Search (3 results, page 1 of 1)

  • × author_ss:"Leydesdorff, L."
  • × theme_ss:"Informetrie"
  • × year_i:[2010 TO 2020}
  1. Leydesdorff, L.; Bornmann, L.; Wagner, C.S.: ¬The relative influences of government funding and international collaboration on citation impact (2019) 0.00
    0.0025605874 = product of:
      0.0102423495 = sum of:
        0.0102423495 = product of:
          0.030727047 = sum of:
            0.030727047 = weight(_text_:22 in 4681) [ClassicSimilarity], result of:
              0.030727047 = score(doc=4681,freq=2.0), product of:
                0.1323639 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.037798498 = 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)
      0.25 = coord(1/4)
    
    Date
    8. 1.2019 18:22:45
  2. Chen, C.; Leydesdorff, L.: Patterns of connections and movements in dual-map overlays : a new method of publication portfolio analysis (2014) 0.00
    0.0021531924 = product of:
      0.00861277 = sum of:
        0.00861277 = product of:
          0.025838308 = sum of:
            0.025838308 = weight(_text_:29 in 1200) [ClassicSimilarity], result of:
              0.025838308 = score(doc=1200,freq=2.0), product of:
                0.1329633 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.037798498 = 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)
      0.25 = coord(1/4)
    
    Date
    29. 1.2014 16:38:28
  3. 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
    0.002133823 = product of:
      0.008535292 = sum of:
        0.008535292 = product of:
          0.025605874 = sum of:
            0.025605874 = weight(_text_:22 in 4186) [ClassicSimilarity], result of:
              0.025605874 = score(doc=4186,freq=2.0), product of:
                0.1323639 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.037798498 = 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)
      0.25 = coord(1/4)
    
    Date
    22. 1.2011 12:51:07