Spoken Dialogue System based on Information Extraction using Similarity of Predicate Argument Structures Koichiro Yoshino author Shinsuke Mori author Tatsuya Kawahara author 2011-06 text Proceedings of the SIGDIAL 2011 Conference Joyce Y Chai editor Johanna D Moore editor Rebecca J Passonneau editor David R Traum editor Association for Computational Linguistics Portland, Oregon conference publication yoshino-etal-2011-spoken https://aclanthology.org/W11-2008/ 2011-06 59 66