@InProceedings{mcdonald-EtAl:2005:ACL,
  author    = {McDonald, Ryan  and  Pereira, Fernando  and  Kulick, Seth  and  Winters, Scott  and  Jin, Yang  and  White, Pete},
  title     = {Simple Algorithms for Complex Relation Extraction with Applications to Biomedical {IE}},
  booktitle = {Proceedings of the 43rd Annual Meeting of the Association for Computational Linguistics (ACL'05)},
  month     = {June},
  year      = {2005},
  address   = {Ann Arbor, Michigan},
  publisher = {Association for Computational Linguistics},
  pages     = {491--498},
  url       = {http://www.aclweb.org/anthology/P05-1061},
  doi       = {10.3115/1219840.1219901}
}