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Query processing and optimization for broadcast database

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Database and Expert Systems Applications (DEXA 1996)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 1134))

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Abstract

In a mobile environment, the broadcast paradigm has been recognized as an effective way in disseminating frequently requested information to multiple “mobile clients”. In this paper, we show that to query the broadcast database efficiently, database items must be organized over the broadcast channel meaningfully, reflecting the semantics of the database being broadcast. We define, for the first time, a cost model called Semantic Ordering Model for identifying the optimal organization of database items over the broadcast channel. Preliminary experimental results are also delineated to illustrate the feasibility of our cost model, using relational and object-oriented databases as examples.

This research is supported in part by the Hong Kong Polytechnic University Central Research Grant number 353/029.

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Authors and Affiliations

  1. Department of Computing, The Hong Kong Polytechnic University, Hung Horn, Kowloon, Hong Kong

    Antonio Si & Hong Va Leong

Authors
  1. Antonio Si
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  2. Hong Va Leong
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Editor information

Roland R. Wagner Helmut Thoma

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© 1996 Springer-Verlag Berlin Heidelberg

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Si, A., Leong, H.V. (1996). Query processing and optimization for broadcast database. In: Wagner, R.R., Thoma, H. (eds) Database and Expert Systems Applications. DEXA 1996. Lecture Notes in Computer Science, vol 1134. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0034741

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  • DOI: https://doi.org/10.1007/BFb0034741

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-61656-6

  • Online ISBN: 978-3-540-70651-9

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