@inproceedings{improvingverbphraseextractionfrom,
  title = {Improving Verb Phrase Extraction from Historical Text by use of Verb Valency Frames},
  author = {Eva Pettersson and Joakim Nivre},
  year = {2015},
  booktitle = {WS 2015 5},
  url = {https://aclanthology.org/W15-1820},
}