@inproceedings{ICPR-2012-ShenMZ,
	author        = "Yuan Shen and Zhenjiang Miao and Jian Zhang",
	booktitle     = "{Proceedings of the 21st International Conference on Pattern Recognition}",
	isbn          = "978-1-4673-2216-4",
	pages         = "1306--1309",
	publisher     = "{IEEE Computer Society}",
	title         = "{Unsupervised online learning trajectory analysis based on weighted directed graph}",
	year          = 2012,
}