Upchurch, P., D. Sedra, A. Mullen, H. Hirsh, and K. Bala. “Interactive Consensus Agreement Games for Labeling Images”. Proceedings of the AAAI Conference on Human Computation and Crowdsourcing, vol. 4, no. 1, Sept. 2016, pp. 239-48, doi:10.1609/hcomp.v4i1.13293.