@InProceedings{nagata-vilenius-whittaker:2014:P14-1,
  author    = {Nagata, Ryo  and  Vilenius, Mikko  and  Whittaker, Edward},
  title     = {Correcting Preposition Errors in Learner English Using Error Case Frames and Feedback Messages},
  booktitle = {Proceedings of the 52nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)},
  month     = {June},
  year      = {2014},
  address   = {Baltimore, Maryland},
  publisher = {Association for Computational Linguistics},
  pages     = {754--764},
  url       = {http://www.aclweb.org/anthology/P/P14/P14-1071}
}