@article(2006-buap-upv-tpirs-a-system-for-document-indexing-reduction-at-webclef,
  author = {Pinto D and Rosso P and Emilio Sanchis Arnal},
  title = {BUAP-UPV TPIRS: A System for Document Indexing Reduction at WebCLEF},
  year = {2006},
  journal = {Lecture Notes in Computer Science},
  volume = {4022},
  pages = {873-879}
)