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. 21, 2009
Filed:
Jul. 14, 2004
Shu Tezuka, Chigasaki, JP;
Hiroki Murata, Tokyo, JP;
Shu Tezuka, Chigasaki, JP;
Hiroki Murata, Tokyo, JP;
International Business Machines Corporation, Armonk, NY (US);
Abstract
Protects a highly confidential parameter against leakage in a distributed computing system. An example distributed computing system causing a plurality of partial calculations to be performed includes parameter storage for storing a parameter set having a plurality of parameters, conversion means for converting a linear parameter, sending means for sending each of converted parameter sets in association with parameter identifying information for identifying the parameter set to cause each of a plurality of calculation processing devices to perform each of a plurality of partial calculations, conversion ratio storage means for storing a conversion ratio of a parameter, conversion ratio searching means for searching for a conversion ratio corresponding to a parameter identifying information, and inversion outputting means for generating a partial calculation result by multiplying a calculation result by an inverse number of the conversion ratio and for outputting a set of the partial calculation results.