Search (44 results, page 3 of 3)

  • × author_ss:"Bornmann, L."
  • × theme_ss:"Informetrie"
  1. Bornmann, L.; Haunschild, R.: ¬An empirical look at the nature index (2017) 0.00
    7.520119E-4 = product of:
      0.0015040238 = sum of:
        0.0015040238 = product of:
          0.0030080476 = sum of:
            0.0030080476 = weight(_text_:s in 3432) [ClassicSimilarity], result of:
              0.0030080476 = score(doc=3432,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.060061958 = fieldWeight in 3432, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=3432)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the Association for Information Science and Technology. 68(2017) no.3, S.653-659
  2. Bornmann, L.: Is collaboration among scientists related to the citation impact of papers because their quality increases with collaboration? : an analysis based on data from F1000Prime and normalized citation scores (2017) 0.00
    7.520119E-4 = product of:
      0.0015040238 = sum of:
        0.0015040238 = product of:
          0.0030080476 = sum of:
            0.0030080476 = weight(_text_:s in 3539) [ClassicSimilarity], result of:
              0.0030080476 = score(doc=3539,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.060061958 = fieldWeight in 3539, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=3539)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the Association for Information Science and Technology. 68(2017) no.4, S.1036-1047
  3. Bornmann, L.; Ye, A.; Ye, F.: Identifying landmark publications in the long run using field-normalized citation data (2018) 0.00
    7.520119E-4 = product of:
      0.0015040238 = sum of:
        0.0015040238 = product of:
          0.0030080476 = sum of:
            0.0030080476 = weight(_text_:s in 4196) [ClassicSimilarity], result of:
              0.0030080476 = score(doc=4196,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.060061958 = fieldWeight in 4196, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=4196)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of documentation. 74(2018) no.2, S.278-288
  4. 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) 0.00
    7.520119E-4 = product of:
      0.0015040238 = sum of:
        0.0015040238 = product of:
          0.0030080476 = sum of:
            0.0030080476 = weight(_text_:s in 5225) [ClassicSimilarity], result of:
              0.0030080476 = score(doc=5225,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.060061958 = fieldWeight in 5225, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=5225)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the Association for Information Science and Technology. 70(2019) no.5, S.509-525