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Data publishing method and system

A technology for data release and publisher, applied in the field of information security, can solve problems such as the need to improve the accuracy of evaluation, and achieve the effect of reducing the risk of data leakage

Pending Publication Date: 2022-03-01
GUIZHOU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, in the process of data sharing and publishing of existing technologies, the accuracy of data leakage risk assessment after data privacy protection needs to be improved

Method used

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  • Data publishing method and system

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Embodiment Construction

[0063] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.

[0064] The purpose of the present invention is to provide a data publishing method and system, which reduces the risk of data leakage.

[0065] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0066] figure 1 It is a schematic flow chart of a data publishing method of...

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Abstract

The invention relates to a data publishing method and system. The method comprises the steps that sensitive attribute weights of all set fields in original data provided by a data publisher are determined according to information entropy; determining an association attribute weight of each set field according to the conditional entropy and the information gain; determining a privacy weight of each set field according to the sensitive attribute weight and the associated attribute weight; performing non-negative numeralization processing on the data of the set field to obtain a privacy sensitive data matrix; obtaining a privacy sensitive data matrix with a privacy weight; performing norm calculation on the privacy sensitive data matrix with the privacy weight to determine a privacy risk leakage coefficient; judging whether the privacy risk leakage coefficient is within a set range or not; and if the privacy risk leakage coefficient is not within the set range, desensitizing the data corresponding to each set field in the original data, replacing the data corresponding to the set fields with the desensitized data, and recalculating the privacy risk leakage coefficient until the privacy risk leakage coefficient conforms to the set range. According to the invention, the risk of data privacy leakage is reduced.

Description

technical field [0001] The present invention relates to the technical field of information security, in particular to a method and system for publishing data. Background technique [0002] With the rapid development and popularization of mobile technology and 5G networks, massive amounts of data continue to be generated in various industries such as consumer medicine. With the precipitation and accumulation of data, the value of data research and utilization is constantly emerging. The analysis of personal information by big data and artificial intelligence is becoming more and more serious, resulting in more and more serious leakage of personal privacy. Nowadays, the rapid development of cloud services has realized the calculation, storage and release of data. Now scientific research institutions, banks, medical institutions and other units are willing to share some data for data mining and technology research and development under the condition of data security. Before t...

Claims

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Application Information

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IPC IPC(8): G06F21/62G06F17/16
CPCG06F21/6245G06F21/6227G06F17/16
Inventor 彭长根罗康丁红发谭伟杰
Owner GUIZHOU UNIV
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