@inproceedings{ravichandran-hovy:2002:ACL,
  author    = {Ravichandran, Deepak  and  Hovy, Eduard},
  title     = {Learning surface text patterns for a Question Answering System},
  booktitle = {Proceedings of the 40th Annual Meeting of the Association for Computational Linguistics (ACL)},
  year      = 2002,
  pages     = {41--47}
}