@inproceedings{SIGIR-2009-RoinestadBMM,
	author        = "Heather Roinestad and John Burgoon and Benjamin Markines and Filippo Menczer",
	booktitle     = "{Proceedings of the 32nd International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/1571941.1572158",
	isbn          = "978-1-60558-483-6",
	pages         = "838",
	publisher     = "{ACM}",
	title         = "{Incentives for social annotation}",
	year          = 2009,
}