@InProceedings{liu-EtAl:2018:EMNLP3,
  author    = {Liu, Liyuan  and  Ren, Xiang  and  Shang, Jingbo  and  Gu, Xiaotao  and  Peng, Jian  and  Han, Jiawei},
  title     = {Efficient Contextualized Representation: Language Model Pruning for Sequence Labeling},
  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     = {1215--1225},
  url       = {http://www.aclweb.org/anthology/D18-1153}
}