An Optimized Dynamic Join Query Method for Multi-Hop Wireless Sensor Networks

Mao Song Ge; Chun Yan Fu; Xue Li Tai; Ji Ping Guo

doi:10.4028/www.scientific.net/AMR.476-478.2091

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 476-478An Optimized Dynamic Join Query Method for...

An Optimized Dynamic Join Query Method for Multi-Hop Wireless Sensor Networks

Abstract:

Recently some existing works have developed computing Join query technology over wireless sensor networks. But these techniques are static, and are only used in special application designated connection rate. In order to construct the data query method that suits environment, this paper proposes an optimization join query method that is applicable to limited bandwidth context. The dynamic join optimization problem in multi-hop wireless sensor network is resolved and a cost-based model is designed. This algorithm can predict the selectivity in advance, and can optimize the pairs of data streams. Experimental verification on standard data sets verified the effectiveness of the proposed method.

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Periodical:

Advanced Materials Research (Volumes 476-478)

Pages:

2091-2095

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.476-478.2091

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Online since:

February 2012

Authors:

Mao Song Ge, Chun Yan Fu, Xue Li Tai, Ji Ping Guo

Keywords:

Cost-Based Model, Query Optimization, Wireless Sensor Network (WSN)

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