Energy-Efficient Processing of Complex Queries over a Wireless Broadcast Data Stream

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概要

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• Energy-efficiency is one of the main concerns in the wireless information dissemination system. This paper presents a wireless broadcast stream organization scheme which enables complex queries (e. g., aggregation queries) to be processed in an energy-efficient way. For efficient processing of complex queries, we propose an approach of broadcasting their pre-computed results with the data stream, wherein the way of replication of index and pre-computation results are investigated. Through analysis and experiments, we show that the new approach can achieve significant performance enhancement for complex queries with respect to the access time and tuning time.

• （社）電子情報通信学会の論文
• 2008-01-01

著者

• Park Chang-sup

  The Department Of Internet Information Engineering The University Of Suwon

• Chung Yon

  Korea Univ. Seoul Kor

• CHUNG Yon

  the Department of Computer Science and Engineering, Korea University

• Park Chang-sup

  The Department Of Computer Science Dongduk Women's University

• CHUNG Yon

  the Department of Computer Science and Engineering, College of Information and Communication, Korea University

関連論文

• Energy-Efficient Processing of Complex Queries over a Wireless Broadcast Data Stream
• PrefixSummary : A Directory Structure for Selective Probing on Wireless Stream of Heterogeneous XML Data

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