面向移动社交网络内容分享的位置隐私保护方法

doi:10.11959/j.issn.1000-436x.2016212

通信学报 ›› 2016, Vol. 37 ›› Issue (11): 31-41.doi: 10.11959/j.issn.1000-436x.2016212

面向移动社交网络内容分享的位置隐私保护方法

李超¹,殷丽华¹,耿魁¹(),方滨兴²

¹ 中国科学院信息工程研究所信息安全国家重点实验室，北京100093
² 东莞电子科技大学电子信息工程研究院，广东东莞 523808

出版日期:2016-11-25 发布日期:2016-11-30
基金资助:
广东省产学研合作基金资助项目;国家自然科学基金—广东联合基金资助项目;国家高技术研究发展计划（“863”计划）基金资助项目;国家“核高基”基金资助项目

Location privacy preservation approach towards to content sharing on mobile online social network

Chao LI¹,Li-hua YIN¹,Kui GENG¹(),Bin-xing FANG²

¹ State Key Laboratory of Information Security, Institute of Information Engineering, Chinese Academy of Sciences, Beijing 100093, China
² Institute of Electronic and Information Engineering, University of Electronic Science and Technology of China in Dongguan, Dongguan 523808, China

Online:2016-11-25 Published:2016-11-30
Supported by:
The Industry-University-Research Cooperation Project of Guangdong Province;The National Natural Science Foundation of China-Guangdong Union Foundation;The National High Technology R＆D Program of China (863 Program);Core Electronic Devices, High-end General Purpose Chips and Basic Soft-ware Products

摘要/Abstract

摘要：

针对移动社交网络内容分享中内容参与者的位置信息泄露问题，提出一种面向内容分享的位置隐私访问控制模型，细粒度控制分享内容中所涉及用户的敏感位置信息的访问，设计一种针对位置隐私设置的k-匿名算法，保证设置的敏感位置信息在内容分享服务提供商的服务器端不被推测，给出一种基于位置敏感度的位置偏移算法，以平衡隐私与服务质量。最后通过仿真实验验证该方法的有效性。

关键词: 位置隐私, 隐私计算, 隐私保护, 社交网络隐私

Abstract:

A privacy access control model for content sharing was presented to fine-grained control users' location infor-mation associated with sharing content in mobile social network. A k-anonymity privacy algorithm for privacy settings was given to protect against inference attack on a content sharing service provider server. To balance the privacy and quality of service, a location shifting method was presented. Finally experimental results demonstrate the validity and practicality of the proposed approach.

Key words: location privacy, privacy computing, privacy preservation, mobile social network

李超,殷丽华,耿魁,方滨兴. 面向移动社交网络内容分享的位置隐私保护方法[J]. 通信学报, 2016, 37(11): 31-41.

Chao LI,Li-hua YIN,Kui GENG,Bin-xing FANG. Location privacy preservation approach towards to content sharing on mobile online social network[J]. Journal on Communications, 2016, 37(11): 31-41.

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		r₁= friend			r₂= family
l
l
	u₁	u₂	u₃	u₄	u₅	u₆
u₁	1	0.8	0.4	0	0.4	0.7
u₂	0.5	1	0.7	0	0.5	0.3

类型	Berlin	Chicago	London	S.F.
#users	5 510	13 852	17 112	21 591
#locations	15 528	38 505	63 466	66 142
#check-ins	238 972	490 998	942 877	1 545 407
avg.#check-ins/loc	15.39	12.75	14.86	23.36

面向移动社交网络内容分享的位置隐私保护方法

Location privacy preservation approach towards to content sharing on mobile online social network

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