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  • × author_ss:"Voorhees, E.M."
  • × theme_ss:"Sprachretrieval"
  1. Voorhees, E.M.: Question answering in TREC (2005) 0.00 
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    Source
    TREC: experiment and evaluation in information retrieval. Ed.: E.M. Voorhees, u. D.K. Harman