Mao, A., Kamar, E. and Horvitz, E. 2013. Why Stop Now? Predicting Worker Engagement in Online Crowdsourcing. Proceedings of the AAAI Conference on Human Computation and Crowdsourcing. 1, 1 (Nov. 2013), 103-111. DOI:https://doi.org/10.1609/hcomp.v1i1.13076.