Efficient In-Network Processing of Continuous Grouped Aggregation Queries in Sensor Networks
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...
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| Veröffentlicht in: | IEICE Transactions on Information and Systems 2015, Vol.E98.D(4), pp.960-963 |
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| container_title | IEICE Transactions on Information and Systems |
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| creator | SONG, Inchul ROH, Yohan J. KIM, Myoung Ho |
| description | 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. |
| doi_str_mv | 10.1587/transinf.2014EDL8237 |
| format | Article |
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| issn | 0916-8532 1745-1361 |
| language | eng |
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| source | J-STAGE Free; EZB-FREE-00999 freely available EZB journals |
| subjects | Agglomeration Aggregates Data reduction grouped aggregation query multipath routing Networks Query processing Remote sensors sensor network Sensors Wireless networks |
| title | Efficient In-Network Processing of Continuous Grouped Aggregation Queries in Sensor Networks |
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