Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/78299
Title: Processing of multiple long-running queries in large-scale geo-data repositories
Authors: Tok, W.H. 
Bressan, S. 
Issue Date: 2006
Source: Tok, W.H.,Bressan, S. (2006). Processing of multiple long-running queries in large-scale geo-data repositories. Proceedings - International Workshop on Database and Expert Systems Applications, DEXA : 627-631. ScholarBank@NUS Repository.
Abstract: One of the main challenges of large-scale information mediation and warehousing is the efficient and resourceeffective processing of continuous queries. Continuous queries monitor streams of incoming data and produce results on-the-fly. They are usually long-running, yet need to be removed from the system when they become obsolete. We present a framework and the corresponding algorithms and data-structures for the efficient evaluation of multiple longrunning spatial queries over unbounded streams of spatial data and the management of obsolete queries. Using both real-life and synthetic datasets and workloads, we show that our proposed approach achieves significant improvements over standard approaches. Copyright © 2006 by The Institute of Electrical and Electronics Engineers, Inc.
Source Title: Proceedings - International Workshop on Database and Expert Systems Applications, DEXA
URI: http://scholarbank.nus.edu.sg/handle/10635/78299
ISBN: 0769526411
ISSN: 15294188
Appears in Collections:Staff Publications

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