@article{counterfactualthinkingforlongtailed,
  title = {Counterfactual Thinking for Long-tailed Information Extraction},
  author = {Guoshun Nan and Jiaqi Zeng and Rui Qiao and Wei Lu},
  year = {2021},
  url = {https://openreview.net/forum?id=xYJpCgSZff},
}