@misc{chen2021empirical,
  title={An Empirical Survey of Data Augmentation for Limited Data Learning in NLP},
  author={Jiaao Chen and Derek Tam and Colin Raffel and Mohit Bansal and Diyi Yang},
  year={2021},
  eprint={2106.07499},
  archivePrefix={arXiv},
  primaryClass={cs.CL},
  url={https://arxiv.org/abs/2106.07499}
}