Data aggregation method and device, electronic device and storage medium
A technology of data aggregation and storage medium, applied in the field of data aggregation, which can solve the problems of long time and low efficiency.
Pending Publication Date: 2021-04-09
HANGZHOU QULIAN TECH CO LTD
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[0005] The embodiment of the present application provides a data aggregation method, device, electronic device, and storage medium, so as to at least solve the problem of low efficiency and long time-consuming of general algorithms for federated computing in the related art
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[0052]In order to make the purpose, technical solutions and advantages of the present application clearer, the present application will be described and illustrated below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application. Based on the embodiments provided in the present application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application. In addition, it can also be understood that although such development efforts may be complex and lengthy, for those of ordinary skill in the art relevant to the content disclosed in this application, the technology disclosed in this application Some design, manufacturing or production changes based on the content are just conventional technical means, and ...
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The invention relates to a data aggregation method and device, an electronic device and a storage medium, and the method comprises the steps: obtaining an aggregation rule of an initiator in federation calculation, splitting the aggregation rule into the sum of a plurality of target items according to Taylor expansion, and enabling the data item of each target item to only correspond to the sample data of one participant; encrypting the data item of each participant according to a first mask, and calculating a first calculation item of the target item according to the encrypted data item; obtaining a second calculation item of the target item according to the target item and the first calculation item, and obtaining an encryption calculation result of each participant for the second calculation item; and obtaining a data aggregation result of the participant according to the encryption calculation results of the first calculation item and the second calculation item. Through the data aggregation method and device, the problems of low efficiency and long consumed time of a universal algorithm for federation calculation in related technologies are solved, and the data privacy of participants is protected while the data aggregation efficiency is improved.
Description
technical field [0001] This application relates to the field of federated computing, in particular to a data aggregation method, device, electronic device and storage medium. Background technique [0002] With the development of artificial intelligence, in order to solve the problem of data islands, people put forward the concept of "federated learning", so that both sides of the federation can also conduct model training to obtain model parameters without giving their own data, and can avoid data The issue of privacy breaches. In the process of enterprise digital transformation and development, in order to improve the quality of data use, inter-agency data cooperation is becoming more and more frequent, such as the cooperation between hospitals and pharmaceutical companies. Federated learning is a feasible solution that can satisfy privacy protection and data security. It uses methods such as homomorphic encryption and secret sharing to ensure that the private data of all ...
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IPC IPC(8): G06F21/62G06N20/00G06F16/2455
CPCG06F21/6245G06N20/00G06F16/24556
Inventor 邱炜伟李伟汪小益张帅蔡亮
Owner HANGZHOU QULIAN TECH CO LTD