@inproceedings{ICPR-2008-RyooA,
	author        = "Michael S. Ryoo and Jake K. Aggarwal",
	booktitle     = "{Proceedings of the 19th International Conference on Pattern Recognition}",
	doi           = "10.1109/ICPR.2008.4761316",
	isbn          = "978-1-4244-2175-6",
	pages         = "1--5",
	publisher     = "{IEEE Computer Society}",
	title         = "{Human activities: Handling uncertainties using fuzzy time intervals}",
	year          = 2008,
}