POMY: A Conversational Virtual Environment for Language Learning in POSTECH Hyungjong Noh author Kyusong Lee author Sungjin Lee author Gary Geunbae Lee 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 noh-etal-2011-pomy https://aclanthology.org/W11-2043/ 2011-06 344 346