Privacy protection reissuing method for multiple sensitive attribute data

A sensitive attribute and privacy protection technology, which is applied in the field of information privacy protection and release security, can solve the problems of not considering the relationship between sensitive values ​​and sensitive attributes, and not considering the release of dynamic multi-sensitive attributes, so as to resist privacy attacks Effect

Inactive Publication Date: 2014-11-19
JIANGSU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] L-diversity technology is a commonly used method of publishing privacy protection. Based on this, the multi-dimensional bucket technology is used to deal with the static publishing of multi-sensitive attributes. The m-Invariance model

Method used

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  • Privacy protection reissuing method for multiple sensitive attribute data
  • Privacy protection reissuing method for multiple sensitive attribute data
  • Privacy protection reissuing method for multiple sensitive attribute data

Examples

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Embodiment Construction

[0031] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0032] Such as figure 1 As shown, the present invention provides a method for republishing privacy protection of multi-sensitive attribute data, comprising the following steps: (1) setting a security protection parameter L, where L is a diversity parameter, indicating that each QI grouping of the release table contains at least L different records, and these records must have different sensitive attributes. If there is a correlation between multiple sensitive attributes, the sensitive attributes of the same QI group record must belong to different record security change sets;

[0033] (2) Initialize the release table for the jth time (empty anonymous table containing attributes QI, GID, SA), the GID attribute indicates the QI group number to which the record belongs;

[0034] (3) Define sensitive attribute security change sets and record sec...

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PUM

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Abstract

The invention belongs to the field of information privacy protection issuing safety, and relates to a privacy protection reissuing method for multiple sensitive attribute data. The privacy protection reissuing method includes the steps of dividing reissued data into retention data and refresh data and processing the retained data and the refreshed data and respectively processing the retained data and the refreshed data on the basis of defining privacy protection diversity parameters, sensitive attribute safety change sets and record safety change sets, issuing the retained data through an L-Inclusive model, and issuing the rest of refresh data through an L-Coverage model. According to the privacy protection reissuing method, relevance among the multiple sensitive attributes, relevance among different values of each sensitive attribute and relevance among multiple times of issuing of data are taken into full consideration, privacy attack can be effectively restrained, and the function of privacy protection issuing is achieved.

Description

technical field [0001] The invention belongs to the field of information privacy protection release security, and in particular relates to a privacy protection re-release method for multi-sensitive attribute data. Background technique [0002] In recent years, the types and quantities of various information and data collections are increasing rapidly. These data contain a large amount of private information. If the information is released directly, it will cause a serious leakage of privacy. In order to ensure the security of the information, it is necessary to perform privacy protection processing while publishing the data. Published data table attributes are generally divided into three categories: explicit identifier (Identifier), which can clearly identify the identity attribute of the record; quasi-identifier QI (Quasi Identifier), which exists in both privacy tables and appearances, and can be identified by links Individual information; sensitive attribute SA (Sensiti...

Claims

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Application Information

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IPC IPC(8): G06F21/60
CPCG06F21/6245
Inventor 金华张志祥刘善成华进
Owner JIANGSU UNIV
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