@conference {Witkowski_soccomp11,
	title = {Peer Prediction with Private Beliefs},
	booktitle = {Proceedings of the Workshop on Social Computing and User Generated Content},
	year = {2011},
	url = {http://econcs.seas.harvard.edu/files/econcs/files/witkowski_soccomp11.pdf},
	author = {Jens Witkowski and David C. Parkes}
}
