@InProceedings{nguyen-litman:2014:W14-18,
  author    = {Nguyen, Huy  and  Litman, Diane},
  title     = {Improving Peer Feedback Prediction: The Sentence Level is Right},
  booktitle = {Proceedings of the Ninth Workshop on Innovative Use of NLP for Building Educational Applications},
  month     = {June},
  year      = {2014},
  address   = {Baltimore, Maryland},
  publisher = {Association for Computational Linguistics},
  pages     = {99--108},
  url       = {http://www.aclweb.org/anthology/W14-1812}
}