@inproceedings{ueffing-etal-2003-confidence,
    title = "Confidence measures for statistical machine translation",
    author = "Ueffing, Nicola  and
      Macherey, Klaus  and
      Ney, Hermann",
    booktitle = "Proceedings of Machine Translation Summit IX: Papers",
    month = sep # " 23-27",
    year = "2003",
    address = "New Orleans, USA",
    url = "https://aclanthology.org/2003.mtsummit-papers.52/"
}