@InProceedings{popescu-tonelli-pianta:2007:SemEval-2007,
  author    = {Popescu, Octavian  and  Tonelli, Sara  and  Pianta, Emanuele},
  title     = {IRST-BP: Preposition Disambiguation based on Chain Clarifying Relationships Contexts},
  booktitle = {Proceedings of the Fourth International Workshop on Semantic Evaluations (SemEval-2007)},
  month     = {June},
  year      = {2007},
  address   = {Prague, Czech Republic},
  publisher = {Association for Computational Linguistics},
  pages     = {191--194},
  url       = {http://www.aclweb.org/anthology/S/S07/S07-1040}
}