indexing frequently updated trajectories of network-constrained moving objects

	indexing frequently updated trajectories of network-constrained moving objects
	Ding Zhiming
	2011
会议名称	22nd International Conference on Database and Expert Systems Applications, DEXA 2011
会议录名称	Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
页码	464-474
会议日期	August 29,
会议地点	Toulouse, France
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
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.
关键词	Database Systems Decision Trees Expert Systems Indexing (Materials Working) Plant Extracts
内容类型	会议论文
URI标识	http://ir.iscas.ac.cn/handle/311060/14277
专题	基础软件国家工程研究中心
推荐引用方式 GB/T 7714	Ding Zhiming. indexing frequently updated trajectories of network-constrained moving objects[C]. Germany,2011:464-474.

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