@inproceedings{CIKM-2009-KanoulasA,
	author        = "Evangelos Kanoulas and Javed A. Aslam",
	booktitle     = "{Proceedings of the 18th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1645953.1646032",
	isbn          = "978-1-60558-512-3",
	pages         = "611--620",
	publisher     = "{ACM}",
	title         = "{Empirical justification of the gain and discount function for nDCG}",
	year          = 2009,
}