@misc{zhuang2019comprehensive,
  title={A Comprehensive Survey on Transfer Learning},
  author={Fuzhen Zhuang and Zhiyuan Qi and Keyu Duan and Dongbo Xi and Yongchun Zhu and Hengshu Zhu and Hui Xiong and Qing He},
  year={2019},
  eprint={1911.02685},
  archivePrefix={arXiv},
  primaryClass={cs.LG},
  url={https://arxiv.org/abs/1911.02685}
}