@inproceedings{han-etal-2019-opennre,
    title = "{O}pen{NRE}: An Open and Extensible Toolkit for Neural Relation Extraction",
    author = "Han, Xu  and
      Gao, Tianyu  and
      Yao, Yuan  and
      Ye, Deming  and
      Liu, Zhiyuan  and
      Sun, Maosong",
    editor = "Pad{\'o}, Sebastian  and
      Huang, Ruihong",
    booktitle = "Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP): System Demonstrations",
    month = nov,
    year = "2019",
    address = "Hong Kong, China",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/moar-dois/D19-3029/",
    doi = "10.18653/v1/D19-3029",
    pages = "169--174"
}