@inproceedings{zhang-etal-2020-openue,
    title = "{O}pen{UE}: An Open Toolkit of Universal Extraction from Text",
    author = "Zhang, Ningyu  and
      Deng, Shumin  and
      Bi, Zhen  and
      Yu, Haiyang  and
      Yang, Jiacheng  and
      Chen, Mosha  and
      Huang, Fei  and
      Zhang, Wei  and
      Chen, Huajun",
    editor = "Liu, Qun  and
      Schlangen, David",
    booktitle = "Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing: System Demonstrations",
    month = oct,
    year = "2020",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/2020.emnlp-demos.1/",
    doi = "10.18653/v1/2020.emnlp-demos.1",
    pages = "1--8"
}