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广域传感器数据库中多查询处理的研究

Research of Multiple Queries Processing in Wide Area Sensor Databases
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摘要 广域传感器数据库是目前国际上的一个热点研究领域.详细分析了广域传感器数据库中的查询处理技术,针对多个查询间存在的查询冗余问题,提出了一种多查询处理体系结构,并对体系结构中各模块的功能和实现算法进行了分析说明.理论分析和实验结果表明,此方法不仅可以有效地缩短用户访问的延迟时间,加快用户查询的速度,而且可以显著地减少传感器网络内部消息传递的数量,提高网络带宽的利用率. Wide area sensor databases are an internationally hotspot research area at present. The query processing technology in wide area sensor databases is analyzed in detail in this paper. Focusing on the query redundancy problem among multiple queries,a multiple query processing architecture is proposed and then every module and its algorithm are analyzed. Theoretical analysis and experimental results demonstrate that the method can not only reduce the users＇ query response times and expedite the speed of the queries effectively, but also decrease the messages transferred in the sensor network and improve the utilization ratio of the network bandwidth dramatically.
作者 张永平 张淑芝 刘国华 赵飞
机构地区 燕山大学信息科学与工程学院 天津大学管理学院
出处 《小型微型计算机系统》 CSCD 北大核心 2007年第10期1807-1812,共6页 Journal of Chinese Computer Systems
基金 教育部科学技术研究重点项目(205014)资助
关键词 传感器网络 广域传感器数据库 多查询处理 sensor network wide area sensor databases multiple queries processing
分类号 TP311 [自动化与计算机技术—计算机软件与理论]
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参考文献12

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二级参考文献41

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小型微型计算机系统
2007年 第10期

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