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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. 西安电子科技大学网络与信息安全学院,陕西 西安 710071
[ "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" ]
[ "王春茹(1990- ),女,山西洪洞人,山西师范大学硕士生,主要研究方向为数据隐私保护" ]
[ "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,主要研究方向为网络信息安全、模式识别" ]
[ "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、大数据安全和隐私保护" ]
网络出版日期:2020-03,
纸质出版日期:2020-03-25
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王洁, 王春茹, 马建峰, 等. 基于位置语义和查询概率的假位置选择算法[J]. 通信学报, 2020,41(3):53-61.
Jie WANG, Chunru WANG, Jianfeng MA, et al. Dummy location selection algorithm based on location semantics and query probability[J]. Journal on communications, 2020, 41(3): 53-61.
王洁, 王春茹, 马建峰, 等. 基于位置语义和查询概率的假位置选择算法[J]. 通信学报, 2020,41(3):53-61. DOI: 10.11959/j.issn.1000-436x.2020061.
Jie WANG, Chunru WANG, Jianfeng MA, et al. Dummy location selection algorithm based on location semantics and query probability[J]. Journal on communications, 2020, 41(3): 53-61. DOI: 10.11959/j.issn.1000-436x.2020061.
针对传统位置隐私保护方案中未充分考虑攻击者拥有背景知识而导致的隐私泄露问题,基于位置语义和查询概率提出一种假位置选择算法。在假位置集中的位置之间满足语义差异性、查询概率相近且地理位置尽量分散的条件下,避免了攻击者结合背景知识过滤假位置,同时保证了查询结果的精确性。仿真实验验证了所提算法能有效保护用户的位置隐私。
Aiming at the problem of privacy leakage caused by attackers possessing background knowledge in traditional location privacy protection schemes
a dummy location selection algorithm based on location semantics and query probability was proposed.Under the conditions that the locations in the dummy location set satisfied semantic difference
similar query probability
and geographically dispersed
it avoided attackers who filter dummy locations by combining background knowledge
and the accuracy of query results was guaranteed.Simulation experiments verify that the proposed algorithm can effectively protect the user’s location privacy.
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