Chikara Hashimoto author Kentaro Torisawa author Stijn De Saeger author Jun’ichi Kazama author Sadao Kurohashi author 2011-06 text Dekang Lin editor Yuji Matsumoto editor Rada Mihalcea editor Association for Computational Linguistics Portland, Oregon, USA conference publication hashimoto-etal-2011-extracting https://aclanthology.org/P11-1109/ 2011-06 1087 1097