@InProceedings{yavuz-EtAl:2018:EMNLP2,
  author    = {Yavuz, Semih  and  Chiu, Chung-Cheng  and  Nguyen, Patrick  and  Wu, Yonghui},
  title     = {CaLcs: Continuously Approximating Longest Common Subsequence for Sequence Level Optimization},
  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     = {3708--3718},
  url       = {http://www.aclweb.org/anthology/D18-1406}
}