@inproceedings{hu-etal-2021-knowledge,
    title = "How Knowledge Graph and Attention Help? A Qualitative Analysis into Bag-level Relation Extraction",
    author = "Hu, Zikun  and
      Cao, Yixin  and
      Huang, Lifu  and
      Chua, Tat-Seng",
    editor = "Zong, Chengqing  and
      Xia, Fei  and
      Li, Wenjie  and
      Navigli, Roberto",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers)",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/2021.acl-long.359/",
    doi = "10.18653/v1/2021.acl-long.359",
    pages = "4662--4671"
}