@InProceedings{tac2009,
  author =       {Ralf Krestel and Ren\'{e} Witte and Sabine Bergler},
  title =        {{Believe It or Not: Solving the TAC 2009 Textual Entailment Tasks through an Artificial Believer System}},
  booktitle =    {Proceedings of the Second Text Analysis Conference (TAC 2009)},
  year =         {2009},
  address =      {Gaithersburg, Maryland, USA},
  month =        {November 16--17},
  organization = {National Institute of Standards and Technology (NIST)},
  note =         {\url{http://www.nist.gov/tac/publications/2009/index.html}}
}