Exploiting Discourse Relations for Sentiment Analysis Fei Wang author Yunfang Wu author Likun Qiu author 2012-12 text Proceedings of COLING 2012: Posters Martin Kay editor Christian Boitet editor The COLING 2012 Organizing Committee Mumbai, India conference publication wang-etal-2012-exploiting https://aclanthology.org/C12-2128/ 2012-12 1311 1320