The Dialog State Tracking Challenge Jason Williams author Antoine Raux author Deepak Ramachandran author Alan Black author 2013-08 text Proceedings of the SIGDIAL 2013 Conference Maxine Eskenazi editor Michael Strube editor Barbara Di Eugenio editor Jason D Williams editor Association for Computational Linguistics Metz, France conference publication williams-etal-2013-dialog https://aclanthology.org/W13-4065/ 2013-08 404 413