tendency, for representing a key split ratio at the time of node split; and switching the node split ratio of an index () based on the key tendency. The key tendency/distribution is determined based on characteristic information of data input by a user or monitoring information acquired through monitoring of the data.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile