Gao2021Advances.md

@article{Gao2021Advances,
  title={Advances and Challenges in Conversational Recommender Systems: A Survey},
  author={Gao, Chongming and Lei, Wenqiang and He, Xiangnan and de Rijke, Maarten and Chua, Tat-Seng},
  journal={arXiv preprint arXiv:2101.09459},
  year={2021}
}