An application-oriented privacy protection classification method and device
A privacy protection and grading method technology, applied in the field of privacy protection grading methods and devices, to achieve precise privacy protection and improve usability
Inactive Publication Date: 2020-12-04
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology
[0004] Embodiments of the present invention provide an application-oriented privacy protection grading method and device to solve the existing problem that the privacy protection of multi-dimensional data in different application scenarios has individualized requirements
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[0022] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0023] figure 1 It is a flow chart of an application-oriented privacy protection grading method provided by an embodiment of the present invention. The execution body of the method is a privacy protection grading device, which can be installed or integrated on a computer or server, such as figure 1 As shown, the method includes:
[0024] Step 10...
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The embodiment of the invention provides an application-oriented privacy protection grading method and device. The method comprises: based on differentiated privacy protection requirements and data utility requirements in different application scenes, determining corresponding sensitive attributes and key attention attributes in multi-dimensional data; based on sensitive attributes and key attention attributes in the multi-dimensional data, performing correlation analysis and clustering analysis on the multi-dimensional data, and determining privacy protection levels of data hierarchies in themulti-dimensional data, wherein each data layer comprises a data layer, an attribute layer and a numerical value layer; and determining parameters of a privacy protection algorithm based on the privacy protection level of each data level in the multi-dimensional data, and performing privacy protection on the multi-dimensional data based on the privacy protection algorithm after the parameters aredetermined. A personalized privacy protection scheme considering both data privacy and availability can be quickly given for flexible and changeable application scenes, accurate privacy protection ofdata is realized, and the availability of multi-dimensional data is improved.
Description
technical field [0001] The present invention relates to the technical field of information security, in particular to an application-oriented privacy protection classification method and device. Background technique [0002] With the intersection and fusion of data, multi-party data sharing for data mining and behavior analysis has great application value. However, the privacy protection of multi-source fusion data in different application scenarios has individual privacy requirements: for different data providers, the definitions of data sensitive attributes are different, and there are individual privacy protection requirements; for different data users, the key The data attributes of concern are different, and there are differentiated data utility requirements. [0003] For the privacy protection of high-dimensional sensitive data publishing in different application scenarios, most traditional publishing methods usually perform unified data processing on the entire data ...
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IPC IPC(8): G06F21/62G06F16/2458G06F16/25
CPCG06F21/6245G06F16/2465G06F16/254
Inventor 罗涛王艺宁宋海娜王寻王楠李剑峰
Owner BEIJING UNIV OF POSTS & TELECOMM