@InProceedings{li-EtAl:2018:EMNLP4,
  author    = {Li, Jian  and  Tu, Zhaopeng  and  Yang, Baosong  and  Lyu, Michael R.  and  Zhang, Tong},
  title     = {Multi-Head Attention with Disagreement Regularization},
  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     = {2897--2903},
  url       = {http://www.aclweb.org/anthology/D18-1317}
}