@inproceedings{khapra-sai-2021-tutorial,
    title = "A Tutorial on Evaluation Metrics used in Natural Language Generation",
    author = "Khapra, Mitesh M.  and
      Sai, Ananya B.",
    editor = "Kondrak, Greg  and
      Bontcheva, Kalina  and
      Gillick, Dan",
    booktitle = "Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies: Tutorials",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.naacl-tutorials.4/",
    doi = "10.18653/v1/2021.naacl-tutorials.4",
    pages = "15--19"
}