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Federation learning method and device, equipment and storage medium

A learning method and federated technology, applied in the field of financial technology, which can solve the problem of difficulty in verifying the accuracy of client results

Pending Publication Date: 2021-03-30
WEBANK (CHINA)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although this processing method ensures that the data does not go out of the local area, it is difficult to verify the accuracy of the results output by the client

Method used

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  • Federation learning method and device, equipment and storage medium
  • Federation learning method and device, equipment and storage medium
  • Federation learning method and device, equipment and storage medium

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Embodiment Construction

[0077] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0078] Part of the terms involved in the embodiments of the present invention will firstly be explained below, so as to facilitate the understanding of those skilled in the art.

[0079] (1) TEE: Trusted Execution Environment, Trusted Execution Environment, is a trusted computing solution implemented by hardware. After the data is encrypted, it is handed over to a specific environment for processing. This environment is the Trusted Exec...

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Abstract

The invention provides a federated learning method and device, equipment and a storage medium, and the method comprises the steps that a client receives an ith round of model parameters transmitted bya server, loads local training data and the ith round of model parameters to a TEE (Trusted Execution Environment), trains a global model corresponding to the ith round of model parameters based on the local training data in the TEE to obtain trained model parameters, and sends the trained model parameters to the server, and the server is used for aggregating the trained model parameters sent bythe n clients to obtain the (i + 1) th round of model parameters, so that the (i + 2) th round of federation learning is carried out until a federation model meeting set conditions is obtained. Sincethe global model is trained in the TEE isolated from the outside, the model parameters obtained by training the global model by the client can be ensured to be credible, and the correctness of the model parameters output by the client can be ensured.

Description

technical field [0001] The present invention relates to the field of financial technology (Fintech), in particular to a federated learning method, device, equipment and storage medium. Background technique [0002] With the development of computer technology, more and more technologies are applied in the financial field, and the traditional financial industry is gradually transforming into financial technology. However, due to the security and real-time requirements of the financial industry, higher requirements are also placed on technology. [0003] In the existing federated learning method, multiple clients generally use local data to train the initial model, encrypt and upload the trained model parameters to the server for aggregation processing, and obtain the aggregated model parameters. Afterwards, the server sends the aggregated model parameters to the multiple clients, so that the multiple clients continue to use the local data to train the model based on the aggreg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06N20/00G06F21/60G06F21/62
CPCG06N20/00G06F21/602G06F21/6245
Inventor 黄安埠刘洋陈天健杨强
Owner WEBANK (CHINA)