@inproceedings{RecSys-2012-Saez-TrumperQC,
	author        = "Diego Sáez-Trumper and Daniele Quercia and Jon Crowcroft",
	booktitle     = "{Proceedings of the Sixth Conference on Recommender Systems}",
	doi           = "10.1145/2365952.2365988",
	isbn          = "978-1-4503-1270-7",
	pages         = "187--194",
	publisher     = "{ACM}",
	title         = "{Ads and the city: considering geographic distance goes a long way}",
	year          = 2012,
}