Jin, Y., M. Carman, D. Kim, and L. Xie. “Leveraging Side Information to Improve Label Quality Control in Crowd-Sourcing”. Proceedings of the AAAI Conference on Human Computation and Crowdsourcing, vol. 5, no. 1, Sept. 2017, pp. 79-88, doi:10.1609/hcomp.v5i1.13315.