@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" }