@inproceedings{SIGMOD-2010-ChenSZZX,
	author        = "Zaiben Chen and Heng Tao Shen and Xiaofang Zhou and Yu Zheng and Xing Xie",
	booktitle     = "{Proceedings of the 28th ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/1807167.1807197",
	isbn          = "978-1-4503-0032-2",
	pages         = "255--266",
	publisher     = "{ACM}",
	title         = "{Searching trajectories by locations: an efficiency study}",
	year          = 2010,
}