@InProceedings{galley-EtAl:2015:ACL-IJCNLP,
  author    = {Galley, Michel  and  Brockett, Chris  and  Sordoni, Alessandro  and  Ji, Yangfeng  and  Auli, Michael  and  Quirk, Chris  and  Mitchell, Margaret  and  Gao, Jianfeng  and  Dolan, Bill},
  title     = {deltaBLEU: A Discriminative Metric for Generation Tasks with Intrinsically Diverse Targets},
  booktitle = {Proceedings of the 53rd Annual Meeting of the Association for Computational Linguistics and the 7th International Joint Conference on Natural Language Processing (Volume 2: Short Papers)},
  month     = {July},
  year      = {2015},
  address   = {Beijing, China},
  publisher = {Association for Computational Linguistics},
  pages     = {445--450},
  url       = {http://www.aclweb.org/anthology/P15-2073}
}