Better Conversations by Modeling, Filtering, and Optimizing for Coherence and Diversity Xinnuo Xu author Ondřej Dušek author Ioannis Konstas author Verena Rieser author 2018-oct-nov text Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing Ellen Riloff editor David Chiang editor Julia Hockenmaier editor Jun’ichi Tsujii editor Association for Computational Linguistics Brussels, Belgium conference publication xu-etal-2018-better 10.18653/v1/D18-1432 https://aclanthology.org/D18-1432/ 2018-oct-nov 3981 3991