@InProceedings{wang-callisonburch:2011:BUCC,
  author    = {Wang, Rui  and  Callison-Burch, Chris},
  title     = {Paraphrase Fragment Extraction from Monolingual Comparable Corpora},
  booktitle = {Proceedings of the 4th Workshop on Building and Using Comparable Corpora: Comparable Corpora and the Web},
  month     = {June},
  year      = {2011},
  address   = {Portland, Oregon},
  publisher = {Association for Computational Linguistics},
  pages     = {52--60},
  url       = {http://www.aclweb.org/anthology/W11-1208}
}