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摘要
with blooming of location-based services,location privacy leak issues become serious and become one of the most important issues of location-based services.we propose one solution called anonymous region scaling to protect people’s location privacy,generating a anonymous area with a location different from the user’s actual location,the user’s actual location is not in the anonymous area,after the process of the trusted location anonymous server to the anonymous area queries results of the user’s neighbor objects,finally get the accurate inquire results through computing distances between their locations and the kNN results,this solution can effectively protect the location privacy and at the same time,improve the query efficiency.Theory and the experimental results show that the proposed method in this paper guarantee the lower communication overhead,and provide a better effective location privacy protection.
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