@InProceedings{simpson-EtAl:2009:EACL,
  author    = {Simpson, Matthew  and  Demner-Fushman, Dina  and  Sneiderman, Charles  and  Antani, Sameer K.  and  Thoma, George R.},
  title     = {Using Non-Lexical Features to Identify Effective Indexing Terms for Biomedical Illustrations},
  booktitle = {Proceedings of the 12th Conference of the European Chapter of the ACL (EACL 2009)},
  month     = {March},
  year      = {2009},
  address   = {Athens, Greece},
  publisher = {Association for Computational Linguistics},
  pages     = {737--744},
  url       = {http://www.aclweb.org/anthology/E09-1084}
}