Search (6 results, page 1 of 1)

  • × author_ss:"Leydesdorff, L."
  • × year_i:[2010 TO 2020}
  1. Leydesdorff, L.; Johnson, M.W.; Ivanova, I.: Toward a calculus of redundancy : signification, codification, and anticipation in cultural evolution (2018) 0.00
    0.0031545064 = product of:
      0.025236052 = sum of:
        0.025236052 = product of:
          0.037854075 = sum of:
            0.019012554 = weight(_text_:29 in 4463) [ClassicSimilarity], result of:
              0.019012554 = score(doc=4463,freq=2.0), product of:
                0.09783814 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0278132 = queryNorm
                0.19432661 = fieldWeight in 4463, 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=4463)
            0.018841524 = weight(_text_:22 in 4463) [ClassicSimilarity], result of:
              0.018841524 = score(doc=4463,freq=2.0), product of:
                0.09739709 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0278132 = queryNorm
                0.19345059 = fieldWeight in 4463, 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=4463)
          0.6666667 = coord(2/3)
      0.125 = coord(1/8)
    
    Date
    29. 9.2018 11:22:09
  2. Leydesdorff, L.; Bornmann, L.; Wagner, C.S.: ¬The relative influences of government funding and international collaboration on citation impact (2019) 0.00
    9.420762E-4 = product of:
      0.0075366097 = sum of:
        0.0075366097 = product of:
          0.022609828 = sum of:
            0.022609828 = weight(_text_:22 in 4681) [ClassicSimilarity], result of:
              0.022609828 = score(doc=4681,freq=2.0), product of:
                0.09739709 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0278132 = 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)
      0.125 = coord(1/8)
    
    Date
    8. 1.2019 18:22:45
  3. Chen, C.; Leydesdorff, L.: Patterns of connections and movements in dual-map overlays : a new method of publication portfolio analysis (2014) 0.00
    7.9218973E-4 = product of:
      0.006337518 = sum of:
        0.006337518 = product of:
          0.019012554 = sum of:
            0.019012554 = weight(_text_:29 in 1200) [ClassicSimilarity], result of:
              0.019012554 = score(doc=1200,freq=2.0), product of:
                0.09783814 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0278132 = queryNorm
                0.19432661 = fieldWeight in 1200, 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=1200)
          0.33333334 = coord(1/3)
      0.125 = coord(1/8)
    
    Date
    29. 1.2014 16:38:28
  4. Leydesdorff, L.; Ivanova, I.A.: Mutual redundancies in interhuman communication systems : steps toward a calculus of processing meaning (2014) 0.00
    7.9218973E-4 = product of:
      0.006337518 = sum of:
        0.006337518 = product of:
          0.019012554 = sum of:
            0.019012554 = weight(_text_:29 in 1211) [ClassicSimilarity], result of:
              0.019012554 = score(doc=1211,freq=2.0), product of:
                0.09783814 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0278132 = queryNorm
                0.19432661 = fieldWeight in 1211, 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=1211)
          0.33333334 = coord(1/3)
      0.125 = coord(1/8)
    
    Date
    29. 1.2014 16:44:54
  5. 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
    7.850635E-4 = product of:
      0.006280508 = sum of:
        0.006280508 = product of:
          0.018841524 = sum of:
            0.018841524 = weight(_text_:22 in 4186) [ClassicSimilarity], result of:
              0.018841524 = score(doc=4186,freq=2.0), product of:
                0.09739709 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0278132 = 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)
      0.125 = coord(1/8)
    
    Date
    22. 1.2011 12:51:07
  6. Hellsten, I.; Leydesdorff, L.: ¬The construction of interdisciplinarity : the development of the knowledge base and programmatic focus of the journal Climatic Change, 1977-2013 (2016) 0.00
    7.850635E-4 = product of:
      0.006280508 = sum of:
        0.006280508 = product of:
          0.018841524 = sum of:
            0.018841524 = weight(_text_:22 in 3089) [ClassicSimilarity], result of:
              0.018841524 = score(doc=3089,freq=2.0), product of:
                0.09739709 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0278132 = queryNorm
                0.19345059 = fieldWeight in 3089, 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=3089)
          0.33333334 = coord(1/3)
      0.125 = coord(1/8)
    
    Date
    24. 8.2016 17:53:22