@article{rewardfreepolicyimitationlearningfor,
  title = {Reward-free Policy Imitation Learning for Conversational Search},
  author = {Zhenduo Wang and Zhichao Xu and Qingyao Ai},
  year = {2023},
  eprint = {2304.07988},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2304.07988v1},
}