@Book{SemEval-2007:2007,
  editor    = {Eneko Agirre  and  Llu\'{\i}s M\`arquez  and  Richard Wicentowski},
  title     = {Proceedings of the Fourth International Workshop on Semantic Evaluations (SemEval-2007)},
  month     = {June},
  year      = {2007},
  address   = {Prague, Czech Republic},
  publisher = {Association for Computational Linguistics},
  url       = {http://www.aclweb.org/anthology/W/W07/W07-20}
}