@inproceedings{CIKM-2002-ZhuSI,
	author        = "Hongjun Zhu and Jianwen Su and Oscar H. Ibarra",
	booktitle     = "{Proceedings of the 11th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/584792.584860",
	pages         = "413--421",
	publisher     = "{ACM}",
	title         = "{Trajectory queries and octagons in moving object databases}",
	year          = 2002,
}