独立架构下自适应情境的位置隐私保护方法

doi:10.3969/j.issn.1001-2400.2014.03.033

J4 ›› 2014, Vol. 41 ›› Issue (3): 214-220.doi: 10.3969/j.issn.1001-2400.2014.03.033

• 研究论文 • 上一篇

独立架构下自适应情境的位置隐私保护方法

毛典辉^1,2;蔡强^1,2;李海生^1,2;曹健^1,2

(1. 北京工商大学计算机与信息工程学院，北京 100048；
2. 北京工商大学国有资产管理协同创新中心，北京 100048)

收稿日期:2013-08-09 出版日期:2014-06-20 发布日期:2014-07-10
通讯作者: 毛典辉
作者简介:毛典辉(1979-)，男，讲师，博士，E-mail：maodh@th.btbu.edu.cn．
基金资助:
北京市属高等学校青年英才计划资助项目(YETP1452)；北京工商大学国有资产管理协同创新中心资助项目(GZ20131102)；北京工商大学青年科研启动基金资助项目(QNJJ2013-13)；北京市属高等学校人才强教计划资助项目(PHR201108075)；北京市属学校科学技术与研究生教育创新工程建设资助项目(PXM2013_014213_000030_00042300)

Context-aware location privacy protection technique without TTP and user cooperation

MAO Dianhui^1,2;CAI Qiang^1,2;LI Haisheng^1,2;CAO Jian^1,2

(1. School of Computer and Info. Eng., Beijing Technol. and Business Univ., Beijing 100048， China;
2. Collaborative Innovation Centre for State-owned Assets Administration, Beijing Technol. and Business Univ., Beijing 100048， China)

Received:2013-08-09 Online:2014-06-20 Published:2014-07-10
Contact: MAO Dianhui

摘要/Abstract

摘要：

针对基于位置的服务位置隐私保护系统中可信第三方匿名服务器易受攻击的架构弊端以及用户间合作稳定性因时空变化而无法保证的问题，在无可信第三方、非合作模式下，提出一种自适应情境的位置隐私保护方法．通过服务器端构建多粒度抽象路网与位置情境模型，解决终端实时位置情境信息感知的通信问题；同时，根据终端用户的个性化通信成本与位置隐私保护强度设置，实现查询点与查询区域的自适应选取．实验结果表明，该方法实现了隐私保护度与通信开销、计算开销的平衡．

关键词: 基于位置的服务, 位置隐私保护, 情境感知, 情境建模

Abstract:

Most current privacy-preserving techniques either require a trusted third-party (TTP) anonymizer or have proved to be quivering in the users' cooperative stability when temporal-spatial scenes change in located-based service (LBS). In order to address these challenges, this paper introduces an adaptive context-aware privacy-preserving technique without TTP and user cooperation: the context of a user's location can be real-time achieved based on the multi-granularity abstract road-networks from the LBS server. Furthermore, the usage of the context-aware technique ensures adaptability to the user's personalized privacy settings, and enables the LBS server to retrieve the minimal regional road-network and incremental nearest-neighbor results. Theoretical analysis and experimental results validate the technique's effectiveness on LBS accuracy, privacy protection and communication QoS (Quality-of-Service).

Key words: located-based service, location privacy protection, context awareness, context modelling

毛典辉;蔡强;李海生;曹健. 独立架构下自适应情境的位置隐私保护方法[J]. J4, 2014, 41(3): 214-220.

MAO Dianhui;CAI Qiang;LI Haisheng;CAO Jian. Context-aware location privacy protection technique without TTP and user cooperation[J]. J4, 2014, 41(3): 214-220.

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独立架构下自适应情境的位置隐私保护方法

Context-aware location privacy protection technique without TTP and user cooperation

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