@inproceedings{CHI-2011-WhiteRL,
	author        = "Ryen W. White and Matthew Richardson and Yandong Liu",
	booktitle     = "{Proceedings of the 29th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/1978942.1979364",
	isbn          = "978-1-4503-0228-9",
	pages         = "2837--2846",
	publisher     = "{ACM}",
	title         = "{Effects of community size and contact rate in synchronous social q&a}",
	year          = 2011,
}