@inproceedings{RecSys-2010-XieLW,
	author        = "Min Xie and Laks V. S. Lakshmanan and Peter T. Wood",
	booktitle     = "{Proceedings of the Fourth Conference on Recommender Systems}",
	doi           = "10.1145/1864708.1864739",
	isbn          = "978-1-60558-906-0",
	pages         = "151--158",
	publisher     = "{ACM}",
	title         = "{Breaking out of the box of recommendations: from items to packages}",
	year          = 2010,
}