@inproceedings{RecSys-2009-BhattacharjeeGK,
	author        = "Rajat Bhattacharjee and Ashish Goel and Konstantinos Kollias",
	booktitle     = "{Proceedings of the Third Conference on Recommender Systems}",
	doi           = "10.1145/1639714.1639755",
	isbn          = "978-1-60558-435-5",
	pages         = "229--232",
	publisher     = "{ACM}",
	title         = "{An incentive-based architecture for social recommendations}",
	year          = 2009,
}