@InProceedings{greenberg-EtAl:2018:EMNLP,
  author    = {Greenberg, Nathan  and  Bansal, Trapit  and  Verga, Patrick  and  McCallum, Andrew},
  title     = {Marginal Likelihood Training of BiLSTM-CRF for Biomedical Named Entity Recognition from Disjoint Label Sets},
  booktitle = {Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing},
  month     = {October-November},
  year      = {2018},
  address   = {Brussels, Belgium},
  publisher = {Association for Computational Linguistics},
  pages     = {2824--2829},
  url       = {http://www.aclweb.org/anthology/D18-1306}
}