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Edge randomization algorithm of social network group and authority control method

A technology of social network and authority control, applied in the field of social network, can solve protection and other problems, and achieve the effect of privacy protection, increasing difficulty and improving security

Pending Publication Date: 2020-04-24
上海快易名商云科技股份有限公司
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  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem of only protecting node attributes in the existing privacy protection mechanism, the purpose of the present invention is to provide an edge randomization algorithm and authority control method for social network groups

Method used

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  • Edge randomization algorithm of social network group and authority control method

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Embodiment Construction

[0023] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0024] see figure 1 . It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. Limiting conditions, so there is no technical substantive meaning, any modification of structure, change of proportional relationship or adjustment of size, without affecting the effect and purpose of the present invention, should still fall within the scope of the present invention. The disclosed technical content must be within the scope covered. At the same time, term...

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Abstract

The invention discloses an edge randomization algorithm of a social network group. The process is as follows: inputting a free point group and a conservative point group after social network classification, an adjacent rectangle M of an original image, an unsigned Lass matrix R of the original image and a randomization degree K; firstly, calculating a characteristic value and a characteristic vector (A1, A2) of M according to a mathematical formula; r is a characteristic value and a characteristic vector (B1, B2); and randomly selecting one edge (m, n) from the free group graph G, if i% 4 is equal to 0 and a-A1 is greater than or equal to | | H |, finding out all the edges meeting the conditions a > A1 and b > B1 in the free group graph G1, and if the edges do not meet the conditions, searching for the edges meeting the conditions in the conservative group graph G2. The invention relates to the technical field of social networks. According to the method and the device, the problem thatonly node attributes are protected in an existing privacy protection mechanism is solved.

Description

technical field [0001] The present invention relates to the technical field of social network, in particular to a side randomization algorithm and authority control method of a social network group. Background technique [0002] A social network is a complex network whose data features include nonlinearity, large capacity, scale-free, and high-dimensionality. Due to the needs of scientific research and data application sharing, social network data is collected and released in large quantities. The problem of abuse of private information has arisen, so how to achieve safe and efficient privacy data protection and access control is one of the important issues that social networks need to solve. [0003] The most basic schemes in the existing privacy protection mechanisms will have attribute-based privacy protection. However, with the development of social network attack technology, it is not enough to protect node attributes only. For example, the published social relationship...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/901G06F16/903G06Q50/00
CPCG06F16/9024G06F16/90335G06Q50/01
Inventor 黄敬轩王栋鑫
Owner 上海快易名商云科技股份有限公司
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