@inproceedings{zhang-etal-2007-tree,
    title = "A tree-to-tree alignment-based model for statistical machine translation",
    author = "Zhang, Min  and
      Jiang, Hongfei  and
      Aw, Ai Ti  and
      Sun, Jun  and
      Li, Sheng  and
      Tan, Chew Lim",
    editor = "Maegaard, Bente",
    booktitle = "Proceedings of Machine Translation Summit XI: Papers",
    month = sep # " 10-14",
    year = "2007",
    address = "Copenhagen, Denmark",
    url = "https://aclanthology.org/2007.mtsummit-papers.71/"
}