@InProceedings{pinchak-lin-rafiei:2009:EACL,
  author    = {Pinchak, Christopher  and  Lin, Dekang  and  Rafiei, Davood},
  title     = {Flexible Answer Typing with Discriminative Preference Ranking},
  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     = {666--674},
  url       = {http://www.aclweb.org/anthology/E09-1076}
}