@inproceedings{sheng-etal-2024-reference,
    title = "Is Reference Necessary in the Evaluation of {NLG} Systems? When and Where?",
    author = "Sheng, Shuqian  and
      Xu, Yi  and
      Fu, Luoyi  and
      Ding, Jiaxin  and
      Zhou, Lei  and
      Wang, Xinbing  and
      Zhou, Chenghu",
    editor = "Duh, Kevin  and
      Gomez, Helena  and
      Bethard, Steven",
    booktitle = "Proceedings of the 2024 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (Volume 1: Long Papers)",
    month = jun,
    year = "2024",
    address = "Mexico City, Mexico",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/2024.naacl-long.474/",
    doi = "10.18653/v1/2024.naacl-long.474",
    pages = "8580--8596"
}