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Estimating the result size of a query to velocity skewed moving objects

Authors
Choi, YJPark, HHChung, CW
Issue Date
Dec-2003
Publisher
ELSEVIER SCIENCE BV
Keywords
spatio-temporal histogram; databases; moving object; selectivity estimation
Citation
INFORMATION PROCESSING LETTERS, v.88, no.6, pp 279 - 285
Pages
7
Journal Title
INFORMATION PROCESSING LETTERS
Volume
88
Number
6
Start Page
279
End Page
285
URI
https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/24907
DOI
10.1016/j.ipl.2003.09.007
ISSN
0020-0190
1872-6119
Abstract
The result size of a query to velocity skewed moving objects was estimated. The construction algorithm of an improved spatio-temporal histogram to accurately estimate the selectivity for spatio-temporal queries for the future locations of moving objects was proposed. In experiments on moving objects with very skewed velocity distributions, the proposed method produced significantly accurate estimation of the selectivity for spatio-temporal queries.
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Park, Ho Hyun
창의ICT공과대학 (전자전기공학부)
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