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题名:
load shedding for shared window join over real-time data streams
作者: Ma Li ; Liang Dangwei ; Zhang Qiongsheng ; Li Xin ; Wang Hongan
会议文集: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
会议名称: Joint International Conference on Advances in Data and Web Management, APWeb/WAIM 2009
会议日期: 37348
出版日期: 2009
会议地点: Suzhou, China
关键词: Ad hoc networks
出版者: Germany
出版地: Germany
收录类别: 其他
ISSN: 3029743
ISBN: 9783642006715
部门归属: (1) School of Computer Science and Communication Engineering, China University of Petroleum, Dongying 257061, China; (2) Institute of Software, Chinese Academy of Sciences, Beijing 100190, China; (3) Geophysical Research Institute of Shengli Oil Field, China Petroleum and Chemical Corporation, Dongying 257000, China; (4) Shandong University, Jinan 250101, China
英文摘要: Join is a fundamental operator in a Data Stream Management System (DSMS). It is more efficient to share execution of multiple windowed joins than separate execution of everyone because the former saves a part of cost in common windows. Therefore, shared window join is adopted widely in multiqueries DSMS. When all tasks of queries exceed maximum system capacity, the overloaded DSMS fails to process all of its input data and keep up with the rates of data arrival. Especially in a time-critical environment, queries should be completed not just timely but within certain deadlines. In this paper, we address load shedding approach for shared window join over real-time data streams. A load shedding algorithm LS-SJRT-CW is proposed to handle queries shared window join in overloaded real-time system effectively. It would reduce load shedding overhead by adjusting sliding window size. Experiment results show that our algorithm would decrease average deadline miss ratio over some ranges of workloads. © Springer-Verlag Berlin Heidelberg 2009.
语种: 英语
内容类型: 会议论文
URI标识: http://ir.iscas.ac.cn/handle/311060/8512
Appears in Collections:人机交互技术与智能信息处理实验室_会议论文

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Recommended Citation:
Ma Li,Liang Dangwei,Zhang Qiongsheng,et al. load shedding for shared window join over real-time data streams[C]. 见:Joint International Conference on Advances in Data and Web Management, APWeb/WAIM 2009. Suzhou, China. 37348.
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