@InProceedings{cer-manning-jurafsky:2013:WMT,
  author    = {Cer, Daniel  and  Manning, Christopher D.  and  Jurafsky, Dan},
  title     = {Positive Diversity Tuning for Machine Translation System Combination},
  booktitle = {Proceedings of the Eighth Workshop on Statistical Machine Translation},
  month     = {August},
  year      = {2013},
  address   = {Sofia, Bulgaria},
  publisher = {Association for Computational Linguistics},
  pages     = {320--328},
  url       = {http://www.aclweb.org/anthology/W13-2239}
}