@inproceedings{CIKM-2010-LevandoskiMK,
	author        = "Justin J. Levandoski and Mohamed F. Mokbel and Mohamed E. Khalefa",
	booktitle     = "{Proceedings of the 19th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1871437.1871481",
	isbn          = "978-1-4503-0099-5",
	pages         = "319--328",
	publisher     = "{ACM}",
	title         = "{Preference query evaluation over expensive attributes}",
	year          = 2010,
}