@inproceedings{CIKM-2012-LvCC,
	author        = "Mingqi Lv and Ling Chen and Gencai Chen",
	booktitle     = "{Proceedings of the 21st ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/2396761.2398471",
	isbn          = "978-1-4503-1156-4",
	pages         = "1552--1556",
	publisher     = "{ACM}",
	title         = "{Discovering personally semantic places from GPS trajectories}",
	year          = 2012,
}