\bibitem{DalTREC04}
Vlado Ke\v{s}elj, Anthony Cox.
\newblock {DalTREC} 2004: Question Answering using Regular Expression
Rewriting.
\newblock In {\em The Thirteenth Text REtrieval Conference (TREC 2004)
Proceedings\/.}
Gaithersburg, Maryland, USA, November 2004.