Distributed w-event differential privacy infinite streaming data distribution method

A data release and differential privacy technology, applied in the field of privacy and security data release, can solve problems such as expensive infrastructure deployment and additional security risks, and achieve excellent application value, high security, and leakage prevention effects

Active Publication Date: 2015-11-25
WUHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, trusted data centers have the problem of expensive infrastructure deployment and additional security risks. Therefore, how to remove trusted data centers and implement w-event-type differential privacy data publishing in a distributed manner is very important. necessary

Method used

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  • Distributed w-event differential privacy infinite streaming data distribution method
  • Distributed w-event differential privacy infinite streaming data distribution method
  • Distributed w-event differential privacy infinite streaming data distribution method

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Embodiment Construction

[0031] In order to facilitate those of ordinary skill in the art to understand and implement the present invention, the present invention will be described in further detail below in conjunction with the examples. It should be understood that the implementation examples described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0032] The thinking of the present invention is as follows:

[0033] When designing a distributed infinite streaming data publishing scheme that satisfies w-event differential privacy, it is necessary to synchronize the allocation of privacy budgets among different users. In order to realize the synchronous distribution of privacy budget among users, the present invention adopts the distributed data flow function monitoring technology, and utilizes the independent local monitoring of users to achieve the purpose of predicting the overall similarity of data. When a user detects tha...

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Abstract

The invention discloses a distributed w-event differential privacy infinite streaming data distribution method. Through adopting a function monitoring technology based on a geometrical method to assist privacy budget allocation of users, the synchronization distribution of privacy budget among the users can be achieved. Meanwhile, the data distribution scheme of the invention is independent on a credible data centre, and all transmitted data is data containing noise and has higher safety. The invention provides two high available w- event differential privacy distribution schemes which are a dBD scheme and a dBA scheme, and can be flexibly selected according to characteristics of actual data.

Description

technical field [0001] The invention belongs to the technical field of privacy and security data publishing, and relates to a method for publishing infinite stream data, in particular to a distributed data publishing method for infinite stream data satisfying w-event type differential privacy. Background technique [0002] Benefiting from the development of electronic equipment manufacturing technology, people can more conveniently obtain data such as human physiological parameters and geographical location through mobile smart devices such as smartphones and wearable devices. According to statistics, by the end of 2013, the total global sales of two types of mobile devices with network communication functions, tablets and smart phones, will reach 1.2 billion units, and by 2017, everyone in the world will own 1.4 mobile devices. These mobile devices with high-speed communication capabilities and powerful sensors have given birth to the mobile Internet and profoundly changed ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/958
Inventor 刘树波李永凯蔡朝晖王俊
Owner WUHAN UNIV
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