Towards an open-domain conversational system fully based on natural language processing Ryuichiro Higashinaka author Kenji Imamura author Toyomi Meguro author Chiaki Miyazaki author Nozomi Kobayashi author Hiroaki Sugiyama author Toru Hirano author Toshiro Makino author Yoshihiro Matsuo author 2014-08 text Proceedings of COLING 2014, the 25th International Conference on Computational Linguistics: Technical Papers Junichi Tsujii editor Jan Hajic editor Dublin City University and Association for Computational Linguistics Dublin, Ireland conference publication higashinaka-etal-2014-towards https://aclanthology.org/C14-1088/ 2014-08 928 939