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A technique for n-way joins in wireless sensor networks

Author

Listed:
  • Djail BOUBEKEUR

    (LCSI Laboratory National High School for Computer Science (ESI) Algiers, Algeria)

  • Hidouci Walid KHALED

    (LCSI Laboratory National High School for Computer Science (ESI) Algiers, Algeria)

  • Loudini MALIK

    (LCSI Laboratory National High School for Computer Science (ESI) Algiers, Algeria)

Abstract

The join queries are operations that require more energy for their execution. In wireless sensor networks, energy is a determinant factor for the network survival. However, high energy consumption caused by such requests needs the implementation of very appropriate techniques for their execution. Research in this field considered especially binary joins. Few studies have addressed n-way joins. In this paper, we propose 'Nway Local Join', an energy-efficient technique for n-way join operations. We adopt an in-network execution at each step of the join operation. We compare our solution with an execution at the sink. NLJ shows the best performance for low selectivity factor.

Suggested Citation

  • Djail BOUBEKEUR & Hidouci Walid KHALED & Loudini MALIK, 2016. "A technique for n-way joins in wireless sensor networks," Database Systems Journal, Academy of Economic Studies - Bucharest, Romania, vol. 7(2), pages 3-9, November.
    • Handle: RePEc:aes:dbjour:v:7:y:2016:i:2:p:3-9
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