PTPP: Preference-Aware Trajectory Privacy-Preserving over Location-Based Social Networks von 朱亮(LIANG ZHU), 谢海永(HAIYONG XIE), 刘弋锋(YIFENG LIU), 关建峰(JIANFENG GUAN), 刘杨(YANG LIU), 熊永平(YONGPING XIONG)

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