@inproceedings{SIGMOD-2002-ChoiC,
	author        = "Yong-Jin Choi and Chin-Wan Chung",
	booktitle     = "{Proceedings of the 20th ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/564691.564742",
	isbn          = "1-58113-497-5",
	pages         = "440--451",
	publisher     = "{ACM}",
	title         = "{Selectivity estimation for spatio-temporal queries to moving objects}",
	year          = 2002,
}