@InProceedings{yoon-bhat-zechner:2012:BEA,
  author    = {Yoon, Su-Youn  and  Bhat, Suma  and  Zechner, Klaus},
  title     = {Vocabulary Profile as a Measure of Vocabulary Sophistication},
  booktitle = {Proceedings of the Seventh Workshop on Building Educational Applications Using NLP},
  month     = {June},
  year      = {2012},
  address   = {Montr\'{e}al, Canada},
  publisher = {Association for Computational Linguistics},
  pages     = {180--189},
  url       = {http://www.aclweb.org/anthology/W12-2021}
}