@inproceedings{zhu-etal-2021-pre,
    title = "When does Further Pre-training {MLM} Help? An Empirical Study on Task-Oriented Dialog Pre-training",
    author = "Zhu, Qi  and
      Gu, Yuxian  and
      Luo, Lingxiao  and
      Li, Bing  and
      Li, Cheng  and
      Peng, Wei  and
      Huang, Minlie  and
      Zhu, Xiaoyan",
    editor = "Sedoc, Jo{\~a}o  and
      Rogers, Anna  and
      Rumshisky, Anna  and
      Tafreshi, Shabnam",
    booktitle = "Proceedings of the Second Workshop on Insights from Negative Results in NLP",
    month = nov,
    year = "2021",
    address = "Online and Punta Cana, Dominican Republic",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/2021.insights-1.9/",
    doi = "10.18653/v1/2021.insights-1.9",
    pages = "54--61"
}