@inproceedings{variationalinferenceforcrowdsourcing,
  title = {Variational Inference for Crowdsourcing},
  author = {Qiang Liu and Jian Peng and Alexander T. Ihler},
  year = {2012},
  booktitle = {NeurIPS 2012 12},
  url = {http://papers.nips.cc/paper/4627-variational-inference-for-crowdsourcing},
}