The Second Dialog State Tracking Challenge Matthew Henderson author Blaise Thomson author Jason D Williams author 2014-06 text Proceedings of the 15th Annual Meeting of the Special Interest Group on Discourse and Dialogue (SIGDIAL) Kallirroi Georgila editor Matthew Stone editor Helen Hastie editor Ani Nenkova editor Association for Computational Linguistics Philadelphia, PA, U.S.A. conference publication henderson-etal-2014-second 10.3115/v1/W14-4337 https://aclanthology.org/W14-4337/ 2014-06 263 272