@inproceedings{nondeterministicoraclesforunrestricted,
  title = {Non-Deterministic Oracles for Unrestricted Non-Projective Transition-Based Dependency Parsing},
  author = {Anders Bj{\"o}rkelund and Joakim Nivre},
  year = {2015},
  booktitle = {WS 2015 7},
  url = {https://aclanthology.org/W15-2210},
}