@inproceedings{DAC-2009-Ahn,
	author        = "Luis von Ahn",
	booktitle     = "{Proceedings of the 46th Design Automation Conference}",
	doi           = "10.1145/1629911.1630023",
	isbn          = "978-1-60558-497-3",
	pages         = "418--419",
	publisher     = "{ACM}",
	title         = "{Human computation}",
	year          = 2009,
}