@inproceedings{ligsystemforwmt13qetaskinvestigating,
  title = {LIG System for WMT13 QE Task: Investigating the Usefulness of Features in Word Confidence Estimation for MT},
  author = {Ngoc-Quang Luong and Benjamin Lecouteux and Laurent Besacier},
  year = {2013},
  booktitle = {WS 2013 8},
  url = {https://aclanthology.org/W13-2248},
}