期刊文献+

可隐藏用户身份的位置查询隐私保护模型

A privacy protection model hiding user’s identity in location-based services
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摘要 传统的基于位置服务(LBS)的隐私保护方法中,多是针对用户位置进行匿名处理,提供给服务器的往往是经过处理的非精确的位置信息,显然这会降低服务的质量。根据位置服务的特点将隐私保护处理的焦点转移至用户身份标识属性上来,并考虑位置隐私和查询隐私,提出一种新的隐私保护模型。该模型对用户的身份标识信息进行处理代替对位置信息的模糊化,屏蔽用户身份与隐私信息的连接达到隐私保护的目的,可提高服务精度。实验证明所提出的方法可以在提高位置服务精度的前提下有效地保护用户的隐私。 Most of traditional privacy protections in location-based services (LBS) are on account of concealing location information. It is known that inaccurate location information will reduce the quality of services. According to characteristics of LBS, by shifting the concern to user's identity and taking into account the location privacy and query privacy, we present a new model of privacy protection. Our proposed model blurs user's identity instead of user's location and shields the connection between user's identity and the privacy information to achieve the objective of protecting privacy, thus improving the accuracy of the service. Experiments show that this method can improve the accuracy of location-based services and protect users' privacy well.
出处 《中国科技论文》 CAS 北大核心 2012年第7期539-543,共5页 China Sciencepaper
基金 国家自然科学基金资助项目(61170035) 江苏省自然科学基金重大专项(BK2011022) 中国博士后科学基金特别资助项目(200902517) 江苏省自然科学基金资助项目(BK2011702) 南京市科技计划重点项目(020142010)
关键词 移动计算 位置服务 位置隐私 查询隐私 mobile computing location-based services location privacy query privacy
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参考文献10

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二级参考文献10

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