Search (9 results, page 1 of 1)

  • × year_i:[2010 TO 2020}
  • × author_ss:"Bornmann, L."
  1. Marx, W.; Bornmann, L.: On the problems of dealing with bibliometric data (2014) 0.01
    0.01218228 = product of:
      0.03654684 = sum of:
        0.03654684 = product of:
          0.07309368 = sum of:
            0.07309368 = weight(_text_:22 in 1239) [ClassicSimilarity], result of:
              0.07309368 = score(doc=1239,freq=2.0), product of:
                0.15743402 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044957645 = queryNorm
                0.46428138 = fieldWeight in 1239, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.09375 = fieldNorm(doc=1239)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Date
    18. 3.2014 19:13:22
  2. Leydesdorff, L.; Radicchi, F.; Bornmann, L.; Castellano, C.; Nooy, W. de: Field-normalized impact factors (IFs) : a comparison of rescaling and fractionally counted IFs (2013) 0.01
    0.0091735665 = product of:
      0.027520698 = sum of:
        0.027520698 = product of:
          0.055041395 = sum of:
            0.055041395 = weight(_text_:de in 1108) [ClassicSimilarity], result of:
              0.055041395 = score(doc=1108,freq=2.0), product of:
                0.193205 = queryWeight, product of:
                  4.297489 = idf(docFreq=1634, maxDocs=44218)
                  0.044957645 = queryNorm
                0.28488597 = fieldWeight in 1108, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.297489 = idf(docFreq=1634, maxDocs=44218)
                  0.046875 = fieldNorm(doc=1108)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
  3. Bornmann, L.; Moya Anegón, F. de; Mutz, R.: Do universities or research institutions with a specific subject profile have an advantage or a disadvantage in institutional rankings? (2013) 0.01
    0.0091735665 = product of:
      0.027520698 = sum of:
        0.027520698 = product of:
          0.055041395 = sum of:
            0.055041395 = weight(_text_:de in 1109) [ClassicSimilarity], result of:
              0.055041395 = score(doc=1109,freq=2.0), product of:
                0.193205 = queryWeight, product of:
                  4.297489 = idf(docFreq=1634, maxDocs=44218)
                  0.044957645 = queryNorm
                0.28488597 = fieldWeight in 1109, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.297489 = idf(docFreq=1634, maxDocs=44218)
                  0.046875 = fieldNorm(doc=1109)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
  4. Dobrota, M.; Bulajic, M.; Bornmann, L.; Jeremic, V.: ¬A new approach to the QS university ranking using the composite I-distance indicator : uncertainty and sensitivity analyses (2016) 0.01
    0.008699833 = product of:
      0.0260995 = sum of:
        0.0260995 = weight(_text_:m in 2500) [ClassicSimilarity], result of:
          0.0260995 = score(doc=2500,freq=4.0), product of:
            0.11187479 = queryWeight, product of:
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.044957645 = queryNorm
            0.23329206 = fieldWeight in 2500, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.046875 = fieldNorm(doc=2500)
      0.33333334 = coord(1/3)
    
  5. Bornmann, L.; Mutz, R.: From P100 to P100' : a new citation-rank approach (2014) 0.01
    0.00812152 = product of:
      0.02436456 = sum of:
        0.02436456 = product of:
          0.04872912 = sum of:
            0.04872912 = weight(_text_:22 in 1431) [ClassicSimilarity], result of:
              0.04872912 = score(doc=1431,freq=2.0), product of:
                0.15743402 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044957645 = queryNorm
                0.30952093 = fieldWeight in 1431, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0625 = fieldNorm(doc=1431)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Date
    22. 8.2014 17:05:18
  6. Bornmann, L.: How to analyze percentile citation impact data meaningfully in bibliometrics : the statistical analysis of distributions, percentile rank classes, and top-cited papers (2013) 0.01
    0.00609114 = product of:
      0.01827342 = sum of:
        0.01827342 = product of:
          0.03654684 = sum of:
            0.03654684 = weight(_text_:22 in 656) [ClassicSimilarity], result of:
              0.03654684 = score(doc=656,freq=2.0), product of:
                0.15743402 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044957645 = queryNorm
                0.23214069 = fieldWeight in 656, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.046875 = fieldNorm(doc=656)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Date
    22. 3.2013 19:44:17
  7. Leydesdorff, L.; Bornmann, L.; Wagner, C.S.: ¬The relative influences of government funding and international collaboration on citation impact (2019) 0.01
    0.00609114 = product of:
      0.01827342 = sum of:
        0.01827342 = product of:
          0.03654684 = sum of:
            0.03654684 = weight(_text_:22 in 4681) [ClassicSimilarity], result of:
              0.03654684 = score(doc=4681,freq=2.0), product of:
                0.15743402 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044957645 = queryNorm
                0.23214069 = fieldWeight in 4681, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.046875 = fieldNorm(doc=4681)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Date
    8. 1.2019 18:22:45
  8. Marx, W.; Bornmann, L.; Cardona, M.: Reference standards and reference multipliers for the comparison of the citation impact of papers published in different time periods (2010) 0.01
    0.005126426 = product of:
      0.015379278 = sum of:
        0.015379278 = weight(_text_:m in 3998) [ClassicSimilarity], result of:
          0.015379278 = score(doc=3998,freq=2.0), product of:
            0.11187479 = queryWeight, product of:
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.044957645 = queryNorm
            0.13746867 = fieldWeight in 3998, 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=3998)
      0.33333334 = coord(1/3)
    
  9. Leydesdorff, L.; Bornmann, L.: How fractional counting of citations affects the impact factor : normalization in terms of differences in citation potentials among fields of science (2011) 0.01
    0.0050759506 = product of:
      0.015227851 = sum of:
        0.015227851 = product of:
          0.030455703 = sum of:
            0.030455703 = weight(_text_:22 in 4186) [ClassicSimilarity], result of:
              0.030455703 = score(doc=4186,freq=2.0), product of:
                0.15743402 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044957645 = queryNorm
                0.19345059 = fieldWeight in 4186, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=4186)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Date
    22. 1.2011 12:51:07