@inproceedings{lee-etal-2020-squad2,
    title = "{SQ}u{AD}2-{CR}: Semi-supervised Annotation for Cause and Rationales for Unanswerability in {SQ}u{AD} 2.0",
    author = "Lee, Gyeongbok  and
      Hwang, Seung-won  and
      Cho, Hyunsouk",
    editor = "Calzolari, Nicoletta  and
      B{\'e}chet, Fr{\'e}d{\'e}ric  and
      Blache, Philippe  and
      Choukri, Khalid  and
      Cieri, Christopher  and
      Declerck, Thierry  and
      Goggi, Sara  and
      Isahara, Hitoshi  and
      Maegaard, Bente  and
      Mariani, Joseph  and
      Mazo, H{\'e}l{\`e}ne  and
      Moreno, Asuncion  and
      Odijk, Jan  and
      Piperidis, Stelios",
    booktitle = "Proceedings of the Twelfth Language Resources and Evaluation Conference",
    month = may,
    year = "2020",
    address = "Marseille, France",
    publisher = "European Language Resources Association",
    url = "https://aclanthology.org/2020.lrec-1.667/",
    pages = "5425--5432",
    language = "eng",
    ISBN = "979-10-95546-34-4"
}