@InProceedings{foster-andersen:2009:NLP-Education,
  author    = {Foster, Jennifer  and  Andersen, Oistein},
  title     = {GenERRate: Generating Errors for Use in Grammatical Error Detection},
  booktitle = {Proceedings of the Fourth Workshop on Innovative Use of NLP for Building Educational Applications},
  month     = {June},
  year      = {2009},
  address   = {Boulder, Colorado},
  publisher = {Association for Computational Linguistics},
  pages     = {82--90},
  url       = {http://www.aclweb.org/anthology/W09-2112}
}