@InProceedings{wang-et-al:2012slt,
  author    = {Wang, William Yang and Bohus, Dan and Kamar, Ece and Horvitz, Eric},
  title     = {Crowdsourcing the Acquisition of Natural Language Corpora: Methods and Observations},
  booktitle = {Proceedings of the IEEE SLT 2012},
  month     = {Dec.},
  year      = {2012},
  address   = {Miami, Florida},
  publisher = {IEEE}
}