JOURNAL ARTICLE

Protecting Location Privacy in Location-based Services in Mobile Environments

Zhi-yu PengShanping Li

Year: 2011 Journal:   JOURNAL OF ELECTRONICS INFORMATION TECHNOLOGY Vol: 33 (5)Pages: 1211-1216   Publisher: Chinese Academy of Sciences, Institute of Electronics

Abstract

用k匿名模型对基于位置信息的服务(LBS)中的位置隐私进行保护是近年来研究的热点。在移动用户不断发出查询的场景下,该文提出了移动模式攻击(MPA),使得传统的针对孤立查询的隐私保护算法均失效。基于熵理论,提出了熵匿名度度量,并以此为基础提出了移动环境下的模糊化算法Mclique,实验证明其有效地抵御了MPA攻击。通过简化Mclique算法中熵的计算,提出了快速模糊化算法Fclique,实验证明Fclique不仅仍具有较强的MPA抵御能力,且极大提高了时间效率。

Keywords:
Location-based service Computer science Computer security Internet privacy Hybrid positioning system Computer network Engineering Positioning system

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Citation History

Topics

Privacy-Preserving Technologies in Data
Physical Sciences →  Computer Science →  Artificial Intelligence
Vehicular Ad Hoc Networks (VANETs)
Physical Sciences →  Engineering →  Electrical and Electronic Engineering
Data Management and Algorithms
Physical Sciences →  Computer Science →  Signal Processing

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