Efficient and Secure Top-k Query Processing on Hybrid Sensed Data

Efficient and Secure Top-k Query Processing on Hybrid Sensed Data
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对混合传感数据进行高效、安全的 Top-k 查询处理

DOI:
10.1155/2016/1685054
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发表时间:
2016
影响因子:
--
通讯作者:
Wang Liangmin
Wang Liangmin
中科院分区:
计算机科学4区
文献类型:
--
作者:
Wu Haiqin;Wang Liangmin

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配备各种传感器的移动设备的普遍存在促进了新型数据传感范例的出现。在传统静态感知模式的基础上,移动感知(传感器)节点与静态传感器节点协同采集数据。然后将大量的混合感知数据发送到存储节点以进行灵活的管理和顶级查询服务。一个关键的安全问题是,受损的存储节点可能会在查询处理过程中伪造或删除一些数据,从而向查询用户返回虚假或不正确的结果。在本文中,我们提出了一种高效且可验证的混合感知数据安全顶级查询处理方案(EVTopk),该方案适用于存在移动节点的分层混合感知网络。基本思想是将静态或移动传感节点生成的每个数据记录与其传感的相应位置绑定。然后依次创建一些验证信息,并将其与加密位置和混合感知数据一起提交以供用户验证。 EVTopk 的安全性和效率分别在理论上进行了深入分析并在实验中进行了评估。
The ubiquity of mobile devices equipped with various sensors has promoted the advent of a novel data sensing paradigm. Based on the traditional static sensing mode, the mobile sensing (sensor) nodes collaboratively collect data with the static sensor nodes. This large volume of hybrid sensed data is then sent to the storage nodes for flexible management and top- query services. One crucial security issue is that the compromised storage node may falsify or drop some data during the query processing, which returns fake or incorrect result to the query users. In this paper, we propose an efficient and verifiable scheme (EVTopk) for secure top- query processing on hybrid sensed data, which is suitable for the tiered hybrid sensing network where mobile nodes exist. The basic idea is to bind each data record, generated by static or mobile sensing nodes, with the corresponding location where it is sensed. Then some verification information is created sequentially, which is submitted along with the encrypted locations and hybrid sensed data for user’s verification. The security and efficiency of EVTopk are thoroughly analyzed in theory and evaluated in our experiments, respectively.
两层无线传感器网络中高效可验证的 Top-k 查询
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