@inproceedings{chen2018learning,
  title = "Learning-to-ask: Knowledge Acquisition via 20 Questions",
  author = "Chen, Yihong and Chen, Bei and Duan, Xuguang and Lou, Jian-Guang and Wang, Yue and Zhu, Wenwu and Cao, Yong",
  year = "2018",
  booktitle = "KDD 2018, Proceedings of the 24th ACM SIGKDD International Conference on Knowledge Discovery \& Data Mining",
  pages = "1216--1225",
}