Automatic conversion of sentence-end expressions for utterance characterization of dialogue systems Chiaki Miyazaki author Toru Hirano author Ryuichiro Higashinaka author Toshiro Makino author Yoshihiro Matsuo author 2015-10 text Proceedings of the 29th Pacific Asia Conference on Language, Information and Computation Hai Zhao editor Shanghai, China conference publication miyazaki-etal-2015-automatic https://aclanthology.org/Y15-1035/ 2015-10 307 314