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| 基于桶划分的两层传感网隐私保护Top-k查询 | |
| 引用本文： | 戴华,何瑞良,杨庚,黄海平.基于桶划分的两层传感网隐私保护Top-k查询[J].北京邮电大学学报,2015,38(5):18-22. |
| 作者姓名： | 戴华 何瑞良 杨庚 黄海平 |
| 作者单位： | 1. 南京邮电大学 计算机学院, 南京 210003; 2. 宽带无线通信与传感网技术教育部重点实验室(南京邮电大学), 南京 210013 |
| 基金项目： | 国家自然科学基金，江苏省自然科学基金面上项目，江苏省高校自然科学研究项目，中国博士后科研基金，江苏省博士后科研资助计划项目 |
| 摘 要： | 提出了一种用于两层传感网的基于桶划分的隐私保护Top-k查询处理(BPTQ)方法. BPTQ通过引入桶划分策略和加密技术,能够确保感知数据在存储、通信及查询处理过程中的隐私安全性. 理论分析和实验结果表明,该方法能够保护感知数据的隐私安全,且与现有方法相比具有更高的能耗效率. |
| 关 键 词： | 两层传感器网络 隐私保护 Top-k查询 桶划分 |
| 收稿时间： | 2014-07-23 |
Bucket Partition Based Privacy-Preserving Top-k Query Processing in Two-Tiered Wireless Sensor Networks |
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| DAI Hua,HE Rui-liang,YANG Geng,HUANG Hai-ping.Bucket Partition Based Privacy-Preserving Top-k Query Processing in Two-Tiered Wireless Sensor Networks[J].Journal of Beijing University of Posts and Telecommunications,2015,38(5):18-22. | |
| Authors: | DAI Hua HE Rui-liang YANG Geng HUANG Hai-ping |
| Affiliation: | 1. School of Computer Science and Technology, Nanjing University of Posts and Communications, Nanjing 210023, China; 2. Key Laboratory of Broadband Wireless Communication and Sensor Network Technology (Nanjing University of Posts and Communications), Ministry of Education, Nanjing 210023, China |
| Abstract: | A bucket partition based privacy-preserving top-k query processing ( BPTQ ) in two-tiered wireless sensor networks was proposed. BPTQ can protect the privacy of sensing data during the storage, communication and query processing by introducing bucket partitioning scheme and encryption technique. Analysis and experiments show that BPTQ can preserve the privacy of the sensing data and query result, and it is more efficient in energy consumption than the existing work. |
| Keywords: | two-tiered wireless sensor networks privacy preserving top-k query bucket partition |
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