@inproceedings{yu-etal-2020-expanrl,
    title = "{E}xpan{RL}: Hierarchical Reinforcement Learning for Course Concept Expansion in {MOOC}s",
    author = "Yu, Jifan  and
      Wang, Chenyu  and
      Luo, Gan  and
      Hou, Lei  and
      Li, Juanzi  and
      Tang, Jie  and
      Huang, Minlie  and
      Liu, Zhiyuan",
    editor = "Wong, Kam-Fai  and
      Knight, Kevin  and
      Wu, Hua",
    booktitle = "Proceedings of the 1st Conference of the Asia-Pacific Chapter of the Association for Computational Linguistics and the 10th International Joint Conference on Natural Language Processing",
    month = dec,
    year = "2020",
    address = "Suzhou, China",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/add-emnlp-2024-awards/2020.aacl-main.77/",
    doi = "10.18653/v1/2020.aacl-main.77",
    pages = "770--780"
}