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政大機構典藏 > 資訊學院 > 資訊科學系 > 期刊論文 > Item 140.119/69156

Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/69156

Title:	Data Allocation on Wireless Broadcast Channels for Efficient Query Processing
Authors:	陳良弼 Chen,Arbee L.P. Lo,Shou-Chih Lee,Guanling
Contributors:	資科系
Keywords:	Database broadcasting;query processing;access time;tuning time;broadcast program.
Date:	2002-10
Issue Date:	2014-08-21 15:09:43 (UTC+8)
Abstract:	Data broadcast is an excellent method for efficient data dissemination in the mobile computing environment. The application domain of data broadcast will be widely expanded in the near future, where the client is expected to perform complex queries or transactions on the broadcast data. To reduce the access latency for processing the complex query, it is beneficial to place the data accessed in a query close to each other on the broadcast channel. In this paper, we propose an efficient algorithm to determine the allocation of the data on the broadcast channel such that frequently co-accessed data are not only allocated close to each other, but also in a particular order which optimizes the performance of query processing. Our mechanism is based on the well-known problem named optimal linear ordering. Experiments are performed to justify the benefit of our approach.
Relation:	IEEE Transactions on Computers: Special Section on Data Management Systems and Mobile Computing (EI,SCI),51(10),1237-1252
Data Type:	article
Appears in Collections:	[資訊科學系] 期刊論文

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