Numerical data query method and device, equipment and storage medium

A data query and numerical technology, applied in the direction of digital data protection, electronic digital data processing, digital data information retrieval, etc., can solve the problems of increased risk of privacy leakage, reduce the risk of privacy leakage, and achieve scientific and reasonable budget consumption Effect

Pending Publication Date: 2021-10-08
PINGAN INT SMART CITY TECH CO LTD
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AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to solve the technical problem that the risk of privacy leakage increases as the number of numerical data queries increases in the privacy protection method

Method used

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  • Numerical data query method and device, equipment and storage medium
  • Numerical data query method and device, equipment and storage medium
  • Numerical data query method and device, equipment and storage medium

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Embodiment Construction

[0031] Embodiments of the present invention provide a numerical data query method, device, equipment and storage medium. For the existing numerical data query method, the present invention proposes to obtain the corresponding total budget consumption value of the original data query, and then calculate the budget consumption boundary of the original data according to the total budget consumption value, and construct the original data query according to the budget consumption boundary The corresponding convergence function, through the numerical data query request of the original data uploaded by the client, determines the original target data of this numerical data query according to the numerical data query request, and calculates the value of this numerical data query according to the convergence function. The budget consumption value, and then use the calculated budget consumption value to randomize the target data, obtain the query result and return it to the client. This ...

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Abstract

The invention relates to the technical field of artificial intelligence, and discloses a numerical data query method and device, equipment and a storage medium. The method comprises the steps of determining a corresponding budget consumption value boundary during numerical data query according to priori knowledge after obtaining original data, calculating an initial budget consumption value of the original data according to the budget consumption value boundary, and constructing a convergence function corresponding to the original data query by adopting the initial budget consumption value; acquiring a numerical data query request for original data uploaded by a client, determining target original data of the numerical data query, calculating a budget consumption value of the numerical data query by adopting the convergence function, and randomizing the target original data to obtain a query result; and returning the query result to the client. According to the method, the privacy leakage caused by multiple numerical data queries carried out by the combined differential privacy is reduced.

Description

technical field [0001] The present invention relates to the technical field of artificial intelligence, in particular to a numerical data query method, device, equipment and storage medium. Background technique [0002] With the widespread popularization of the Internet and the advent of big data, various resources of great commercial value and social value have been generated. It can be seen that in today's society, data has become an important factor of new productivity, and will then become a major factor for steam engines, oil and gas. After , electricity, it has gradually become an important driving force of the fourth industrial revolution based on information technology, and the potential and valuable information contained in these massive data has attracted people from academia, industry and government The upsurge of big data research by departments and others. [0003] However, compared with other production factors such as capital, technology, labor and land, data...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/62G06F16/245G06F16/27G06F16/28
CPCG06F21/6245G06F16/245G06F16/27G06F16/284
Inventor 吕子剑
Owner PINGAN INT SMART CITY TECH CO LTD
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