Search (2 results, page 1 of 1)

  • × theme_ss:"Informetrie"
  • × theme_ss:"Suchmaschinen"
  • × year_i:[2000 TO 2010}
  1. Thelwall, M.: Web impact factors and search engine coverage (2000) 0.01
    0.005038228 = product of:
      0.010076456 = sum of:
        0.010076456 = product of:
          0.020152912 = sum of:
            0.020152912 = weight(_text_:m in 4539) [ClassicSimilarity], result of:
              0.020152912 = score(doc=4539,freq=2.0), product of:
                0.09162503 = queryWeight, product of:
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.03682014 = queryNorm
                0.21994986 = fieldWeight in 4539, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.0625 = fieldNorm(doc=4539)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  2. Thelwall, M.: Quantitative comparisons of search engine results (2008) 0.00
    0.0031488927 = product of:
      0.0062977853 = sum of:
        0.0062977853 = product of:
          0.012595571 = sum of:
            0.012595571 = weight(_text_:m in 2350) [ClassicSimilarity], result of:
              0.012595571 = score(doc=2350,freq=2.0), product of:
                0.09162503 = queryWeight, product of:
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.03682014 = queryNorm
                0.13746867 = fieldWeight in 2350, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=2350)
          0.5 = coord(1/2)
      0.5 = coord(1/2)