Search (2 results, page 1 of 1)

  • × theme_ss:"Retrievalstudien"
  • × year_i:[1990 TO 2000}
  • × author_ss:"Willett, P."
  1. Clarke, S.J.; Willett, P.: Estimating the recall performance of Web search engines (1997) 1.00 
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  2. Ekmekcioglu, F.C.; Robertson, A.M.; Willett, P.: Effectiveness of query expansion in ranked-output document retrieval systems (1992) 1.00 
    1.0 = *:*, product of:
  1.0 = boost
  1.0 = queryNorm

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