@inproceedings{hardmeier-etal-2012-tree,
    title = "Tree Kernels for Machine Translation Quality Estimation",
    author = {Hardmeier, Christian  and
      Nivre, Joakim  and
      Tiedemann, J{\"o}rg},
    editor = "Callison-Burch, Chris  and
      Koehn, Philipp  and
      Monz, Christof  and
      Post, Matt  and
      Soricut, Radu  and
      Specia, Lucia",
    booktitle = "Proceedings of the Seventh Workshop on Statistical Machine Translation",
    month = jun,
    year = "2012",
    address = "Montr{\'e}al, Canada",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/iwcs-25-ingestion/W12-3112/",
    pages = "109--113"
}