@inproceedings{cao-etal-2023-event,
    title = "Event Ontology Completion with Hierarchical Structure Evolution Networks",
    author = "Cao, Pengfei  and
      Hao, Yupu  and
      Chen, Yubo  and
      Liu, Kang  and
      Xu, Jiexin  and
      Li, Huaijun  and
      Jiang, Xiaojian  and
      Zhao, Jun",
    editor = "Bouamor, Houda  and
      Pino, Juan  and
      Bali, Kalika",
    booktitle = "Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing",
    month = dec,
    year = "2023",
    address = "Singapore",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/2023.emnlp-main.21/",
    doi = "10.18653/v1/2023.emnlp-main.21",
    pages = "306--320"
}