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Title:
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2017/122437
Kind Code:
A1
Abstract:
The present invention makes it possible to perform a high-speed and efficient process for determining a correlation between vectors. An information processing system comprises a first information processing device having k vectors with secure data as an element and a second information processing device having m vectors with secure data as an element. The first information processing device receives encrypted data from the second information processing device, the encrypted data representing vector information related to a vector Y selected from m vectors. The data processing unit of the first information processing device consecutively calculates sample identifiers corresponding to elements having a specific common value with respect to one vector X selected from the k vectors maintained by the first information processing device and each of a plurality of different vectors Y selected from the m vectors, and consecutively determines the correlation between the plurality of different vectors.

Inventors:
KAWAMOTO YOHEI (JP)
Application Number:
PCT/JP2016/085116
Publication Date:
July 20, 2017
Filing Date:
November 28, 2016
Export Citation:
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Assignee:
SONY CORP (JP)
International Classes:
G09C1/00; G06F17/30; H04L9/36
Domestic Patent References:
WO2014109388A12014-07-17
Foreign References:
JP2010092432A2010-04-22
JP2007501975A2007-02-01
Other References:
ROLF EGERT ET AL.: "Privately Computing Set- Union and Set-Intersection Cardinality via Bloom Filters", ACISP 2015, 25 June 2015 (2015-06-25), pages 1 - 18, XP009507467, Retrieved from the Internet [retrieved on 20161226]
See also references of EP 3404643A4
Attorney, Agent or Firm:
MIYATA, Masaaki et al. (JP)
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