@inproceedings{su-etal-2021-university,
    title = "The {U}niversity of {A}rizona at {S}em{E}val-2021 Task 10: Applying Self-training, Active Learning and Data Augmentation to Source-free Domain Adaptation",
    author = "Su, Xin  and
      Zhao, Yiyun  and
      Bethard, Steven",
    editor = "Palmer, Alexis  and
      Schneider, Nathan  and
      Schluter, Natalie  and
      Emerson, Guy  and
      Herbelot, Aurelie  and
      Zhu, Xiaodan",
    booktitle = "Proceedings of the 15th International Workshop on Semantic Evaluation (SemEval-2021)",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.semeval-1.56/",
    doi = "10.18653/v1/2021.semeval-1.56",
    pages = "458--466"
}