Search (45 results, page 2 of 3)

  • × author_ss:"Egghe, L."
  • × theme_ss:"Informetrie"
  1. Egghe, L.; Rousseau, R.: Introduction to informetrics : quantitative methods in library, documentation and information science (1990) 0.01
    0.013857029 = product of:
      0.027714059 = sum of:
        0.027714059 = product of:
          0.055428118 = sum of:
            0.055428118 = weight(_text_:l in 1515) [ClassicSimilarity], result of:
              0.055428118 = score(doc=1515,freq=2.0), product of:
                0.18031335 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.045365814 = queryNorm
                0.30739886 = fieldWeight in 1515, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=1515)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  2. Egghe, L.: ¬The influence of transformations on the h-index and the g-index (2008) 0.01
    0.013857029 = product of:
      0.027714059 = sum of:
        0.027714059 = product of:
          0.055428118 = sum of:
            0.055428118 = weight(_text_:l in 1881) [ClassicSimilarity], result of:
              0.055428118 = score(doc=1881,freq=2.0), product of:
                0.18031335 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.045365814 = queryNorm
                0.30739886 = fieldWeight in 1881, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=1881)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  3. Egghe, L.: ¬A rationale for the Hirsch-index rank-order distribution and a comparison with the impact factor rank-order distribution (2009) 0.01
    0.013857029 = product of:
      0.027714059 = sum of:
        0.027714059 = product of:
          0.055428118 = sum of:
            0.055428118 = weight(_text_:l in 3124) [ClassicSimilarity], result of:
              0.055428118 = score(doc=3124,freq=2.0), product of:
                0.18031335 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.045365814 = queryNorm
                0.30739886 = fieldWeight in 3124, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=3124)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  4. Egghe, L.: ¬A new short proof of Naranan's theorem, explaining Lotka's law and Zipf's law (2010) 0.01
    0.013857029 = product of:
      0.027714059 = sum of:
        0.027714059 = product of:
          0.055428118 = sum of:
            0.055428118 = weight(_text_:l in 3432) [ClassicSimilarity], result of:
              0.055428118 = score(doc=3432,freq=2.0), product of:
                0.18031335 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.045365814 = queryNorm
                0.30739886 = fieldWeight in 3432, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=3432)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  5. Egghe, L.; Rousseau, R.: ¬The Hirsch index of a shifted Lotka function and its relation with the impact factor (2012) 0.01
    0.013857029 = product of:
      0.027714059 = sum of:
        0.027714059 = product of:
          0.055428118 = sum of:
            0.055428118 = weight(_text_:l in 243) [ClassicSimilarity], result of:
              0.055428118 = score(doc=243,freq=2.0), product of:
                0.18031335 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.045365814 = queryNorm
                0.30739886 = fieldWeight in 243, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=243)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  6. Egghe, L.: Remarks on the paper by A. De Visscher, "what does the g-index really measure?" (2012) 0.01
    0.013857029 = product of:
      0.027714059 = sum of:
        0.027714059 = product of:
          0.055428118 = sum of:
            0.055428118 = weight(_text_:l in 463) [ClassicSimilarity], result of:
              0.055428118 = score(doc=463,freq=2.0), product of:
                0.18031335 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.045365814 = queryNorm
                0.30739886 = fieldWeight in 463, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=463)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  7. Egghe, L.: Theory of the topical coverage of multiple databases (2013) 0.01
    0.013857029 = product of:
      0.027714059 = sum of:
        0.027714059 = product of:
          0.055428118 = sum of:
            0.055428118 = weight(_text_:l in 526) [ClassicSimilarity], result of:
              0.055428118 = score(doc=526,freq=2.0), product of:
                0.18031335 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.045365814 = queryNorm
                0.30739886 = fieldWeight in 526, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=526)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  8. Egghe, L.; Rousseau, R.; Hooydonk, G. van: Methods for accrediting publications to authors or countries : consequences for evaluation studies (2000) 0.01
    0.011877453 = product of:
      0.023754906 = sum of:
        0.023754906 = product of:
          0.04750981 = sum of:
            0.04750981 = weight(_text_:l in 4384) [ClassicSimilarity], result of:
              0.04750981 = score(doc=4384,freq=2.0), product of:
                0.18031335 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.045365814 = queryNorm
                0.26348472 = fieldWeight in 4384, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.046875 = fieldNorm(doc=4384)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  9. Egghe, L.; Rousseau, R.: Aging, obsolescence, impact, growth, and utilization : definitions and relations (2000) 0.01
    0.011877453 = product of:
      0.023754906 = sum of:
        0.023754906 = product of:
          0.04750981 = sum of:
            0.04750981 = weight(_text_:l in 5154) [ClassicSimilarity], result of:
              0.04750981 = score(doc=5154,freq=2.0), product of:
                0.18031335 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.045365814 = queryNorm
                0.26348472 = fieldWeight in 5154, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.046875 = fieldNorm(doc=5154)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  10. Egghe, L.: ¬A noninformetric analysis of the relationship between citation age and journal productivity (2001) 0.01
    0.011877453 = product of:
      0.023754906 = sum of:
        0.023754906 = product of:
          0.04750981 = sum of:
            0.04750981 = weight(_text_:l in 5685) [ClassicSimilarity], result of:
              0.04750981 = score(doc=5685,freq=2.0), product of:
                0.18031335 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.045365814 = queryNorm
                0.26348472 = fieldWeight in 5685, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.046875 = fieldNorm(doc=5685)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  11. Egghe, L.; Ravichandra Rao, I.K.: Duality revisited : construction of fractional frequency distributions based on two dual Lotka laws (2002) 0.01
    0.011877453 = product of:
      0.023754906 = sum of:
        0.023754906 = product of:
          0.04750981 = sum of:
            0.04750981 = weight(_text_:l in 1006) [ClassicSimilarity], result of:
              0.04750981 = score(doc=1006,freq=2.0), product of:
                0.18031335 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.045365814 = queryNorm
                0.26348472 = fieldWeight in 1006, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.046875 = fieldNorm(doc=1006)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  12. Egghe, L.: Relations between the continuous and the discrete Lotka power function (2005) 0.01
    0.011877453 = product of:
      0.023754906 = sum of:
        0.023754906 = product of:
          0.04750981 = sum of:
            0.04750981 = weight(_text_:l in 3464) [ClassicSimilarity], result of:
              0.04750981 = score(doc=3464,freq=2.0), product of:
                0.18031335 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.045365814 = queryNorm
                0.26348472 = fieldWeight in 3464, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.046875 = fieldNorm(doc=3464)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  13. Egghe, L.: Zipfian and Lotkaian continuous concentration theory (2005) 0.01
    0.011877453 = product of:
      0.023754906 = sum of:
        0.023754906 = product of:
          0.04750981 = sum of:
            0.04750981 = weight(_text_:l in 3678) [ClassicSimilarity], result of:
              0.04750981 = score(doc=3678,freq=2.0), product of:
                0.18031335 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.045365814 = queryNorm
                0.26348472 = fieldWeight in 3678, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.046875 = fieldNorm(doc=3678)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  14. Egghe, L.; Ravichandra Rao, I.K.: Study of different h-indices for groups of authors (2008) 0.01
    0.011877453 = product of:
      0.023754906 = sum of:
        0.023754906 = product of:
          0.04750981 = sum of:
            0.04750981 = weight(_text_:l in 1878) [ClassicSimilarity], result of:
              0.04750981 = score(doc=1878,freq=2.0), product of:
                0.18031335 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.045365814 = queryNorm
                0.26348472 = fieldWeight in 1878, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.046875 = fieldNorm(doc=1878)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  15. Egghe, L.: Mathematical theory of the h- and g-index in case of fractional counting of authorship (2008) 0.01
    0.011877453 = product of:
      0.023754906 = sum of:
        0.023754906 = product of:
          0.04750981 = sum of:
            0.04750981 = weight(_text_:l in 2004) [ClassicSimilarity], result of:
              0.04750981 = score(doc=2004,freq=2.0), product of:
                0.18031335 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.045365814 = queryNorm
                0.26348472 = fieldWeight in 2004, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2004)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  16. Egghe, L.: ¬A model for the size-frequency function of coauthor pairs (2008) 0.01
    0.011877453 = product of:
      0.023754906 = sum of:
        0.023754906 = product of:
          0.04750981 = sum of:
            0.04750981 = weight(_text_:l in 2366) [ClassicSimilarity], result of:
              0.04750981 = score(doc=2366,freq=2.0), product of:
                0.18031335 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.045365814 = queryNorm
                0.26348472 = fieldWeight in 2366, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2366)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  17. Egghe, L.: Influence of adding or deleting items and sources on the h-index (2010) 0.01
    0.011877453 = product of:
      0.023754906 = sum of:
        0.023754906 = product of:
          0.04750981 = sum of:
            0.04750981 = weight(_text_:l in 3336) [ClassicSimilarity], result of:
              0.04750981 = score(doc=3336,freq=2.0), product of:
                0.18031335 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.045365814 = queryNorm
                0.26348472 = fieldWeight in 3336, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.046875 = fieldNorm(doc=3336)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  18. Egghe, L.; Guns, R.; Rousseau, R.: Thoughts on uncitedness : Nobel laureates and Fields medalists as case studies (2011) 0.01
    0.011877453 = product of:
      0.023754906 = sum of:
        0.023754906 = product of:
          0.04750981 = sum of:
            0.04750981 = weight(_text_:l in 4994) [ClassicSimilarity], result of:
              0.04750981 = score(doc=4994,freq=2.0), product of:
                0.18031335 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.045365814 = queryNorm
                0.26348472 = fieldWeight in 4994, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.046875 = fieldNorm(doc=4994)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  19. Egghe, L.; Guns, R.: Applications of the generalized law of Benford to informetric data (2012) 0.01
    0.011877453 = product of:
      0.023754906 = sum of:
        0.023754906 = product of:
          0.04750981 = sum of:
            0.04750981 = weight(_text_:l in 376) [ClassicSimilarity], result of:
              0.04750981 = score(doc=376,freq=2.0), product of:
                0.18031335 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.045365814 = queryNorm
                0.26348472 = fieldWeight in 376, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.046875 = fieldNorm(doc=376)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  20. Egghe, L.: Type/Token-Taken informetrics (2003) 0.01
    0.009897877 = product of:
      0.019795755 = sum of:
        0.019795755 = product of:
          0.03959151 = sum of:
            0.03959151 = weight(_text_:l in 1608) [ClassicSimilarity], result of:
              0.03959151 = score(doc=1608,freq=2.0), product of:
                0.18031335 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.045365814 = queryNorm
                0.2195706 = fieldWeight in 1608, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=1608)
          0.5 = coord(1/2)
      0.5 = coord(1/2)