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  • × author_ss:"Voorhees, E.M."
  • × theme_ss:"Sprachretrieval"
  • × theme_ss:"Retrievalstudien"
  1. Voorhees, E.M.: Question answering in TREC (2005) 1.00
    1.0 = *:*, product of:
      1.0 = boost
      1.0 = queryNorm