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  • × theme_ss:"Retrievalstudien"
  1. Clarke, S.J.; Willett, P.: Estimating the recall performance of Web search engines (1997) 8.09
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    Author
    Willett, P.
  2. Ekmekcioglu, F.C.; Robertson, A.M.; Willett, P.: Effectiveness of query expansion in ranked-output document retrieval systems (1992) 8.09
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    Willett, P.