全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

AgPrivacy:一种代理服务的LBS隐私保护方法

Keywords: 基于位置的服务,隐私保护,位置隐私,网络安全

Full-Text   Cite this paper   Add to My Lib

Abstract:

针对动态P2P环境中用户隐私保护效果与服务质量难以平衡的问题,提出了一种位置隐私保护方法——AgPrivacy:在用户自组织的P2P网络中,用户消费服务时,首先对真实位置模糊化,然后选择代理用户进行转发增量近邻查询.该方法通过切断消费用户与服务提供商间的直接关联,保护用户隐私;同时为了提高系统服务质量,引入通讯成本估算方法确定查询点,采用Voronoi图技术过滤查询结果,减少系统的通讯开销,不仅从理论上分析了该方法具有较高的位置隐私保护效果,而且通过实验与SpaceTwist算法进行了性能比较.实验结果表明:该方法具有较高的性能优势,实现了隐私保护度与服务质量的平衡.

References

[1]  CHOW C,MOKEL MF,LIU X.A peer to peer spatial cloaking algorithm for anonymous location based service[C]∥Proceedings of 14th ACM International Symposium on Geographic Information Systems.Arlington:[s.n.],2006:171-178.
[2]  徐建,黄孝喜,郭鸣,等.动态P2P网络中基于匿名链的位置隐私保护[J].浙江大学学报,2012,46(4):712-718.XU Jian,HUANG Xiao-xi,GUO Ming,et al.Location privacy through anonymous chain in dynamic P2P network[J].Journal of Zhejiang University,2012,46(4):712-718.(in Chinese)
[3]  ACHARYA S,POOSALA V,RAMAS S.Selectivity estimation in spatial databases[C]∥Proceedings of the ACM SIGMOD International Conference on Management of Data(SIGMOD).NJ:[s.n.],1999:13-24.
[4]  周傲英,杨彬,金澈清,等.基于位置的服务:架构与进展[J].计算机学报,2011,34(7):1155-1171.ZHOU Ao-ying,YANG Bin,JIN Che-qing,et al.Location based services:architecture and progress[J].Chinese Journal of Computers,2011,34(7):1155-1171.(in Chinese)
[5]  何泾沙,徐菲,徐晶.基于位置的服务中用户隐私保护方法[J].北京工业大学学报,2010,36(8):1130-1134.HE Jing-sha,XU Fei,XU Jing.Method for privacy protection in location-based services[J].Journal of Beijing University of Technology,2010,36(8):1130-1134.(in Chinese)
[6]  GEDIK B,LIU L.Location privacy in mobile systems:a personalized anonymization model[C]∥Proceedings of the25th International Conference on Distributed Computing Systems.Columbus:[s.n.],2005:620-629.
[7]  黄毅,霍峥,孟小峰.CoPrivacy:一种用户协作无匿名区域的位置隐私保护方法[J].计算机学报,2011,34(10):1975-1985.HUANG Yi,HUO Zheng,MENG Xiao-feng.CoPrivacy:a collaborative location privacy-preserving method without cloaking region[J].Chinese Journal of Computers,2011,34(10):1975-1985.(in Chinese)
[8]  YIU M L,CHRISTIAN S.JENSON,et al.Design and analysis of a ranking approach to private location-based services[J].ACM Transactions on Database Systems,2011,36(2):1-46.
[9]  LIN X,ZHOU L C,CHEN P.Privacy preserving reverse nearest neighbor queries processing on road network[J].Computer Science,2012,7419:19-28.
[10]  BRINKHOFF T.A framework for generating network based moving objects[J].GeoInformatica,2000,6(2):153-180.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133