ECNU: Multi-level Sentiment Analysis on Twitter Using Traditional Linguistic Features and Word Embedding Features Zhihua Zhang author Guoshun Wu author Man Lan author 2015-06 text Proceedings of the 9th International Workshop on Semantic Evaluation (SemEval 2015) Preslav Nakov editor Torsten Zesch editor Daniel Cer editor David Jurgens editor Association for Computational Linguistics Denver, Colorado conference publication zhang-etal-2015-ecnu 10.18653/v1/S15-2094 https://aclanthology.org/S15-2094/ 2015-06 561 567