@InProceedings{malmasi-cahill:2015:bea,
  author    = {Malmasi, Shervin  and  Cahill, Aoife},
  title     = {Measuring Feature Diversity in Native Language Identification},
  booktitle = {Proceedings of the Tenth Workshop on Innovative Use of NLP for Building Educational Applications},
  month     = {June},
  year      = {2015},
  address   = {Denver, Colorado},
  publisher = {Association for Computational Linguistics},
  pages     = {49--55},
  url       = {http://www.aclweb.org/anthology/W15-0606}
}