@inproceedings{semisupervisedsemanticrolelabeling,
  title = {Semi-Supervised Semantic Role Labeling: Approaching from an Unsupervised Perspective},
  author = {Ivan Titov and Alex Klementiev and re},
  year = {2012},
  booktitle = {COLING 2012 12},
  url = {https://aclanthology.org/C12-1161},
}