@InProceedings{xu-uszkoreit-li:2007:ACLMain,
  author    = {Xu, Feiyu  and  Uszkoreit, Hans  and  Li, Hong},
  title     = {A Seed-driven Bottom-up Machine Learning Framework for Extracting Relations of Various Complexity},
  booktitle = {Proceedings of the 45th Annual Meeting of the Association of Computational Linguistics},
  month     = {June},
  year      = {2007},
  address   = {Prague, Czech Republic},
  publisher = {Association for Computational Linguistics},
  pages     = {584--591},
  url       = {http://www.aclweb.org/anthology/P/P07/P07-0074}
}