Abstract
ABSTRACTLocation-based services in social networks provide much convenience for people but bring much risk of location privacy disclosure. Aiming at this problem, a location privacy preservation algorithm based on RCCAM access control model is proposed to assign the accessing users of the access permission and the visibility level of location information through the combination of conflict resolution strategy, permission allocation strategy and location generalization strategy. RCCAM is a relationship-based multi-users cooperation access control model, which takes the same shared contents that may involves the privacy profits of multi-users into consideration. The core of the algorithm is the value of open tendency which depends on the location sensitivity and the intimacy between the users. The conflict resolution strategy adopts the value of open tendency to vote for concessions. The permission allocation strategy and location generalization strategy to obtain the specific access permission and the location visibility level for accessing users according to the value of open tendency. The algorithm can achieve fine-grained control of location publishing of the shared content which involves stakeholder's privacy profit and maintain the sharing will of promulgator as possible.
Highlights
The rapid development of the internet has promoted the widespread use of social network
This paper proposes a relation-based multi-users corporative access control model (RCCAM) and combines conflicts resolution strategy, permission allocation strategy and location generalization strategy to achieve the RCCAM-based location publishing strategy
Aiming at the above problem, this paper proposes a location publishing strategy based on multi-user corporation access control model(RCCAM) to solve the problem of how to protect the privacy of other users when the content influent multiple users’ privacy
Summary
The rapid development of the internet has promoted the widespread use of social network. The internet has provided users with rich and personalized services such as location-based services. All these services can be applied to share photos, videos and texts associated with location information which provide users with better experience and more convenience. The leakage of user’s privacy cannot be inevitable when user shares location information to others if the user has low privacy protection awareness. Naini F et al[1] considers that users can be identified by attracters through the exposure of location information which will result in incalculable losses[2]. Many users are concerned about the leakage of their location privacy. This paper proposes an access control based method to protect location privacy
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