Invited Keynote: The Conversational User Interface Ron Kaplan author 2013-05 text Proceedings of the 19th Nordic Conference of Computational Linguistics (NODALIDA 2013) Stephan Oepen editor Kristin Hagen editor Janne Bondi Johannessen editor Linköping University Electronic Press, Sweden Oslo, Norway conference publication kaplan-2013-invited https://aclanthology.org/W13-5601/ 2013-05 1 1