@InProceedings{ko-si-nyberg:2007:main,
  author    = {Ko, Jeongwoo  and  Si, Luo  and  Nyberg, Eric},
  title     = {A Probabilistic Framework for Answer Selection in Question Answering},
  booktitle = {Human Language Technologies 2007: The Conference of the North American Chapter of the Association for Computational Linguistics; Proceedings of the Main Conference},
  month     = {April},
  year      = {2007},
  address   = {Rochester, New York},
  publisher = {Association for Computational Linguistics},
  pages     = {524--531},
  url       = {http://www.aclweb.org/anthology/N/N07/N07-1066}
}