@inproceedings{anempiricalstudyonuncertainty,
  title = {An Empirical Study on Uncertainty Identification in Social Media Context},
  author = {Zhongyu Wei and Junwen Chen and Wei Gao and Binyang Li and Lanjun Zhou and Yulan He and Kam-Fai Wong},
  year = {2013},
  booktitle = {ACL 2013 8},
  url = {https://aclanthology.org/P13-2011},
}