@InProceedings{chen-EtAl:2018:EMNLP3,
  author    = {Chen, Mingda  and  Tang, Qingming  and  Livescu, Karen  and  Gimpel, Kevin},
  title     = {Variational Sequential Labelers for Semi-Supervised Learning},
  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     = {215--226},
  url       = {http://www.aclweb.org/anthology/D18-1020}
}