@conference {962906,
	title = {Peer Prediction with Heterogeneous Tasks},
	booktitle = {Proc. of the NIPS Workshop on Crowdsourcing and Machine Learning},
	year = {2016},
	url = {https://arxiv.org/abs/1612.00928},
	author = {Debmalya Mandal and Matthew Leifer and David C. Parkes and Galen Pickard and Victor Shnayder}
}
