Data quality perception excitation method for privacy protection in group perception

A privacy-preserving, data-aware technology, applied in the field of information security

Active Publication Date: 2020-06-05
SOUTH CHINA UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the shortcomings and deficiencies of the prior art, and propose a data quality perception incentive method for privacy protection in group perception, which solves the problems of data quality evaluation and data privacy in group perception incentives, and proves that participants provide Whether the perceived

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  • Data quality perception excitation method for privacy protection in group perception
  • Data quality perception excitation method for privacy protection in group perception

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Embodiment Construction

[0037] The present invention will be further described below in conjunction with specific examples.

[0038] The data quality perception incentive method for privacy protection in group perception provided by this embodiment is based on the principle of zero-knowledge proof and identity anonymity in semi-trusted perception service providers to complete the evaluation and incentive of privacy data quality. In the non-secure channel, the submitted data is encrypted by the public key cryptography algorithm to protect the confidentiality of the data. Under budget constraints, the relationship between data quality and incentives is effectively coordinated. Malicious behavior of task issuers and participants can be effectively prevented by two-level data quantity measurement and prepayment of part of incentive rewards.

[0039] First, the task publisher initializes its own public-private key pair, publishes the task content, public key and parameters to the service provider, and re...

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Abstract

The invention discloses a data quality perception excitation method for privacy protection in group perception. According to the method, data quality evaluation of privacy protection and excitation based on data quality are realized on the basis of a zero knowledge proof principle and an anonymity technology. A task publisher publishes a collection value range, task participants are recruited by perception service providers, the participants hide data in the constructed commitment to participate in the evaluation of the perception service providers, the task publisher verifies the reliabilityof data submitted by the task participants, the perception service providers provide an anonymous technology for the participants to protect the identity privacy of the participants, and data qualityexcitation under privacy protection is achieved under task budget constraints through measurement of two-stage data quality and an excitation mechanism based on the data quality. According to the method, the identity privacy of the user is protected, and the reliability of the data of the participants is evaluated in a privacy protection manner.

Description

technical field [0001] The invention relates to the technical field of information security, in particular to a data quality perception incentive method for privacy protection in group perception. Background technique [0002] In recent years, with the popularity of mobile sensor devices and the development of mobile device communication technology, mobile group sensing is becoming a new data collection paradigm. Crowd sensing applications include three main entities: a task requester, a sensing service provider, and a group of participants. The task requester outsources the perception task to the perception service provider, and the perception service provider recruits a group of qualified participants to perform the task for the perception task. The characteristics of easy deployment, wide coverage and low maintenance cost of group sensing applications bring great convenience to large-scale data collection. However, due to the uneven parameters of sensing devices and unco...

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Application Information

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IPC IPC(8): H04W12/02H04L9/32H04L29/06
CPCH04L9/3221H04L9/3271H04L63/12H04W12/02H04W12/033
Inventor 蒋云赵搏文唐韶华
Owner SOUTH CHINA UNIV OF TECH
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