@inproceedings{KDD-2011-GeLXTC,
	author        = "Yong Ge and Qi Liu and Hui Xiong and Alexander Tuzhilin and Jian Chen",
	booktitle     = "{Proceedings of the 17th International Conference on Knowledge Discovery and Data Mining}",
	doi           = "10.1145/2020408.2020568",
	isbn          = "978-1-4503-0813-7",
	pages         = "983--991",
	publisher     = "{ACM}",
	title         = "{Cost-aware travel tour recommendation}",
	year          = 2011,
}