@inproceedings{yamada-etal-2003-improving,
    title = "Improving translation models by applying asymmetric learning",
    author = "Yamada, Setsuo  and
      Nagata, Masaaki  and
      Yamada, Kenji",
    booktitle = "Proceedings of Machine Translation Summit IX: Papers",
    month = sep # " 23-27",
    year = "2003",
    address = "New Orleans, USA",
    url = "https://preview.aclanthology.org/fix-sig-urls/2003.mtsummit-papers.56/"
}