@inproceedings{unbabelsparticipationinthewmt17,
  title = {Unbabel's Participation in the WMT17 Translation Quality Estimation Shared Task},
  author = {Andr{\'e} F. T. Martins and Fabio Kepler and Jos{\'e} Monteiro},
  year = {2017},
  booktitle = {WS 2017 9},
  url = {https://aclanthology.org/W17-4764},
}