@inproceedings{SIGMOD-2010-ZhaoDTT,
	author        = "Feng Zhao and Gautam Das and Kian-Lee Tan and Anthony K. H. Tung",
	booktitle     = "{Proceedings of the 28th ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/1807167.1807173",
	isbn          = "978-1-4503-0032-2",
	pages         = "27--38",
	publisher     = "{ACM}",
	title         = "{Call to order: a hierarchical browsing approach to eliciting users’ preference}",
	year          = 2010,
}