Extracting Evaluative Conditions from Online Reviews: Toward Enhancing Opinion Mining Yuki Nakayama author Atsushi Fujii author 2013-10 text Proceedings of the Sixth International Joint Conference on Natural Language Processing Ruslan Mitkov editor Jong C Park editor Asian Federation of Natural Language Processing Nagoya, Japan conference publication nakayama-fujii-2013-extracting https://aclanthology.org/I13-1111/ 2013-10 878 882