@inproceedings{SAC-2012-TriaLT,
	author        = "Francesco Di Tria and Ezio Lefons and Filippo Tangorra",
	booktitle     = "{Proceedings of the 27th Symposium on Applied Computing}",
	doi           = "10.1145/2245276.2245448",
	editor        = "Sascha Ossowski and Paola Lecca",
	isbn          = "978-1-4503-0857-1",
	pages         = "885--887",
	publisher     = "{ACM}",
	title         = "{Metrics for approximate query engine evaluation}",
	year          = 2012,
}