Argumentative dialogue system based on argumentation structures Ryuichiro Higashinaka author Kazuki Sakai author Hiroaki Sugiyama author Hiromi Narimatsu author Tsunehiro Arimoto author Takaaki Fukutomi author Kiyoaki Matsui author Yusuke Ijima author Hiroaki Ito author Shoko Araki author Yuichiro Yoshikawa author Hiroshi Ishiguro author Yoshihiro Matsuo author 2017-08 text Proceedings of the 21st Workshop on the Semantics and Pragmatics of Dialogue - Poster Abstracts SEMDIAL Saarbrücken, Germany conference publication higashinaka-etal-2017-argumentative http://semdial.org/anthology/Z17-Higashinaka_semdial_0019.pdf 2017-08