Modeling Pollyanna Phenomena in Chinese Sentiment Analysis Ting-Hao Huang author Ho-Cheng Yu author Hsin-Hsi Chen author 2012-12 text Proceedings of COLING 2012: Demonstration Papers Martin Kay editor Christian Boitet editor The COLING 2012 Organizing Committee Mumbai, India conference publication huang-etal-2012-modeling https://aclanthology.org/C12-3029/ 2012-12 231 238