@InProceedings{williams-EtAl:2013:SIGDIAL,
  author    = {Williams, Jason  and  Raux, Antoine  and  Ramachandran, Deepak  and  Black, Alan},
  title     = {The Dialog State Tracking Challenge},
  booktitle = {Proceedings of the SIGDIAL 2013 Conference},
  month     = {August},
  year      = {2013},
  address   = {Metz, France},
  publisher = {Association for Computational Linguistics},
  pages     = {404--413},
  url       = {http://www.aclweb.org/anthology/W13-4065}
}