Search (1 results, page 1 of 1)

  • × author_ss:"Back, J."
  • × theme_ss:"Retrievalalgorithmen"
  1. Back, J.: ¬An evaluation of relevancy ranking techniques used by Internet search engines (2000) 0.17
    0.16660343 = product of:
      0.33320686 = sum of:
        0.33320686 = sum of:
          0.22632267 = weight(_text_:2000 in 3445) [ClassicSimilarity], result of:
            0.22632267 = score(doc=3445,freq=5.0), product of:
              0.22835353 = queryWeight, product of:
                4.0524464 = idf(docFreq=2088, maxDocs=44218)
                0.05634955 = queryNorm
              0.9911065 = fieldWeight in 3445, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                4.0524464 = idf(docFreq=2088, maxDocs=44218)
                0.109375 = fieldNorm(doc=3445)
          0.106884204 = weight(_text_:22 in 3445) [ClassicSimilarity], result of:
            0.106884204 = score(doc=3445,freq=2.0), product of:
              0.19732653 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.05634955 = 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
    Year
    2000