Location Privacy in Sparse Environment

被引：4
|
作者：
Liu, Heng [1 ]
Wang, Tiejun [1 ]
Sun, Ming [1 ]
Liu, Zhen [1 ]
Zhou, Mingtian [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Engn & Comp Sci, Chengdu 610054, Sichuan, Peoples R China
来源：
2ND IEEE INTERNATIONAL CONFERENCE ON ADVANCED COMPUTER CONTROL (ICACC 2010), VOL. 4 | 2010年
关键词：
pervasive computing; Location privacy; dummy user; Location-aware system;
D O I：
10.1109/ICACC.2010.5486958
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Privacy of personal location information is becoming an increasingly important issue. This paper develops new methods for location privacy in sparse environment based on dummy users. The true user has been mixed with a set of dummy users in that LBSs can't distinguish the true user so as to protect user location privacy. We present two techniques, the first one is called "dummy user trigger algorithm", which is able to achieve the balance of user's Location privacy and system performance, and the second one is named "dummy user generation algorithm" based on the period density matrix which enhances the truthfulness of dummy user.
引用
收藏
页码：258 / 261
页数：4
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