连续空间查询的位置隐私保护综述  

Survey on location privacy preservation of continuous spatial queries

作　　者：吴振刚[1,2] 孙惠平[2] 关志[1,2] 陈钟[1,2] 

机构地区：[1]北京大学信息科学技术学院,北京100871 [2]北京大学高可信软件技术教育部重点实验室,北京100871

出　　处：《计算机应用研究》2015年第2期321-325,342,共6页Application Research of Computers

基　　金：国家自然科学基金资助项目(61170263);国家"核高基"科技重大专项课题基金资助项目(2012ZX01039-004-009);信息网络安全公安部重点实验室开放课题资助项目(C11606)

摘　　要：在移动互联网中,移动用户把个人位置信息发送到位置服务提供者并通过空间查询获取兴趣点数据;在连续空间查询中,用户沿着轨迹提交多个位置信息,这导致了严重的用户隐私风险。近年来,连续空间查询的位置隐私保护技术成为无线网络安全和隐私领域的研究热点。首先介绍了位置服务中的空间查询和隐私威胁;归纳了连续空间查询的隐私保护模型,并比较了对应的隐私保护方法。最后介绍了发展趋势并指明了未来的研究方向。In the mobile Internet, mobile users send their personal location information to location based service（LBS） pro- viders and obtain point of interest（POI） data via spatial queries. In a continuous spatial query,a user submits multiple locations along his trajectory. This query led to serious user privacy risks. Recently, the location privacy preservation technique of continuous spatial queries became a research hotspot in the wireless network security and privacy area. First, this paper introduced spatial queries and privacy threats in LBS. Next, it summed up privacy preservation models for continuous spatial queries, and compared the corresponding privacy preservation methods. Finally, it indicated the trends and future directions.

关 键 词：位置服务 连续空间查询 k匿名 差分隐私 隐私信息检索 隐藏区 

分 类 号：TP309.2[自动化与计算机技术—计算机系统结构]