@inproceedings{AlishahiStevenson2007a,
  author = "Afra Alishahi and Suzanne Stevenson",
  title = "A computational usage-based model for learning general properties of semantic roles",
  booktitle = " Proceedings of the 2nd European Cognitive Science Conference",
  note = "Delphi, Greece",
  download = "http://www.cs.toronto.edu/~afra/papers/Alishahi_Stevenson_eurocogsci07.pdf",
  year = "2007",
}