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Anonymous method based on sensitive hierarchical information entropy

An information entropy and sensitive technology, which is applied in the direction of instrumentation, computing, electrical digital data processing, etc., can solve the problem of low data availability

Pending Publication Date: 2022-06-03
GUILIN UNIVERSITY OF TECHNOLOGY
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to provide an anonymity method based on sensitive hierarchical information entropy, which aims to solve the problem of low data availability after data anonymization in existing anonymization methods

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  • Anonymous method based on sensitive hierarchical information entropy
  • Anonymous method based on sensitive hierarchical information entropy
  • Anonymous method based on sensitive hierarchical information entropy

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Embodiment Construction

[0033] The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.

[0034] see Figure 1 to Figure 4 , the present invention provides an anonymous method based on sensitive hierarchical information entropy, comprising the following steps:

[0035] S1 obtains the published dataset;

[0036] The specific method is: S11 obtains the original data set;

[0037] Specifically, for example, the original data set of the patient information record table of a hospital is obtained.

[0038] S12 Classifies the published data set to obtain identification attributes...

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Abstract

The invention relates to the technical field of data anonymity, in particular to an anonymity method based on sensitive hierarchical information entropy, which comprises the following steps: acquiring a published data set; establishing an anonymous model based on the published data set; establishing an information loss measurement standard model based on the information entropy of the published data set; traversing the published data set based on the information loss measurement standard model to obtain a maximum tuple with the maximum privacy security index, and adding the maximum tuple into a corresponding equivalent group in the anonymous model; and replacing the value of the maximum tuple with the quasi-identification attribute center of the equivalent group to obtain an anonymous data set, and processing the published data set by introducing an information loss measurement standard model established by the information entropy and an anonymous model to obtain the anonymous data with the highest information entropy, namely the highest data availability. The problem that an existing anonymous method is low in data availability after data anonymization is solved.

Description

technical field [0001] The invention relates to the technical field of data anonymity, in particular to an anonymous method based on sensitive hierarchical information entropy. Background technique [0002] In the context of the era of big data, a large amount of personal data is collected and released, such as consumption data, hospitalization data, etc. Mining and analyzing these data can promote the development of science and business, but the data contains a lot of personal privacy, and there is a risk of private information leakage. Data anonymity technology can effectively reduce the risk of personal privacy information leakage, while ensuring the availability of data. Since the shared data is often used to participate in decision-making after data analysis, the data publisher should keep the stability of the data table structure and the authenticity of the data as much as possible while considering the privacy protection, so as to improve the availability of the data...

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Application Information

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IPC IPC(8): G06F21/62
CPCG06F21/6254
Inventor 张攀峰石昆正张文勇杜慧董明刚程小辉
Owner GUILIN UNIVERSITY OF TECHNOLOGY
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