@inproceedings{ji-etal-2020-span,
    title = "Span-based Joint Entity and Relation Extraction with Attention-based Span-specific and Contextual Semantic Representations",
    author = "Ji, Bin  and
      Yu, Jie  and
      Li, Shasha  and
      Ma, Jun  and
      Wu, Qingbo  and
      Tan, Yusong  and
      Liu, Huijun",
    editor = "Scott, Donia  and
      Bel, Nuria  and
      Zong, Chengqing",
    booktitle = "Proceedings of the 28th International Conference on Computational Linguistics",
    month = dec,
    year = "2020",
    address = "Barcelona, Spain (Online)",
    publisher = "International Committee on Computational Linguistics",
    url = "https://preview.aclanthology.org/Add-Cong-Liu-Florida-Atlantic-University-author-id/2020.coling-main.8/",
    doi = "10.18653/v1/2020.coling-main.8",
    pages = "88--99"
}