@InProceedings{agichtein_cucerzan_brill05:qa,
  author =       {E. Agichtein and S. Cucerzan and E. Brill},
  title =        {Analysis of Factoid Questions for Effective Relation Extraction},
  booktitle =    {Proceedings of SIGIR 2005},
  pages =        {567--568},
  year =         2005,
  url =          http://research.microsoft.com/users/silviu/Papers/sigir05.pdf
}