@InProceedings{mitkov-EtAl:2009:GEMS,
  author    = {Mitkov, Ruslan  and  Ha, Le An  and  Varga, Andrea  and  Rello, Luz},
  title     = {Semantic Similarity of Distractors in Multiple-Choice Tests: Extrinsic Evaluation},
  booktitle = {Proceedings of the Workshop on Geometrical Models of Natural Language Semantics},
  month     = {March},
  year      = {2009},
  address   = {Athens, Greece},
  publisher = {Association for Computational Linguistics},
  pages     = {49--56},
  url       = {http://www.aclweb.org/anthology/W09-0207}
}