@inproceedings{RecSys-2013-BartelD,
	author        = "Jacob W. Bartel and Prasun Dewan",
	booktitle     = "{Proceedings of the Seventh Conference on Recommender Systems}",
	doi           = "10.1145/2507157.2507194",
	isbn          = "978-1-4503-2409-0",
	pages         = "435--438",
	publisher     = "{ACM}",
	title         = "{Evolving friend lists in social networks}",
	year          = 2013,
}