Search (1 results, page 1 of 1)

  • × author_ss:"Back, J."
  • × theme_ss:"Retrievalalgorithmen"
  • × theme_ss:"Suchmaschinen"
  • × year_i:[2000 TO 2010}
  1. Back, J.: ¬An evaluation of relevancy ranking techniques used by Internet search engines (2000) 0.04
    0.039212797 = product of:
      0.07842559 = sum of:
        0.07842559 = sum of:
          0.0068952385 = weight(_text_:s in 3445) [ClassicSimilarity], result of:
            0.0068952385 = score(doc=3445,freq=2.0), product of:
              0.04100075 = queryWeight, product of:
                1.0872376 = idf(docFreq=40523, maxDocs=44218)
                0.03771094 = queryNorm
              0.16817348 = fieldWeight in 3445, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                1.0872376 = idf(docFreq=40523, maxDocs=44218)
                0.109375 = fieldNorm(doc=3445)
          0.07153036 = weight(_text_:22 in 3445) [ClassicSimilarity], result of:
            0.07153036 = score(doc=3445,freq=2.0), product of:
              0.13205728 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.03771094 = queryNorm
              0.5416616 = fieldWeight in 3445, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.109375 = fieldNorm(doc=3445)
      0.5 = coord(1/2)
    
    Date
    25. 8.2005 17:42:22
    Source
    Library and information research news. 24(2000) no.77, S.30-34