Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/31856
Title: Approximating object location for moving object database
Authors: Lee, KCK
Leong, HV 
Si, A
Keywords: Database indexing
Query processing
Tracking
Issue Date: 2003
Publisher: IEEE
Source: 23rd International Conference on Distributed Computing Systems Workshops, 2003 : proceedings : 19-22 May 2003, p. 402-407 How to cite?
Abstract: We consider a moving object database, which keeps track of object locations and supports location-aware queries. Frequent location update to the database can provide high query accuracy but result in heavy consumption on the scarce communication bandwidth and precious object energy, as well as great index maintenance overhead at the server. We propose the use of safe-region: an area in which an object moves without having to send in a location update. The database records safe-regions for objects, instead of their exact locations for query answering and filtering. We propose three schemes to compute the safe-region based on object movement pattern and study the performance and the impact on query precision and cost.
URI: http://hdl.handle.net/10397/31856
ISBN: 0-7695-1921-0
DOI: 10.1109/ICDCSW.2003.1203586
Appears in Collections:Conference Paper

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