@InProceedings{izquierdo-suarez-rigau:2009:EACL,
  author    = {Izquierdo, Rub\'{e}n  and  Su\'{a}rez, Armando  and  Rigau, German},
  title     = {An Empirical Study on Class-Based Word Sense Disambiguation},
  booktitle = {Proceedings of the 12th Conference of the European Chapter of the ACL (EACL 2009)},
  month     = {March},
  year      = {2009},
  address   = {Athens, Greece},
  publisher = {Association for Computational Linguistics},
  pages     = {389--397},
  url       = {http://www.aclweb.org/anthology/E09-1045}
}