@inproceedings{CHI-2009-HarperMK,
	author        = "F. Maxwell Harper and Daniel Moy and Joseph A. Konstan",
	booktitle     = "{Proceedings of the 27th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/1518701.1518819",
	isbn          = "978-1-60558-246-7",
	pages         = "759--768",
	publisher     = "{ACM}",
	title         = "{Facts or friends?: distinguishing informational and conversational questions in social Q&A sites}",
	year          = 2009,
}