Zhong Cheng, Liu Lei, Zhao Jing
School of Computer and Electronics and Information, Guangxi University, Nanning, Guangxi 530004, China.
ScientificWorldJournal. 2014 Mar 25;2014:751845. doi: 10.1155/2014/751845. eCollection 2014.
An efficient location-based query algorithm of protecting the privacy of the user in the distributed networks is given. This algorithm utilizes the location indexes of the users and multiple parallel threads to search and select quickly all the candidate anonymous sets with more users and their location information with more uniform distribution to accelerate the execution of the temporal-spatial anonymous operations, and it allows the users to configure their custom-made privacy-preserving location query requests. The simulated experiment results show that the proposed algorithm can offer simultaneously the location query services for more users and improve the performance of the anonymous server and satisfy the anonymous location requests of the users.
给出了一种在分布式网络中保护用户隐私的高效基于位置的查询算法。该算法利用用户的位置索引和多个并行线程，快速搜索并选择所有具有更多用户且其位置信息分布更均匀的候选匿名集，以加速时空匿名操作的执行，并且允许用户配置其定制的隐私保护位置查询请求。模拟实验结果表明，所提出的算法能够同时为更多用户提供位置查询服务，提高匿名服务器的性能，并满足用户的匿名位置请求。
