Efficient In-Network Processing of Continuous Grouped Aggregation Queries in Sensor Networks

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In this letter, we propose an energy-efficient in-network processing method for continuous grouped aggregation queries in wireless sensor networks. As in previous work, in our method sensor nodes partially compute aggregates as data flow through them to reduce data transferred. Different from other methods, our method considers group information of partial aggregates when sensor nodes forward them to next-hop nodes in order to maximize data reduction by same-group partial aggregation. Through experimental evaluation, we show that our method outperforms the existing methods in terms of energy efficiency.
Publisher
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
Issue Date
2015-04
Language
English
Article Type
Article
Citation

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS, v.E98D, no.4, pp.960 - 963

ISSN
1745-1361
DOI
10.1587/transinf.2014EDL8237
URI
http://hdl.handle.net/10203/200174
Appears in Collection
CS-Journal Papers(저널논문)
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