@InProceedings{vanoosten-hoste:2011:EduApp,
  author    = {van Oosten, Philip  and  Hoste, V\'{e}ronique},
  title     = {Readability Annotation: Replacing the Expert by the Crowd},
  booktitle = {Proceedings of the Sixth Workshop on Innovative Use of NLP for Building Educational Applications},
  month     = {June},
  year      = {2011},
  address   = {Portland, Oregon},
  publisher = {Association for Computational Linguistics},
  pages     = {120--129},
  url       = {http://www.aclweb.org/anthology/W11-1415}
}