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Power conservative multi-attribute queries on data broadcast

Authors Hu, Qinglong
Lee, Wang-Chien
Lee, Dik Lun View this author's profile
Issue Date 2000
Source Proceedings of the International Conference on Data Engineering (ICDE '2000) , San Diego, CA, USA, IEEE Computer Society, Los Alamitos, CA, USA , 2000, Feb., p.157-166
Summary In this paper, we study power conservation techniques for multi-attribute queries on wireless data broadcast channels. Indexing data on broadcast channels can improve client filtering capability, while clustering and scheduling can reduce both access time and tune-in time. Thus, indexing techniques should be coupled with clustering and scheduling methods to reduce the battery power consumption of mobile computers. In this study, three indexing schemes for multi-attribute queries, namely, index tree, signature, and hybrid index, are discussed. We develop cost models for these three indexing schemes and evaluate their performance based on multi-attribute queries on wireless data broadcast channels.
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Language English
Format Article
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