@InProceedings{sugiyama-EtAl:2015:WMT,
  author    = {Sugiyama, Kyoshiro  and  Mizukami, Masahiro  and  Neubig, Graham  and  Yoshino, Koichiro  and  Sakti, Sakriani  and  Toda, Tomoki  and  Nakamura, Satoshi},
  title     = {An Investigation of Machine Translation Evaluation Metrics in Cross-lingual Question Answering},
  booktitle = {Proceedings of the Tenth Workshop on Statistical Machine Translation},
  month     = {September},
  year      = {2015},
  address   = {Lisbon, Portugal},
  publisher = {Association for Computational Linguistics},
  pages     = {442--449},
  url       = {http://aclweb.org/anthology/W15-3057}
}