@inproceedings{cikm2021c,
  author    = {Haojie Pan and
               Cen Chen and
               Chengyu Wang and
               Minghui Qiu and
               Liu Yang and
               Feng Ji and
               Jun Huang},
  title     = {Learning to Expand: Reinforced Response Expansion for Information-seeking
               Conversations},
  booktitle = {Proceedings of the 30th {ACM} International Conference on Information
               and Knowledge Management},
  pages     = {4055--4064},
  year      = {2021}
}