\bibitem{DalTREC07qa} Tony Abou-Assaleh, Chris Whidden, Vlado Ke\v{s}elj, Hathai Tanta-ngai, and Nick Cercone. \newblock {DalTREC} 2007 QA System Jellyfish: Experiments with Integration of Lucene and GATE, and Improved Usage of WordNet and Qrel. \newblock In {\em The Fiftheenth Text REtrieval Conference (TREC 2007)\/.} Gaithersburg, Maryland, USA, November 2007.