@InProceedings{hassan-mihalcea:2009:RANLP09,
  author    = {Hassan, Samer  and  Mihalcea, Rada},
  title     = {Learning to Identify Educational Materials},
  booktitle = {Proceedings of the International Conference RANLP-2009},
  month     = {September},
  year      = {2009},
  address   = {Borovets, Bulgaria},
  publisher = {Association for Computational Linguistics},
  pages     = {123--127},
  url       = {http://www.aclweb.org/anthology/R09-1024}
}