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While enjoying the convenience of MSN services, the mobile users also are confronted with the risk of location disclosure, which is a severe privacy preserving concern. In this paper, we focus on the problem of location privacy preserving in MSN. Particularly, we propose a repartitioning anonymous region for location privacy preserving (RPAR) scheme based on the central anonymous location which minimizes the traffic between the anonymous server and the LBS server while protecting the privacy of the user location. Furthermore, our scheme enables the users to get more accurate query results, thus improving the quality of the location service. Simulation results show that our proposed scheme can effectively reduce the area of anonymous regions and minimize the traffic.<\/jats:p>","DOI":"10.1155\/2018\/6829326","type":"journal-article","created":{"date-parts":[[2018,11,5]],"date-time":"2018-11-05T18:31:44Z","timestamp":1541442704000},"page":"1-10","source":"Crossref","is-referenced-by-count":9,"title":["RPAR: Location Privacy Preserving via Repartitioning Anonymous Region in Mobile Social Network"],"prefix":"10.1155","volume":"2018","author":[{"given":"Jinquan","family":"Zhang","sequence":"first","affiliation":[{"name":"College of Computer Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China"},{"name":"Shandong Province Key Laboratory of Wisdom Mine Information Technology, Shandong University of Science and Technology, Qingdao 266590, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yanfeng","family":"Yuan","sequence":"additional","affiliation":[{"name":"College 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