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Feature data processing method, device and equipment and readable storage medium

A technology of characteristic data and processing method, applied in the field of machine learning of financial technology, which can solve the problems of low data transmission and calculation efficiency

Pending Publication Date: 2020-02-04
WEBANK (CHINA)
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Problems solved by technology

[0004] The main purpose of the present invention is to provide a feature data processing method, device, equipment and readable storage medium, aiming to solve the technical problem of low data transmission and calculation efficiency in feature correlation calculation in the prior art

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  • Feature data processing method, device and equipment and readable storage medium
  • Feature data processing method, device and equipment and readable storage medium
  • Feature data processing method, device and equipment and readable storage medium

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Embodiment Construction

[0055] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0056] The present invention provides a feature data processing method. The feature data processing method is applied to the first device of vertical federated learning. In the first embodiment of the feature data processing method of this application, refer to figure 1 , the feature data processing method includes:

[0057] Step S10, obtaining a first sample number set, performing normalization processing and random number processing on the first sample number set, and obtaining a processing result of the first sample number set;

[0058] In this embodiment, it should be noted that the participants performing the longitudinal federated learning include a first device and a second device, and the first sample data includes a plurality of first feature data, for example, assuming that the The first sample data pair is...

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Abstract

The invention discloses a feature data processing method, device and equipment and a readable storage medium. The feature data processing method comprises the following steps: obtaining a first samplenumber set, carrying out normalization processing and random number processing on the first sample number set; obtaining a first sample number set processing result, and sending the first sample number set processing result to the second equipment for longitudinal federated learning, wherein the second equipment is used for acquiring a second sample number set; and performing normalization processing on the second sample number set to obtain a second sample number set processing result, and determining feature correlation between the first sample number set and the second sample number set based on the first sample number set processing result and the second sample number set processing result. According to the invention, the technical problem of low data transmission and calculation efficiency during feature correlation calculation is solved.

Description

technical field [0001] The present invention relates to the technical field of machine learning of financial technology (Fintech), in particular to a feature data processing method, device, equipment and readable storage medium. Background technique [0002] With the continuous development of financial technology, especially Internet technology and finance, more and more technologies (such as distributed, blockchain, artificial intelligence, etc.) Requirements, such as the distribution of corresponding to-do items in the financial industry also have higher requirements. [0003] With the continuous development of artificial intelligence, vertical federated learning has gradually become one of the important means for machine learning. In the existing technology, before vertical federated learning, a participant A of vertical federated learning usually performs its local sample The data is routinely encrypted to ensure the privacy of local sample data, such as homomorphic enc...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/21G06F16/28
CPCG06F16/284G06F16/211
Inventor 谭明超范涛魏文斌马国强郑会钿陈天健杨强
Owner WEBANK (CHINA)
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