@Book{UNSUP:2011,
  editor    = {Omri Abend  and  Anna Korhonen  and  Ari Rappoport  and  Roi Reichart},
  title     = {Proceedings of the First workshop on Unsupervised Learning in NLP},
  month     = {July},
  year      = {2011},
  address   = {Edinburgh, Scotland},
  publisher = {Association for Computational Linguistics},
  url       = {http://www.aclweb.org/anthology/W11-22}
}