@article{ubartowardsfullyendtoendtaskoriented,
  title = {UBAR: Towards Fully End-to-End Task-Oriented Dialog Systems with GPT-2},
  author = {Yunyi Yang and Yunhao Li and Xiaojun Quan},
  year = {2020},
  eprint = {2012.03539},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2012.03539v2},
}