@InProceedings{zhuang-wisniewski-yvon:2012:WMT,
  author    = {Zhuang, Yong  and  Wisniewski, Guillaume  and  Yvon, Fran\c{c}ois},
  title     = {Non-Linear Models for Confidence Estimation},
  booktitle = {Proceedings of the Seventh Workshop on Statistical Machine Translation},
  month     = {June},
  year      = {2012},
  address   = {Montr{\'e}al, Canada},
  publisher = {Association for Computational Linguistics},
  pages     = {157--162},
  url       = {http://www.aclweb.org/anthology/W12-3120}
}