@article{chen-etal-2023-opal,
    title = "{OPAL}: Ontology-Aware Pretrained Language Model for End-to-End Task-Oriented Dialogue",
    author = "Chen, Zhi  and
      Liu, Yuncong  and
      Chen, Lu  and
      Zhu, Su  and
      Wu, Mengyue  and
      Yu, Kai",
    journal = "Transactions of the Association for Computational Linguistics",
    volume = "11",
    year = "2023",
    address = "Cambridge, MA",
    publisher = "MIT Press",
    url = "https://preview.aclanthology.org/add-emnlp-2024-awards/2023.tacl-1.5/",
    doi = "10.1162/tacl_a_00534",
    pages = "68--84"
}