ECNU: A Combination Method and Multiple Features for Aspect Extraction and Sentiment Polarity Classification Fangxi Zhang author Zhihua Zhang author Man Lan author 2014-08 text Proceedings of the 8th International Workshop on Semantic Evaluation (SemEval 2014) Preslav Nakov editor Torsten Zesch editor Association for Computational Linguistics Dublin, Ireland conference publication zhang-etal-2014-ecnu 10.3115/v1/S14-2041 https://aclanthology.org/S14-2041/ 2014-08 252 258