基于SpaceTwist改进的位置隐私保护方法

发布时间：2018-03-16 19:13

本文选题：位置隐私保护　切入点：基于位置的服务　出处：《河北大学学报(自然科学版)》2017年03期 　论文类型：期刊论文

【摘要】：移动互联网中基于位置服务的查询质量与位置隐私保护二者的权衡问题是目前研究热点之一.提出一种基于SpaceTwist方案的k匿名增量查询位置隐私保护方法,采用客户-服务器架构,对用户真实位置形成k匿名区并以供应匿名区形心作为锚点,经匿名变换后将真实位置排除于匿名区域外,并以增量形式改变查询范围来返回查询结果集.避免使用第三方服务器使其成为攻击点,在提高查询准确度的同时保证了用户位置隐私的效果.
[Abstract]:The tradeoff between location service based query quality and location privacy protection in mobile Internet is one of the research hotspots at present. This paper proposes a k-anonymous incremental location privacy protection method based on SpaceTwist scheme. Based on the client-server architecture, k anonymous area is formed for the user's real location and the center of the supplied anonymous area is used as the anchor point. After anonymous transformation, the real location is excluded from the anonymous area. The query result set is returned by changing the query range incrementally, and the third party server is avoided as an attack point, which can improve the accuracy of query and ensure the user's location privacy at the same time.
【作者单位】：河北大学计算机科学与技术学院;
【基金】：国家科技支撑计划项目(2013BAK07B04) 河北省自然科学基金资助项目(F2014201152)
【分类号】：TN929.5;TP309;TP393.01

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