Data processing method, device and system and server

A data processing system and server technology, applied in the Internet field, can solve problems such as inability to determine data quality, inability to train prediction models safely, inability to determine C shopping sites, etc.

Active Publication Date: 2020-12-25
CCB FINTECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, Bank A is unable to determine whether the data provided by C shopping website when participating in the joint training is the previously agreed high-quality data; nor can it determine whether C shopping website has carried out some risky behaviors when participating in the joint training, etc. , resulting in the inability to safely train a better predictive model

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  • Data processing method, device and system and server
  • Data processing method, device and system and server
  • Data processing method, device and system and server

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Embodiment Construction

[0104] In order to enable those skilled in the art to better understand the technical solutions in this specification, the technical solutions in the embodiments of this specification will be clearly and completely described below in conjunction with the drawings in the embodiments of this specification. Obviously, the described The embodiments are only some of the embodiments in this specification, not all of them. Based on the embodiments in this specification, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of this specification.

[0105] Considering the existing data processing methods, when a data party wants to initiate a model training request for a joint training target model, the data party often cannot accurately and effectively measure the data sources owned by other data parties. The value of the data, and it is impossible to quantitatively determine how much the marginal predict...

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Abstract

The invention provides a data processing method, device and system and a server. Based on the method, after a first terminal apparatus initiates a model training request, a second terminal apparatus with a second data source with a high data value and good effect is accurately screened out according to a test result of a data source owned by an undetermined terminal apparatus in a system for a marginal prediction effect improvement parameter of target model training; before joint training, the first terminal apparatus and the second terminal apparatus can upload data certificates of owned datasources to the block chain for evidence storage; in the process that the first terminal apparatus carries out joint training locally based on the first data source and the second terminal apparatus carries out joint training locally based on the second data source according to the matched joint training rule, the associated data in the joint training process is uploaded to the block chain for evidence storage, so that joint training can be carried out safely. A target model with a good effect and high accuracy is obtained.

Description

technical field [0001] This specification belongs to the technical field of the Internet, and in particular relates to a data processing method, device, system and server. Background technique [0002] In some business scenarios, different data parties often have different data sources. Sometimes it is necessary to use the data sources owned by different data parties at the same time, and build the required target model through joint training (for example, federated learning) without disclosing the data owned by the other party. [0003] For example, in the financial business scenario, bank A has the loan data of the banking platform of the residents of city B, and the shopping website C has the loan data of the network platform of the residents of city B. At present, Bank A hopes to train a prediction model that can comprehensively and accurately predict the loan credit risk of residents in City B. [0004] In view of the above scenario, Bank A hopes to cooperate with sho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/62G06F16/27G06F21/62G06F21/64
CPCG06F21/6218G06F21/64G06F16/27G06F18/214
Inventor 王雪霍昱光李武璐权纯赵亮孙昊刘春伟冯昊皓
Owner CCB FINTECH CO LTD
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