@inproceedings{SIGIR-2012-BonchiPSVV,
	author        = "Francesco Bonchi and Raffaele Perego and Fabrizio Silvestri and Hossein Vahabi and Rossano Venturini",
	booktitle     = "{Proceedings of the 35th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/2348283.2348332",
	isbn          = "978-1-4503-1472-5",
	pages         = "345--354",
	publisher     = "{ACM}",
	title         = "{Efficient query recommendations in the long tail via center-piece subgraphs}",
	year          = 2012,
}