@inproceedings{factoredsoftsourcesyntacticconstraints,
  title = {Factored Soft Source Syntactic Constraints for Hierarchical Machine Translation},
  author = {Zhongqiang Huang and Jacob Devlin and Rabih Zbib},
  year = {2013},
  booktitle = {EMNLP 2013 10},
  url = {https://aclanthology.org/D13-1053},
}