@inproceedings{CIKM-2012-StuparM,
	author        = "Aleksandar Stupar and Sebastian Michel",
	booktitle     = "{Proceedings of the 21st ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/2396761.2396877",
	isbn          = "978-1-4503-1156-4",
	pages         = "912--921",
	publisher     = "{ACM}",
	title         = "{Being picky: processing top-k queries with set-defined selections}",
	year          = 2012,
}