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题名:
indexing frequently updated trajectories of network-constrained moving objects
作者: Ding Zhiming
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: 22nd International Conference on Database and Expert Systems Applications, DEXA 2011
会议日期: August 29,
出版日期: 2011
会议地点: Toulouse, France
关键词: Database systems ; Decision trees ; Expert systems ; Indexing (materials working) ; Plant extracts
出版地: Germany
ISSN: 3029743
ISBN: 9783642230905
部门归属: (1) Institute of Software, Chinese Academy of Sciences, South-Fourth-Street 4, Zhong-Guan-Cun, Beijing 100190, China
英文摘要: Index is a key technique in improving the query processing performance of moving objects databases. However, current index methods for moving object trajectories take trajectory units as the basic index records and frequent index updates are needed when location updates occur, which greatly affects the overall performance of moving objects databases. To solve this problem, we propose a new index method, network-constrained Moving Object Sketched-Trajectory R-Tree (MOSTR-Tree) in this paper, which outperforms previously proposed methods under frequent location updates. © 2011 Springer-Verlag Berlin Heidelberg.
内容类型: 会议论文
URI标识: http://ir.iscas.ac.cn/handle/311060/14277
Appears in Collections:基础软件国家工程研究中心_会议论文

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Recommended Citation:
Ding Zhiming. indexing frequently updated trajectories of network-constrained moving objects[C]. 见:22nd International Conference on Database and Expert Systems Applications, DEXA 2011. Toulouse, France. August 29,.
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