STATISTICAL VALUE ESTIMATION DEVICE, STATISTICAL VALUE ESTIMATION SYSTEM, STATISTICAL VALUE ESTIMATION METHOD, AND PROGRAM

Title:

STATISTICAL VALUE ESTIMATION DEVICE, STATISTICAL VALUE ESTIMATION SYSTEM, STATISTICAL VALUE ESTIMATION METHOD, AND PROGRAM

Document Type and Number:

WIPO Patent Application WO/2024/079899

Kind Code:

A1

Abstract:

This statistical value estimation device estimates a statistical value of data in a protected form in the sense of local difference privacy, and comprises: an input unit that receives, from each of a plurality of data processing devices, processed data items which are values selected from a limited number of values, for each of two or more data items; and a calculation unit that uses the processed data items received from the plurality of data processing devices to estimate at least one statistical value for the data.

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Inventors:

KII MASANOBU (JP)

Application Number:

PCT/JP2022/038445

Publication Date:

April 18, 2024

Filing Date:

October 14, 2022

Export Citation:

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Assignee:

NIPPON TELEGRAPH & TELEPHONE (JP)

International Classes:

G06F21/62; G06F17/18

Foreign References:

JP2022517054A	2022-03-04
JP2016099888A	2016-05-30
US20180349620A1	2018-12-06

Other References:

FUKUCHI KAZUTO: "Differential privacy", IPSJ MAGAZINE, vol. 61, no. 6, 15 May 2020 (2020-05-15), pages 600 - 606

Attorney, Agent or Firm:

ITOH, Tadashige et al. (JP)

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