@article{activeonlinedomainadaptation,
  title = {Active Online Learning with Hidden Shifting Domains},
  author = {Yining Chen and Haipeng Luo and Tengyu Ma and Chicheng Zhang},
  year = {2020},
  eprint = {2006.14481},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2006.14481v2},
}