Yo Ehara author Issei Sato author Hidekazu Oiwa author Hiroshi Nakagawa author 2013-10 text Zornitsa Kozareva editor Irina Matveeva editor Gabor Melli editor Vivi Nastase editor Association for Computational Linguistics Seattle, Washington, USA conference publication ehara-etal-2013-understanding https://aclanthology.org/W13-5007/ 2013-10 44 52