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More and more medical data are shared, which leads to disclosure of personal privacy information. Therefore, the construction of medical data privacy preserving publishing model is of great value: not only to make a non-correspondence between the released information and personal identity, but also to maintain the data utility after anonymity. However, there is an inherent contradiction between the...
The Maximum Clique is the most compact cohesive subgroup in Social Network. Finding the maximum clique in the Social Network has become an important aspect of social network analysis, such as privacy protection, citation and co-citation analysis, cohesive subgroup analysis et al. With the development of big data, the mass of nodes in the graph and complexity of analysis set a higher requirement for...
Although a lot of literatures have been proposed on the issue of privacy preserve with relational data, social networks bring new challenges of resisting re-identify attacks. Based on message passing, an approach of privacy preserve in social networks is proposed in this paper. Individuals are assigned to different clusters according to their quasi-identifies and structural similarity measured by...
In modern age portable handheld devices are changing the norms of traditional communication structure by introducing mobility and dynamism. In general when a mobile client wants services from a database server, the client has to continuously report its location to the server. With untrustworthy servers, location-based services (LBS) may pose a major privacy threat on its users. In this paper, we propose...
With the development of the grid technology used in business field, it becomes more and more important to preserve privacy in information sharing field. This paper proposes a privacy-preserving query middleware PPQM based on credible third party in grid database, and fulfill privacy-preserving checking algorithm in PPQM to make privacy-preserving optimization of query plan before query assignment,...
As the development of the grid technology, it becomes more and more important in commerce application to preserve privacy and prevent information from being leaked when querying in a dynamic and heterogeneous grid database. This paper proposes a privacy-preserving query middleware PVOM (privacy-preserving visual organizations mediator) based on the security requirement of heterogeneous grid nodes,...
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