@inproceedings{CIKM-2009-LukYL,
	author        = "Ming-Hay Luk and Man Lung Yiu and Eric Lo",
	booktitle     = "{Proceedings of the 18th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1645953.1646138",
	isbn          = "978-1-60558-512-3",
	pages         = "1433--1436",
	publisher     = "{ACM}",
	title         = "{Group-by skyline query processing in relational engines}",
	year          = 2009,
}