Presentation	2000/7/19 DE2000-26 Supporting Read-only Transactions in Wireless Data Broadcast SangKeun Lee, Masaru Kitsuregawa,
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Abstract(in English)	While wireless data broadcast allows users to retrieve data simultaneously independent of the number of them, data can only be accessed strictly sequential by users. This paper addresses the issue of maintaining consistency of data items requested by mobile read-only transactions in wireless data broadcast. It is demonstrated that the combination of predeclaration with autoprefetching is highly advantageous for transaction processing in data broadcast. In particular, our approach allows read-only transactions to process successfully without increasing the broadcast cycle length or being considerably affected by the rate of updates at the server. We describe PwA(Predeclaration with Autoprefetching) method for read-only transactions processing, and also evaluate the performance of our method by an analytical study.
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Paper #	DE2000-26
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Committee	DE
Conference Date	2000/7/19(1days)
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Registration To	Data Engineering (DE)
Language	JPN
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Title (in English)	DE2000-26 Supporting Read-only Transactions in Wireless Data Broadcast
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1st Author's Name	SangKeun Lee
1st Author's Affiliation	Institute of Industrial Science, The University of Tokyo()
2nd Author's Name	Masaru Kitsuregawa
2nd Author's Affiliation	Institute of Industrial Science, The University of Tokyo
Date	2000/7/19
Paper #	DE2000-26
Volume (vol)	vol.100
Number (no)	226
Page	pp.pp.-
#Pages	8
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