@inproceedings{jia-etal-2021-heterogeneous,
    title = "Heterogeneous Graph Neural Networks for Concept Prerequisite Relation Learning in Educational Data",
    author = "Jia, Chenghao  and
      Shen, Yongliang  and
      Tang, Yechun  and
      Sun, Lu  and
      Lu, Weiming",
    editor = "Toutanova, Kristina  and
      Rumshisky, Anna  and
      Zettlemoyer, Luke  and
      Hakkani-Tur, Dilek  and
      Beltagy, Iz  and
      Bethard, Steven  and
      Cotterell, Ryan  and
      Chakraborty, Tanmoy  and
      Zhou, Yichao",
    booktitle = "Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/2021.naacl-main.164/",
    doi = "10.18653/v1/2021.naacl-main.164",
    pages = "2036--2047"
}