@inproceedings{RecSys-2009-GansnerHKV,
	author        = "Emden R. Gansner and Yifan Hu and Stephen G. Kobourov and Chris Volinsky",
	booktitle     = "{Proceedings of the Third Conference on Recommender Systems}",
	doi           = "10.1145/1639714.1639784",
	isbn          = "978-1-60558-435-5",
	pages         = "345--348",
	publisher     = "{ACM}",
	title         = "{Putting recommendations on the map: visualizing clusters and relations}",
	year          = 2009,
}