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Modeling method, device, system and electronic equipment based on shared data

A technology for sharing data and modeling methods, applied in database design/maintenance, digital data protection, computer security devices, etc., can solve problems such as modeling is difficult to operate in practice

Active Publication Date: 2021-02-26
ADVANCED NEW TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, for the data owner, the data itself is a valuable asset, and due to the needs of protecting privacy and preventing leakage, the data owner is often unwilling to provide the data directly. Modeling of shared data" is difficult to actually work in reality

Method used

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  • Modeling method, device, system and electronic equipment based on shared data
  • Modeling method, device, system and electronic equipment based on shared data
  • Modeling method, device, system and electronic equipment based on shared data

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Embodiment Construction

[0081] In this specification, the purpose is to propose a scenario in which multiple data providers "share" the user data maintained by each to the modeling party for machine learning model training, based on the trust level of each data provider, the "sharing" The field value of the key field in the user data is selectively fuzzy, so as to retain the effective information carried by the key field in the original user data as much as possible.

[0082] During implementation, based on the trust level of each data provider, the field values ​​of some key fields in the user data that multiple data providers need to "share" with the modeling party can be fuzzified; The degree of obfuscation of the field values ​​of key fields can be negatively correlated with the trust level of the data provider; that is, the higher the trust level, the lower the degree of fuzzification of key fields; for example, for some The data provider may use mild obfuscation or no obfuscation for some key f...

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Abstract

Disclosed is a modeling method based on shared data, including: receiving user data transmitted by multiple data providers; The field values ​​are fuzzified separately; the fields in the user data transmitted by each data provider after the fuzzy processing are completed are fused; wherein, the user data after the field merging is used to train the machine learning model.

Description

technical field [0001] This description relates to the field of computer applications, in particular to a modeling method, device, system and electronic equipment based on shared data. Background technique [0002] In the era of big data, various forms of useful information can be obtained by mining massive data, so the importance of data is self-evident. Different institutions have their own data, but the data mining effect of any institution will be limited by the amount and type of data it owns. Aiming at this problem, a direct solution is: multiple institutions cooperate with each other to share data, so as to achieve better data mining effect and achieve a win-win situation. [0003] However, for the data owner, the data itself is a valuable asset, and due to the needs of protecting privacy and preventing leakage, the data owner is often unwilling to provide the data directly. Modeling of shared data" is difficult to actually work in reality. Therefore, how to realiz...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/176G06F16/21G06N20/00G06F16/2458G06F21/62
CPCG06F21/6245G06F2221/2125G06F16/2465G06N20/00
Inventor 周俊李小龙
Owner ADVANCED NEW TECH CO LTD