Changing the Level of Directness in Dialogue using Dialogue Vector Models and Recurrent Neural Networks Louisa Pragst author Stefan Ultes author 2018-07 text Proceedings of the 19th Annual SIGdial Meeting on Discourse and Dialogue Kazunori Komatani editor Diane Litman editor Kai Yu editor Alex Papangelis editor Lawrence Cavedon editor Mikio Nakano editor Association for Computational Linguistics Melbourne, Australia conference publication pragst-ultes-2018-changing 10.18653/v1/W18-5002 https://aclanthology.org/W18-5002/ 2018-07 11 19