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1. 山西师范大学数学与计算机科学学院,山西 临汾 041099
2. 西安电子科技大学计算机科学与技术学院,陕西 西安 710071
[ "李洪涛(1984- ),男,山东临沂人,博士,山西师范大学副教授、硕士生导师,主要研究方向为网络信息安全、大数据安全及隐私保护、物联网安全等" ]
[ "任晓宇(1996- ),女,山西大同人,山西师范大学硕士生,主要研究方向为大数据安全及隐私保护、物联网安全等" ]
[ "王洁(1977- ),女,山西霍州人,博士,山西师范大学副教授、硕士生导师,主要研究方向为网络信息安全、数据隐私保护" ]
[ "马建峰(1963- ),男,陕西西安人,博士,西安电子科技大学教授、博士生导师,主要研究方向为信道编码、密码学、无线和移动安全、系统可生存性等" ]
网络出版日期:2021-08,
纸质出版日期:2021-08-25
移动端阅览
李洪涛, 任晓宇, 王洁, 等. 基于差分隐私的连续位置隐私保护机制[J]. 通信学报, 2021,42(8):164-175.
Hongtao LI, Xiaoyu REN, Jie WANG, et al. Continuous location privacy protection mechanism based on differential privacy[J]. Journal on communications, 2021, 42(8): 164-175.
李洪涛, 任晓宇, 王洁, 等. 基于差分隐私的连续位置隐私保护机制[J]. 通信学报, 2021,42(8):164-175. DOI: 10.11959/j.issn.1000-436x.2021123.
Hongtao LI, Xiaoyu REN, Jie WANG, et al. Continuous location privacy protection mechanism based on differential privacy[J]. Journal on communications, 2021, 42(8): 164-175. DOI: 10.11959/j.issn.1000-436x.2021123.
针对连续使用基于位置的服务(LBS)会造成用户位置隐私泄露的问题,首先基于路网拓扑关系,提出了隐私级别划分算法——RPL算法,对敏感路段进行隐私级别划分。然后,提出差分隐私位置保护机制DPLPM,通过为敏感路段分配隐私预算并添加 Laplace 噪声,实现对位置数据的隐私保护。实验结果表明,所提机制能有效保护位置隐私,具有较高的数据可用性。
Aiming at the problem of users’ location privacy leakage caused by continuously using LBS
a road privacy level (RPL) algorithm was proposed based on road topological network
which divided the privacy level of the road sections around the sensitive locations.Then
a differential privacy location protection mechanism (DPLPM) was proposed.Privacy budget was allocated for sensitive road sections and Laplace noise was added to realize the privacy protection of location data.The experimental results show that the mechanism has high data availability while protecting the privacy of location information.
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