@inproceedings{liu-etal-2022-token,
    title = "A Token-level Reference-free Hallucination Detection Benchmark for Free-form Text Generation",
    author = "Liu, Tianyu  and
      Zhang, Yizhe  and
      Brockett, Chris  and
      Mao, Yi  and
      Sui, Zhifang  and
      Chen, Weizhu  and
      Dolan, Bill",
    editor = "Muresan, Smaranda  and
      Nakov, Preslav  and
      Villavicencio, Aline",
    booktitle = "Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)",
    month = may,
    year = "2022",
    address = "Dublin, Ireland",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/2022.acl-long.464/",
    doi = "10.18653/v1/2022.acl-long.464",
    pages = "6723--6737"
}