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  • × theme_ss:"Retrievalstudien"
  • × theme_ss:"Suchmaschinen"
  1. Clarke, S.J.; Willett, P.: Estimating the recall performance of Web search engines (1997) 7.55 
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  2. Mettrop, W.; Nieuwenhuysen, P.: Internet search engines : fluctuations in document accessibility (2001) 7.55 
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