MVA: The Multimodal Virtual Assistant Michael Johnston author John Chen author Patrick Ehlen author Hyuckchul Jung author Jay Lieske author Aarthi Reddy author Ethan Selfridge author Svetlana Stoyanchev author Brant Vasilieff author Jay Wilpon 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 johnston-etal-2014-mva 10.3115/v1/W14-4335 https://aclanthology.org/W14-4335/ 2014-06 257 259