@conference {Mao_hcomp13b,
	title = {Why Stop Now? Predicting Worker Engagement in Online Crowdsourcing},
	booktitle = {Proceedings of the 1st AAAI Conference on Human Computation and Crowdsourcing (HCOMP{\textquoteright}13)},
	year = {2013},
	url = {http://econcs.seas.harvard.edu/files/econcs/files/mao_hcomp13b.pdf},
	author = {Andrew Mao and Ece Kamar and Eric Horvitz}
}
