@inproceedings(2005-tpirs-a-system-for-document-indexing-reduction-at-webclef,
  author = {David Pinto and Paolo Rosso and Emilio Sanchis Arnal},
  title = {TPIRS: A System for Document Indexing Reduction at WebCLEF},
  year = {2005},
  booktitle = {Workshop of the Cross-Language Evaluation Forum (CLEF)},
  address = {Viena, Austria},
  pages = {1-9}
)