@article(2007-the-upv-at-qa-clef-2007,
  author = {Davide Buscaldi and Yassine Benajiba and Paolo Rosso and Emilio Sanchis Arnal},
  title = {The UPV at QA@CLEF 2007},
  year = {2007},
  journal = {CLEF. Cross Language Evaluation Forum},
  pages = {50-54}
)