@misc{sai2020survey,
  title={A Survey of Evaluation Metrics Used for NLG Systems},
  author={Ananya B. Sai and Akash Kumar Mohankumar and Mitesh M. Khapra},
  year={2020},
  eprint={2008.12009},
  archivePrefix={arXiv},
  primaryClass={cs.CL},
  url={https://arxiv.org/abs/2008.12009}
}