@inproceedings{SIGMOD-2014-MottinMRDPV,
	author        = "Davide Mottin and Alice Marascu and Senjuti Basu Roy and Gautam Das and Themis Palpanas and Yannis Velegrakis",
	booktitle     = "{Proceedings of the 32nd ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/2588555.2594512",
	isbn          = "978-1-4503-2376-5",
	pages         = "1095--1098",
	publisher     = "{ACM}",
	title         = "{IQR: an interactive query relaxation system for the empty-answer problem}",
	year          = 2014,
}