@inproceedings{zhai-etal-2019-improving,
    title = "Improving Chemical Named Entity Recognition in Patents with Contextualized Word Embeddings",
    author = "Zhai, Zenan  and
      Nguyen, Dat Quoc  and
      Akhondi, Saber  and
      Thorne, Camilo  and
      Druckenbrodt, Christian  and
      Cohn, Trevor  and
      Gregory, Michelle  and
      Verspoor, Karin",
    editor = "Demner-Fushman, Dina  and
      Cohen, Kevin Bretonnel  and
      Ananiadou, Sophia  and
      Tsujii, Junichi",
    booktitle = "Proceedings of the 18th BioNLP Workshop and Shared Task",
    month = aug,
    year = "2019",
    address = "Florence, Italy",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/W19-5035/",
    doi = "10.18653/v1/W19-5035",
    pages = "328--338"
}