K-anonymity incentive mechanism based on local reputation storage

An incentive mechanism and reputation technology, applied in location-based services, wireless communications, electrical components, etc., to avoid performance bottlenecks and security issues, increase motivation, and improve overall performance and privacy.

Active Publication Date: 2014-11-26
XIDIAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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  • K-anonymity incentive mechanism based on local reputation storage
  • K-anonymity incentive mechanism based on local reputation storage
  • K-anonymity incentive mechanism based on local reputation storage

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Embodiment Construction

[0042] The present invention will be further described below in conjunction with the accompanying drawings. It should be noted that this embodiment is based on the technical solution and provides detailed implementation modes and implementation steps, but is not limited to this embodiment.

[0043] In this mechanism, the service requester C, the service provider S and the semi-trusted third-party cloud server Cloud are included. The model formed by the three is as follows: figure 1 shown.

[0044] Such as figure 2 As shown, the interaction process of the K-anonymous incentive mechanism based on local reputation storage is as follows:

[0045] The service requester C is about to initiate an LBS query and request the formation of a K-anonymous group from other nodes around. Note that C is about to conduct the n+1th transaction, and the service provider S is about to conduct the m+1th transaction. The protocol symbols of the transaction process are described as follows (taking...

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Abstract

The invention discloses a K-anonymity incentive mechanism based on local reputation storage. When a user requests an LBS needing privacy protection, a request for taking part in forming an anonymity region is sent to nearby users in a broadcasting mode, and a service provider list is obtained through returned information; through a third party cloud server, both parties send newly generated reputation certificates to each other and achieve verification, and a service provider verifies all old certificates of the service requester; after the verification is passed, the anonymity region is formed; after an inquiry service is finished, the both parties perform evaluation mutually, a public key is attached to the received reputation certificates of the other party, and then the certificates are sent back to be stored by the other party after signature, so that reputation values are accumulated. Reputation of all nodes is stored locally in a reputation certificate mode, reputation is obtained through providing anonymity services for the adjacent nodes and accumulated, in the future trade, and the anonymity services can be provided for the nodes only after the nodes reach certain reputation threshold values.

Description

technical field [0001] The invention relates to a communication technology, in particular to a K-anonymity incentive mechanism based on local reputation storage. Background technique [0002] With the explosive growth of mobile electronic devices with location services, LBS (Location Based Service, location-based service) is becoming more and more popular. Among the more successful cases are Foursquare, Google Latitude, Where and so on. Location-based service (LBS) is a kind of information and entertainment service provided based on the geographic location information of mobile devices. Taking the most popular Foursquare as an example, users can obtain coupons or game rewards provided by merchants by providing their current location and signing in. According to survey data, 74% of smart phone users over the age of 18 obtain LBS services through mobile phones. However, while the wide application of this technology brings convenience to people's life, people's location priv...

Claims

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Application Information

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IPC IPC(8): H04W12/02H04W4/02
Inventor 李兴华温明军赵婧高胜马建峰姚青松王二蒙毛立强
Owner XIDIAN UNIV
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