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An Efficient Filtering Method for Processing Continuous Skyline Queries on Sensor Data  

Jang, Su-Min (충북대학교 정보통신공학과)
Kang, Gwang-Goo (충북대학교 정보통신공학과)
Yoo, Jae-Soo (충북대학교 정보통신공학과)
Abstract
In this paper, we propose a novel filtering method for processing continuous skyline queries on wireless sensor network environments. The existing filtering methods use the filter based on router paths. However, because these filters are applied not to a whole area but to a partial area, these methods send almost data of sensor nodes to transmit to the base station and have no sufficient effect in terms of energy efficiency. Therefore, we propose an efficient method to dramatically reduce the transmission data of sensors through applying a low-cost and effective filter to all sensor nodes. The proposed effective filter is generated by using characteristics such as the data locality and the clustering of sensors. An extensive performance study verifies the merits of our new method.
Keywords
Wireless sensor networks; Continuous skyline queries; Sensor clustering; Sensor life time; Energy efficiency;
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