Search (12 results, page 1 of 1)

  • × author_ss:"Bornmann, L."
  1. Besselaar, P. van den; Wagner, C,; Bornmann, L.: Correct assumptions? (2016) 0.01
    0.007861848 = product of:
      0.03930924 = sum of:
        0.03930924 = weight(_text_:den in 3020) [ClassicSimilarity], result of:
          0.03930924 = score(doc=3020,freq=2.0), product of:
            0.10344325 = queryWeight, product of:
              2.866198 = idf(docFreq=6840, maxDocs=44218)
              0.036090754 = queryNorm
            0.38000777 = fieldWeight in 3020, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.866198 = idf(docFreq=6840, maxDocs=44218)
              0.09375 = fieldNorm(doc=3020)
      0.2 = coord(1/5)
    
  2. Bornmann, L.: On the function of university rankings (2014) 0.00
    0.0039473483 = product of:
      0.01973674 = sum of:
        0.01973674 = product of:
          0.059210222 = sum of:
            0.059210222 = weight(_text_:29 in 1188) [ClassicSimilarity], result of:
              0.059210222 = score(doc=1188,freq=2.0), product of:
                0.12695599 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.036090754 = queryNorm
                0.46638384 = fieldWeight in 1188, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.09375 = fieldNorm(doc=1188)
          0.33333334 = coord(1/3)
      0.2 = coord(1/5)
    
    Date
    29. 1.2014 16:55:03
  3. Marx, W.; Bornmann, L.: On the problems of dealing with bibliometric data (2014) 0.00
    0.0039118393 = product of:
      0.019559197 = sum of:
        0.019559197 = product of:
          0.058677588 = sum of:
            0.058677588 = weight(_text_:22 in 1239) [ClassicSimilarity], result of:
              0.058677588 = score(doc=1239,freq=2.0), product of:
                0.12638368 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.036090754 = 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)
          0.33333334 = coord(1/3)
      0.2 = coord(1/5)
    
    Date
    18. 3.2014 19:13:22
  4. Bornmann, L.; Mutz, R.: From P100 to P100' : a new citation-rank approach (2014) 0.00
    0.002607893 = product of:
      0.013039465 = sum of:
        0.013039465 = product of:
          0.039118394 = sum of:
            0.039118394 = weight(_text_:22 in 1431) [ClassicSimilarity], result of:
              0.039118394 = score(doc=1431,freq=2.0), product of:
                0.12638368 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.036090754 = 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)
          0.33333334 = coord(1/3)
      0.2 = coord(1/5)
    
    Date
    22. 8.2014 17:05:18
  5. 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) 0.00
    0.0025338966 = product of:
      0.012669483 = sum of:
        0.012669483 = product of:
          0.038008448 = sum of:
            0.038008448 = weight(_text_:f in 1108) [ClassicSimilarity], result of:
              0.038008448 = score(doc=1108,freq=2.0), product of:
                0.14385001 = queryWeight, product of:
                  3.985786 = idf(docFreq=2232, maxDocs=44218)
                  0.036090754 = queryNorm
                0.26422277 = fieldWeight in 1108, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.985786 = idf(docFreq=2232, maxDocs=44218)
                  0.046875 = fieldNorm(doc=1108)
          0.33333334 = coord(1/3)
      0.2 = coord(1/5)
    
  6. 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) 0.00
    0.0025338966 = product of:
      0.012669483 = sum of:
        0.012669483 = product of:
          0.038008448 = sum of:
            0.038008448 = weight(_text_:f in 1109) [ClassicSimilarity], result of:
              0.038008448 = score(doc=1109,freq=2.0), product of:
                0.14385001 = queryWeight, product of:
                  3.985786 = idf(docFreq=2232, maxDocs=44218)
                  0.036090754 = queryNorm
                0.26422277 = fieldWeight in 1109, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.985786 = idf(docFreq=2232, maxDocs=44218)
                  0.046875 = fieldNorm(doc=1109)
          0.33333334 = coord(1/3)
      0.2 = coord(1/5)
    
  7. Bornmann, L.; Marx, W.: Distributions instead of single numbers : percentiles and beam plots for the assessment of single researchers (2014) 0.00
    0.0023026196 = product of:
      0.011513098 = sum of:
        0.011513098 = product of:
          0.034539293 = sum of:
            0.034539293 = weight(_text_:29 in 1190) [ClassicSimilarity], result of:
              0.034539293 = score(doc=1190,freq=2.0), product of:
                0.12695599 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.036090754 = queryNorm
                0.27205724 = fieldWeight in 1190, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=1190)
          0.33333334 = coord(1/3)
      0.2 = coord(1/5)
    
    Date
    29. 1.2014 15:58:21
  8. Bornmann, L.; Ye, A.; Ye, F.: Identifying landmark publications in the long run using field-normalized citation data (2018) 0.00
    0.002111581 = product of:
      0.010557904 = sum of:
        0.010557904 = product of:
          0.03167371 = sum of:
            0.03167371 = weight(_text_:f in 4196) [ClassicSimilarity], result of:
              0.03167371 = score(doc=4196,freq=2.0), product of:
                0.14385001 = queryWeight, product of:
                  3.985786 = idf(docFreq=2232, maxDocs=44218)
                  0.036090754 = queryNorm
                0.22018565 = fieldWeight in 4196, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.985786 = idf(docFreq=2232, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=4196)
          0.33333334 = coord(1/3)
      0.2 = coord(1/5)
    
  9. 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) 0.00
    0.0019559197 = product of:
      0.009779599 = sum of:
        0.009779599 = product of:
          0.029338794 = sum of:
            0.029338794 = weight(_text_:22 in 656) [ClassicSimilarity], result of:
              0.029338794 = score(doc=656,freq=2.0), product of:
                0.12638368 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.036090754 = 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)
          0.33333334 = coord(1/3)
      0.2 = coord(1/5)
    
    Date
    22. 3.2013 19:44:17
  10. Leydesdorff, L.; Bornmann, L.; Wagner, C.S.: ¬The relative influences of government funding and international collaboration on citation impact (2019) 0.00
    0.0019559197 = product of:
      0.009779599 = sum of:
        0.009779599 = product of:
          0.029338794 = sum of:
            0.029338794 = weight(_text_:22 in 4681) [ClassicSimilarity], result of:
              0.029338794 = score(doc=4681,freq=2.0), product of:
                0.12638368 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.036090754 = 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)
          0.33333334 = coord(1/3)
      0.2 = coord(1/5)
    
    Date
    8. 1.2019 18:22:45
  11. Bornmann, L.; Schier, H.; Marx, W.; Daniel, H.-D.: Is interactive open access publishing able to identify high-impact submissions? : a study on the predictive validity of Atmospheric Chemistry and Physics by using percentile rank classes (2011) 0.00
    0.0016447286 = product of:
      0.008223643 = sum of:
        0.008223643 = product of:
          0.024670927 = sum of:
            0.024670927 = weight(_text_:29 in 4132) [ClassicSimilarity], result of:
              0.024670927 = score(doc=4132,freq=2.0), product of:
                0.12695599 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.036090754 = queryNorm
                0.19432661 = fieldWeight in 4132, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=4132)
          0.33333334 = coord(1/3)
      0.2 = coord(1/5)
    
    Date
    8. 1.2011 18:29:40
  12. 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) 0.00
    0.0016299331 = product of:
      0.008149666 = sum of:
        0.008149666 = product of:
          0.024448996 = sum of:
            0.024448996 = weight(_text_:22 in 4186) [ClassicSimilarity], result of:
              0.024448996 = score(doc=4186,freq=2.0), product of:
                0.12638368 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.036090754 = 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)
          0.33333334 = coord(1/3)
      0.2 = coord(1/5)
    
    Date
    22. 1.2011 12:51:07