Title:
DATA COMPILING METHOD AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/034749
Kind Code:
A1
Abstract:
Disclosed by the present description are a data compiling method and device, which are applied to the compiling of data by combining data of N data holders, the method comprising: negotiating with other data holders one by one to determine a common pseudo-random number sequence and to obtain N-1 pseudo-random number sequences which correspond one-to-one with negotiation objects; selecting a pseudo-random number from each pseudo-random number sequence according to completely identical selection strategies, so as to obtain N-1 pseudo-random numbers in one-to-one correspondence with the negotiation objects; determining a participation value for the pseudo-random number corresponding to each negotiation object participating in an operation according to the sorting order of the N data holders, the participation value being the pseudo-random number or a number opposite thereto; performing summation calculation on the held data and the participation values of the N-1 pseudo-random numbers; and sending the summation result to a third party, so that the third party performs summation calculation for the summation results of all data holders to obtain a statistical value.
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Inventors:
YING PENGFEI (CN)
Application Number:
PCT/CN2019/092186
Publication Date:
February 20, 2020
Filing Date:
June 21, 2019
Export Citation:
Assignee:
ALIBABA GROUP HOLDING LTD (CN)
International Classes:
G06F17/18
Foreign References:
| CN104580174A | 2015-04-29 | |||
| CN106972930A | 2017-07-21 | |||
| CN102521910A | 2012-06-27 | |||
| CN105450394A | 2016-03-30 | |||
| US20060067527A1 | 2006-03-30 |
Attorney, Agent or Firm:
BEIJING BESTIPR INTELLECTUAL PROPERTY LAW CORPORATION (CN)
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