Proceedings

• Yiling Chen, Panagiotis G. Ipeirotis, Edith Law, Luis von Ahn, Haoqi Zhang, editors, The 4th Human Computation Workshop, HCOMP@AAAI 2012, Toronto, Ontario, Canada, July 23, 2012. Volume WS-12-08 of AAAI Workshops, AAAI Press, 2012.