@inproceedings{ecnuexpressionandmessagelevelsentiment,
  title = {ECNU: Expression- and Message-level Sentiment Orientation Classification in Twitter Using Multiple Effective Features},
  author = {Jiang Zhao and Man Lan and Tiantian Zhu},
  year = {2014},
  booktitle = {SEMEVAL 2014 8},
  url = {https://aclanthology.org/S14-2042},
}