@InProceedings{guzman-nakov-vogel:2015:CoNLL,
  author    = {Guzm\'{a}n, Francisco  and  Nakov, Preslav  and  Vogel, Stephan},
  title     = {Analyzing Optimization for Statistical Machine Translation: MERT Learns Verbosity, PRO Learns Length},
  booktitle = {Proceedings of the Nineteenth Conference on Computational Natural Language Learning},
  month     = {July},
  year      = {2015},
  address   = {Beijing, China},
  publisher = {Association for Computational Linguistics},
  pages     = {62--72},
  url       = {http://www.aclweb.org/anthology/K15-1007}
}