基于优化路由结构的无线传感器网络Skyline查询算法

Zhongbo Wu, Min Wang, Lei Yuan, Hongxi Jiang
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引用次数: 2

摘要

在环境监测和工业控制等许多应用中,Skyline是一个重要的查询。传统数据库在天际线查询方面取得了许多成果。但它们不能直接用于无线传感器网络。本文对无线传感器网络中的连续天际线查询进行了研究,提出了一种节能的ORSSQ算法。ORSSQ基于优化的路由结构在传感器节点上设置滤波器。过滤器可以对不能成为最终天际线结果的样本数据进行修剪,从而节省能源,延长网络寿命。实验表明,ORSSQ具有良好的性能。
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Optimized Routing Structure Based Skyline Query Algorithm in Wireless Sensor Network
Skyline is an important query in many applications such as environment monitoring and industrial controlling. Lots of achievements of skyline query have been made in traditional database. But they can not be used directly to wireless sensor network. In this paper we study continuous skyline query in wireless sensor network and put forward an energy efficient algorithm named ORSSQ. ORSSQ sets up filters in sensor nodes based on optimized routing structure. Filters can prune the sample data that can not be the final skyline result to save energy and prolong network life. Experiments show that ORSSQ has good performance.
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