Search (60 results, page 1 of 3)

  • × author_ss:"Bornmann, L."
  1. Marx, W.; Bornmann, L.: On the problems of dealing with bibliometric data (2014) 0.03
    0.02883604 = product of:
      0.05767208 = sum of:
        0.05767208 = product of:
          0.08650812 = sum of:
            0.012473342 = weight(_text_:e in 1239) [ClassicSimilarity], result of:
              0.012473342 = score(doc=1239,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.19057012 = fieldWeight in 1239, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.09375 = fieldNorm(doc=1239)
            0.07403477 = weight(_text_:22 in 1239) [ClassicSimilarity], result of:
              0.07403477 = score(doc=1239,freq=2.0), product of:
                0.15946099 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04553648 = 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)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    18. 3.2014 19:13:22
    Language
    e
  2. Bornmann, L.; Bauer, J.; Haunschild, R.: Distribution of women and men among highly cited scientists (2015) 0.02
    0.024476422 = product of:
      0.048952844 = sum of:
        0.048952844 = product of:
          0.073429264 = sum of:
            0.012473342 = weight(_text_:e in 2349) [ClassicSimilarity], result of:
              0.012473342 = score(doc=2349,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.19057012 = fieldWeight in 2349, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.09375 = fieldNorm(doc=2349)
            0.06095592 = weight(_text_:j in 2349) [ClassicSimilarity], result of:
              0.06095592 = score(doc=2349,freq=2.0), product of:
                0.144692 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.04553648 = queryNorm
                0.4212805 = fieldWeight in 2349, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.09375 = fieldNorm(doc=2349)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Language
    e
  3. Bornmann, L.; Mutz, R.: From P100 to P100' : a new citation-rank approach (2014) 0.02
    0.019224025 = product of:
      0.03844805 = sum of:
        0.03844805 = product of:
          0.057672076 = sum of:
            0.008315561 = weight(_text_:e in 1431) [ClassicSimilarity], result of:
              0.008315561 = score(doc=1431,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.12704675 = fieldWeight in 1431, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0625 = fieldNorm(doc=1431)
            0.049356513 = weight(_text_:22 in 1431) [ClassicSimilarity], result of:
              0.049356513 = score(doc=1431,freq=2.0), product of:
                0.15946099 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04553648 = 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)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    22. 8.2014 17:05:18
    Language
    e
  4. Bornmann, L.; Bauer, J.: Which of the world's institutions employ the most highly cited researchers : an analysis of the data from highlycited.com (2015) 0.02
    0.016317613 = product of:
      0.032635227 = sum of:
        0.032635227 = product of:
          0.04895284 = sum of:
            0.008315561 = weight(_text_:e in 1556) [ClassicSimilarity], result of:
              0.008315561 = score(doc=1556,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.12704675 = fieldWeight in 1556, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0625 = fieldNorm(doc=1556)
            0.040637277 = weight(_text_:j in 1556) [ClassicSimilarity], result of:
              0.040637277 = score(doc=1556,freq=2.0), product of:
                0.144692 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.04553648 = queryNorm
                0.28085366 = fieldWeight in 1556, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.0625 = fieldNorm(doc=1556)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Language
    e
  5. Bornmann, L.; Bauer, J.: Which of the world's institutions employ the most highly cited researchers : an analysis of the data from highlycited.com (2015) 0.02
    0.016317613 = product of:
      0.032635227 = sum of:
        0.032635227 = product of:
          0.04895284 = sum of:
            0.008315561 = weight(_text_:e in 2223) [ClassicSimilarity], result of:
              0.008315561 = score(doc=2223,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.12704675 = fieldWeight in 2223, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0625 = fieldNorm(doc=2223)
            0.040637277 = weight(_text_:j in 2223) [ClassicSimilarity], result of:
              0.040637277 = score(doc=2223,freq=2.0), product of:
                0.144692 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.04553648 = queryNorm
                0.28085366 = fieldWeight in 2223, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.0625 = fieldNorm(doc=2223)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Language
    e
  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
    0.01441802 = product of:
      0.02883604 = sum of:
        0.02883604 = product of:
          0.04325406 = sum of:
            0.006236671 = weight(_text_:e in 656) [ClassicSimilarity], result of:
              0.006236671 = score(doc=656,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.09528506 = fieldWeight in 656, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.046875 = fieldNorm(doc=656)
            0.037017386 = weight(_text_:22 in 656) [ClassicSimilarity], result of:
              0.037017386 = score(doc=656,freq=2.0), product of:
                0.15946099 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04553648 = 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)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    22. 3.2013 19:44:17
    Language
    e
  7. Leydesdorff, L.; Bornmann, L.; Wagner, C.S.: ¬The relative influences of government funding and international collaboration on citation impact (2019) 0.01
    0.01441802 = product of:
      0.02883604 = sum of:
        0.02883604 = product of:
          0.04325406 = sum of:
            0.006236671 = weight(_text_:e in 4681) [ClassicSimilarity], result of:
              0.006236671 = score(doc=4681,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.09528506 = fieldWeight in 4681, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.046875 = fieldNorm(doc=4681)
            0.037017386 = weight(_text_:22 in 4681) [ClassicSimilarity], result of:
              0.037017386 = score(doc=4681,freq=2.0), product of:
                0.15946099 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04553648 = 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)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    8. 1.2019 18:22:45
    Language
    e
  8. 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
    0.012015017 = product of:
      0.024030033 = sum of:
        0.024030033 = product of:
          0.03604505 = sum of:
            0.005197226 = weight(_text_:e in 4186) [ClassicSimilarity], result of:
              0.005197226 = score(doc=4186,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.07940422 = fieldWeight in 4186, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=4186)
            0.030847821 = weight(_text_:22 in 4186) [ClassicSimilarity], result of:
              0.030847821 = score(doc=4186,freq=2.0), product of:
                0.15946099 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04553648 = 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)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    22. 1.2011 12:51:07
    Language
    e
  9. Bauer, J.; Leydesdorff, L.; Bornmann, L.: Highly cited papers in Library and Information Science (LIS) : authors, institutions, and network structures (2016) 0.01
    0.010198509 = product of:
      0.020397019 = sum of:
        0.020397019 = product of:
          0.030595526 = sum of:
            0.005197226 = weight(_text_:e in 3231) [ClassicSimilarity], result of:
              0.005197226 = score(doc=3231,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.07940422 = fieldWeight in 3231, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=3231)
            0.0253983 = weight(_text_:j in 3231) [ClassicSimilarity], result of:
              0.0253983 = score(doc=3231,freq=2.0), product of:
                0.144692 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.04553648 = queryNorm
                0.17553353 = fieldWeight in 3231, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=3231)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Language
    e
  10. Leydesdorff, L.; Bornmann, L.; Mingers, J.: Statistical significance and effect sizes of differences among research universities at the level of nations and worldwide based on the Leiden rankings (2019) 0.01
    0.010198509 = product of:
      0.020397019 = sum of:
        0.020397019 = product of:
          0.030595526 = sum of:
            0.005197226 = weight(_text_:e in 5225) [ClassicSimilarity], result of:
              0.005197226 = score(doc=5225,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.07940422 = fieldWeight in 5225, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=5225)
            0.0253983 = weight(_text_:j in 5225) [ClassicSimilarity], result of:
              0.0253983 = score(doc=5225,freq=2.0), product of:
                0.144692 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.04553648 = queryNorm
                0.17553353 = fieldWeight in 5225, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=5225)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Language
    e
  11. Collins, H.; Bornmann, L.: On scientific misconduct (2014) 0.00
    0.0024253721 = product of:
      0.0048507443 = sum of:
        0.0048507443 = product of:
          0.014552233 = sum of:
            0.014552233 = weight(_text_:e in 1247) [ClassicSimilarity], result of:
              0.014552233 = score(doc=1247,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.2223318 = fieldWeight in 1247, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.109375 = fieldNorm(doc=1247)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    e
  12. Bornmann, L.: Scientific peer review (2011) 0.00
    0.0024253721 = product of:
      0.0048507443 = sum of:
        0.0048507443 = product of:
          0.014552233 = sum of:
            0.014552233 = weight(_text_:e in 1600) [ClassicSimilarity], result of:
              0.014552233 = score(doc=1600,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.2223318 = fieldWeight in 1600, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.109375 = fieldNorm(doc=1600)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    e
  13. Bornmann, L.; Leydesdorff, L.: Statistical tests and research assessments : a comment on Schneider (2012) (2013) 0.00
    0.0020788903 = product of:
      0.0041577807 = sum of:
        0.0041577807 = product of:
          0.012473342 = sum of:
            0.012473342 = weight(_text_:e in 752) [ClassicSimilarity], result of:
              0.012473342 = score(doc=752,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.19057012 = fieldWeight in 752, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.09375 = fieldNorm(doc=752)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    e
  14. Bornmann, L.: On the function of university rankings (2014) 0.00
    0.0020788903 = product of:
      0.0041577807 = sum of:
        0.0041577807 = product of:
          0.012473342 = sum of:
            0.012473342 = weight(_text_:e in 1188) [ClassicSimilarity], result of:
              0.012473342 = score(doc=1188,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.19057012 = fieldWeight in 1188, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.09375 = fieldNorm(doc=1188)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    e
  15. Bornmann, L.: Is there currently a scientific revolution in Scientometrics? (2014) 0.00
    0.0020788903 = product of:
      0.0041577807 = sum of:
        0.0041577807 = product of:
          0.012473342 = sum of:
            0.012473342 = weight(_text_:e in 1206) [ClassicSimilarity], result of:
              0.012473342 = score(doc=1206,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.19057012 = fieldWeight in 1206, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.09375 = fieldNorm(doc=1206)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    e
  16. Bornmann, L.: ¬The reception of publications by scientists in the early days of modern science (2014) 0.00
    0.0020788903 = product of:
      0.0041577807 = sum of:
        0.0041577807 = product of:
          0.012473342 = sum of:
            0.012473342 = weight(_text_:e in 1509) [ClassicSimilarity], result of:
              0.012473342 = score(doc=1509,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.19057012 = fieldWeight in 1509, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.09375 = fieldNorm(doc=1509)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    e
  17. Bornmann, L.: What do altmetrics counts mean? : a plea for content analyses (2016) 0.00
    0.0020788903 = product of:
      0.0041577807 = sum of:
        0.0041577807 = product of:
          0.012473342 = sum of:
            0.012473342 = weight(_text_:e in 2858) [ClassicSimilarity], result of:
              0.012473342 = score(doc=2858,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.19057012 = fieldWeight in 2858, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.09375 = fieldNorm(doc=2858)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    e
  18. Besselaar, P. van den; Wagner, C,; Bornmann, L.: Correct assumptions? (2016) 0.00
    0.0020788903 = product of:
      0.0041577807 = sum of:
        0.0041577807 = product of:
          0.012473342 = sum of:
            0.012473342 = weight(_text_:e in 3020) [ClassicSimilarity], result of:
              0.012473342 = score(doc=3020,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.19057012 = fieldWeight in 3020, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.09375 = fieldNorm(doc=3020)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    e
  19. Leydesdorff, L.; Wagner, C,; Bornmann, L.: Replicability and the public/private divide (2016) 0.00
    0.0020788903 = product of:
      0.0041577807 = sum of:
        0.0041577807 = product of:
          0.012473342 = sum of:
            0.012473342 = weight(_text_:e in 3023) [ClassicSimilarity], result of:
              0.012473342 = score(doc=3023,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.19057012 = fieldWeight in 3023, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.09375 = fieldNorm(doc=3023)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    e
  20. Bornmann, L.: Complex tasks and simple solutions : the use of heuristics in the evaluation of research (2015) 0.00
    0.0017324088 = product of:
      0.0034648175 = sum of:
        0.0034648175 = product of:
          0.010394452 = sum of:
            0.010394452 = weight(_text_:e in 8911) [ClassicSimilarity], result of:
              0.010394452 = score(doc=8911,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.15880844 = fieldWeight in 8911, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.078125 = fieldNorm(doc=8911)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    e