Document (#35796)

Author
Rousseau, R.
Title
Informetric laws
Source
Encyclopedia of library and information sciences. 3rd ed. Ed.: M.J. Bates
Imprint
London : Taylor & Francis
Year
2009
Pages
S.xx-xx
Abstract
In this entry we formulate the so-called informetric laws, recall their origin, indicate how it can be shown that they are basically equivalent representations of the same regularity, hint at some explanations, such as success-breeds-success or preferential attachment, and describe why they are so ubiquitous.
Footnote
Vgl.: http://www.tandfonline.com/doi/book/10.1081/E-ELIS3.
Theme
Informetrie
Object
Bradford-Gesetz
Lotka-Gesetz
Zipf-Gesetz
Mandelbrot-Gesetz
Leimkuhler-Gesetz

Similar documents (author)

  1. Rousseau, S.; Rousseau, R.: Metric-wiseness (2015) 5.36
    5.3641214 = sum of:
      5.3641214 = weight(author_txt:rousseau in 6069) [ClassicSimilarity], result of:
        5.3641214 = fieldWeight in 6069, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          7.5860133 = idf(docFreq=60, maxDocs=44218)
          0.5 = fieldNorm(doc=6069)
    
  2. Rousseau, S.; Rousseau, R.: Interactions between journal attributes and authors' willingness to wait for editorial decisions (2012) 5.36
    5.3641214 = sum of:
      5.3641214 = weight(author_txt:rousseau in 250) [ClassicSimilarity], result of:
        5.3641214 = fieldWeight in 250, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          7.5860133 = idf(docFreq=60, maxDocs=44218)
          0.5 = fieldNorm(doc=250)
    
  3. Rousseau, R.: Use of an existing thesaurus in a knowledge based indexing and retrieval system (1991) 4.74
    4.741258 = sum of:
      4.741258 = weight(author_txt:rousseau in 3007) [ClassicSimilarity], result of:
        4.741258 = fieldWeight in 3007, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.5860133 = idf(docFreq=60, maxDocs=44218)
          0.625 = fieldNorm(doc=3007)
    
  4. Rousseau, R.: ¬A table for estimating the exponent in Lotka's law (1993) 4.74
    4.741258 = sum of:
      4.741258 = weight(author_txt:rousseau in 5653) [ClassicSimilarity], result of:
        4.741258 = fieldWeight in 5653, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.5860133 = idf(docFreq=60, maxDocs=44218)
          0.625 = fieldNorm(doc=5653)
    
  5. Rousseau, R.: Bradford curves (1994) 4.74
    4.741258 = sum of:
      4.741258 = weight(author_txt:rousseau in 7304) [ClassicSimilarity], result of:
        4.741258 = fieldWeight in 7304, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.5860133 = idf(docFreq=60, maxDocs=44218)
          0.625 = fieldNorm(doc=7304)
    

Similar documents (content)

  1. Egghe, L.: ¬The power of power laws and an interpretation of Lotkaian informetric systems as self-similar fractals (2005) 0.23
    0.23138961 = sum of:
      0.23138961 = product of:
        0.72309256 = sum of:
          0.010014828 = weight(abstract_txt:some in 3466) [ClassicSimilarity], result of:
            0.010014828 = score(doc=3466,freq=1.0), product of:
              0.043567207 = queryWeight, product of:
                1.0736625 = boost
                3.6779325 = idf(docFreq=3037, maxDocs=44218)
                0.011032862 = queryNorm
              0.22987078 = fieldWeight in 3466, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.6779325 = idf(docFreq=3037, maxDocs=44218)
                0.0625 = fieldNorm(doc=3466)
          0.021454727 = weight(abstract_txt:same in 3466) [ClassicSimilarity], result of:
            0.021454727 = score(doc=3466,freq=1.0), product of:
              0.07240125 = queryWeight, product of:
                1.3840792 = boost
                4.7412944 = idf(docFreq=1048, maxDocs=44218)
                0.011032862 = queryNorm
              0.2963309 = fieldWeight in 3466, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.7412944 = idf(docFreq=1048, maxDocs=44218)
                0.0625 = fieldNorm(doc=3466)
          0.029995728 = weight(abstract_txt:called in 3466) [ClassicSimilarity], result of:
            0.029995728 = score(doc=3466,freq=1.0), product of:
              0.090525374 = queryWeight, product of:
                1.5476513 = boost
                5.3016257 = idf(docFreq=598, maxDocs=44218)
                0.011032862 = queryNorm
              0.3313516 = fieldWeight in 3466, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.3016257 = idf(docFreq=598, maxDocs=44218)
                0.0625 = fieldNorm(doc=3466)
          0.030967891 = weight(abstract_txt:indicate in 3466) [ClassicSimilarity], result of:
            0.030967891 = score(doc=3466,freq=1.0), product of:
              0.092470914 = queryWeight, product of:
                1.5641936 = boost
                5.358293 = idf(docFreq=565, maxDocs=44218)
                0.011032862 = queryNorm
              0.33489332 = fieldWeight in 3466, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.358293 = idf(docFreq=565, maxDocs=44218)
                0.0625 = fieldNorm(doc=3466)
          0.035117004 = weight(abstract_txt:shown in 3466) [ClassicSimilarity], result of:
            0.035117004 = score(doc=3466,freq=1.0), product of:
              0.10055624 = queryWeight, product of:
                1.6311445 = boost
                5.58764 = idf(docFreq=449, maxDocs=44218)
                0.011032862 = queryNorm
              0.3492275 = fieldWeight in 3466, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.58764 = idf(docFreq=449, maxDocs=44218)
                0.0625 = fieldNorm(doc=3466)
          0.030073212 = weight(abstract_txt:they in 3466) [ClassicSimilarity], result of:
            0.030073212 = score(doc=3466,freq=2.0), product of:
              0.0906812 = queryWeight, product of:
                2.1905923 = boost
                3.7520406 = idf(docFreq=2820, maxDocs=44218)
                0.011032862 = queryNorm
              0.33163667 = fieldWeight in 3466, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.7520406 = idf(docFreq=2820, maxDocs=44218)
                0.0625 = fieldNorm(doc=3466)
          0.29475746 = weight(abstract_txt:laws in 3466) [ClassicSimilarity], result of:
            0.29475746 = score(doc=3466,freq=4.0), product of:
              0.32963294 = queryWeight, product of:
                4.176555 = boost
                7.1535926 = idf(docFreq=93, maxDocs=44218)
                0.011032862 = queryNorm
              0.8941991 = fieldWeight in 3466, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                7.1535926 = idf(docFreq=93, maxDocs=44218)
                0.0625 = fieldNorm(doc=3466)
          0.27071175 = weight(abstract_txt:informetric in 3466) [ClassicSimilarity], result of:
            0.27071175 = score(doc=3466,freq=2.0), product of:
              0.39240584 = queryWeight, product of:
                4.5569124 = boost
                7.805067 = idf(docFreq=48, maxDocs=44218)
                0.011032862 = queryNorm
              0.689877 = fieldWeight in 3466, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                7.805067 = idf(docFreq=48, maxDocs=44218)
                0.0625 = fieldNorm(doc=3466)
        0.32 = coord(8/25)
    
  2. Egghe, L.: Zipfian and Lotkaian continuous concentration theory (2005) 0.15
    0.14773865 = sum of:
      0.14773865 = product of:
        0.527638 = sum of:
          0.010114633 = weight(abstract_txt:such in 3678) [ClassicSimilarity], result of:
            0.010114633 = score(doc=3678,freq=1.0), product of:
              0.03779411 = queryWeight, product of:
                3.4255946 = idf(docFreq=3909, maxDocs=44218)
                0.011032862 = queryNorm
              0.2676246 = fieldWeight in 3678, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4255946 = idf(docFreq=3909, maxDocs=44218)
                0.078125 = fieldNorm(doc=3678)
          0.012518534 = weight(abstract_txt:some in 3678) [ClassicSimilarity], result of:
            0.012518534 = score(doc=3678,freq=1.0), product of:
              0.043567207 = queryWeight, product of:
                1.0736625 = boost
                3.6779325 = idf(docFreq=3037, maxDocs=44218)
                0.011032862 = queryNorm
              0.28733847 = fieldWeight in 3678, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.6779325 = idf(docFreq=3037, maxDocs=44218)
                0.078125 = fieldNorm(doc=3678)
          0.02681841 = weight(abstract_txt:same in 3678) [ClassicSimilarity], result of:
            0.02681841 = score(doc=3678,freq=1.0), product of:
              0.07240125 = queryWeight, product of:
                1.3840792 = boost
                4.7412944 = idf(docFreq=1048, maxDocs=44218)
                0.011032862 = queryNorm
              0.37041363 = fieldWeight in 3678, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.7412944 = idf(docFreq=1048, maxDocs=44218)
                0.078125 = fieldNorm(doc=3678)
          0.04389625 = weight(abstract_txt:shown in 3678) [ClassicSimilarity], result of:
            0.04389625 = score(doc=3678,freq=1.0), product of:
              0.10055624 = queryWeight, product of:
                1.6311445 = boost
                5.58764 = idf(docFreq=449, maxDocs=44218)
                0.011032862 = queryNorm
              0.43653435 = fieldWeight in 3678, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.58764 = idf(docFreq=449, maxDocs=44218)
                0.078125 = fieldNorm(doc=3678)
          0.08862465 = weight(abstract_txt:equivalent in 3678) [ClassicSimilarity], result of:
            0.08862465 = score(doc=3678,freq=1.0), product of:
              0.16063015 = queryWeight, product of:
                2.0615861 = boost
                7.062158 = idf(docFreq=102, maxDocs=44218)
                0.011032862 = queryNorm
              0.5517311 = fieldWeight in 3678, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.062158 = idf(docFreq=102, maxDocs=44218)
                0.078125 = fieldNorm(doc=3678)
          0.026581215 = weight(abstract_txt:they in 3678) [ClassicSimilarity], result of:
            0.026581215 = score(doc=3678,freq=1.0), product of:
              0.0906812 = queryWeight, product of:
                2.1905923 = boost
                3.7520406 = idf(docFreq=2820, maxDocs=44218)
                0.011032862 = queryNorm
              0.29312816 = fieldWeight in 3678, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.7520406 = idf(docFreq=2820, maxDocs=44218)
                0.078125 = fieldNorm(doc=3678)
          0.31908432 = weight(abstract_txt:laws in 3678) [ClassicSimilarity], result of:
            0.31908432 = score(doc=3678,freq=3.0), product of:
              0.32963294 = queryWeight, product of:
                4.176555 = boost
                7.1535926 = idf(docFreq=93, maxDocs=44218)
                0.011032862 = queryNorm
              0.96799886 = fieldWeight in 3678, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                7.1535926 = idf(docFreq=93, maxDocs=44218)
                0.078125 = fieldNorm(doc=3678)
        0.28 = coord(7/25)
    
  3. Egghe, L.: Untangling Herdan's law and Heaps' law : mathematical and informetric arguments (2007) 0.14
    0.14318967 = sum of:
      0.14318967 = product of:
        0.71594834 = sum of:
          0.021454727 = weight(abstract_txt:same in 271) [ClassicSimilarity], result of:
            0.021454727 = score(doc=271,freq=1.0), product of:
              0.07240125 = queryWeight, product of:
                1.3840792 = boost
                4.7412944 = idf(docFreq=1048, maxDocs=44218)
                0.011032862 = queryNorm
              0.2963309 = fieldWeight in 271, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.7412944 = idf(docFreq=1048, maxDocs=44218)
                0.0625 = fieldNorm(doc=271)
          0.035117004 = weight(abstract_txt:shown in 271) [ClassicSimilarity], result of:
            0.035117004 = score(doc=271,freq=1.0), product of:
              0.10055624 = queryWeight, product of:
                1.6311445 = boost
                5.58764 = idf(docFreq=449, maxDocs=44218)
                0.011032862 = queryNorm
              0.3492275 = fieldWeight in 271, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.58764 = idf(docFreq=449, maxDocs=44218)
                0.0625 = fieldNorm(doc=271)
          0.021264972 = weight(abstract_txt:they in 271) [ClassicSimilarity], result of:
            0.021264972 = score(doc=271,freq=1.0), product of:
              0.0906812 = queryWeight, product of:
                2.1905923 = boost
                3.7520406 = idf(docFreq=2820, maxDocs=44218)
                0.011032862 = queryNorm
              0.23450254 = fieldWeight in 271, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.7520406 = idf(docFreq=2820, maxDocs=44218)
                0.0625 = fieldNorm(doc=271)
          0.25526744 = weight(abstract_txt:laws in 271) [ClassicSimilarity], result of:
            0.25526744 = score(doc=271,freq=3.0), product of:
              0.32963294 = queryWeight, product of:
                4.176555 = boost
                7.1535926 = idf(docFreq=93, maxDocs=44218)
                0.011032862 = queryNorm
              0.7743991 = fieldWeight in 271, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                7.1535926 = idf(docFreq=93, maxDocs=44218)
                0.0625 = fieldNorm(doc=271)
          0.38284424 = weight(abstract_txt:informetric in 271) [ClassicSimilarity], result of:
            0.38284424 = score(doc=271,freq=4.0), product of:
              0.39240584 = queryWeight, product of:
                4.5569124 = boost
                7.805067 = idf(docFreq=48, maxDocs=44218)
                0.011032862 = queryNorm
              0.9756334 = fieldWeight in 271, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                7.805067 = idf(docFreq=48, maxDocs=44218)
                0.0625 = fieldNorm(doc=271)
        0.2 = coord(5/25)
    
  4. Thewall, M.; Wilkinson, D.: ¬Three target document range metrics for university Web sites (2003) 0.12
    0.12352326 = sum of:
      0.12352326 = product of:
        0.51468027 = sum of:
          0.021454727 = weight(abstract_txt:same in 5158) [ClassicSimilarity], result of:
            0.021454727 = score(doc=5158,freq=1.0), product of:
              0.07240125 = queryWeight, product of:
                1.3840792 = boost
                4.7412944 = idf(docFreq=1048, maxDocs=44218)
                0.011032862 = queryNorm
              0.2963309 = fieldWeight in 5158, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.7412944 = idf(docFreq=1048, maxDocs=44218)
                0.0625 = fieldNorm(doc=5158)
          0.030967891 = weight(abstract_txt:indicate in 5158) [ClassicSimilarity], result of:
            0.030967891 = score(doc=5158,freq=1.0), product of:
              0.092470914 = queryWeight, product of:
                1.5641936 = boost
                5.358293 = idf(docFreq=565, maxDocs=44218)
                0.011032862 = queryNorm
              0.33489332 = fieldWeight in 5158, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.358293 = idf(docFreq=565, maxDocs=44218)
                0.0625 = fieldNorm(doc=5158)
          0.030073212 = weight(abstract_txt:they in 5158) [ClassicSimilarity], result of:
            0.030073212 = score(doc=5158,freq=2.0), product of:
              0.0906812 = queryWeight, product of:
                2.1905923 = boost
                3.7520406 = idf(docFreq=2820, maxDocs=44218)
                0.011032862 = queryNorm
              0.33163667 = fieldWeight in 5158, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.7520406 = idf(docFreq=2820, maxDocs=44218)
                0.0625 = fieldNorm(doc=5158)
          0.17906532 = weight(abstract_txt:breeds in 5158) [ClassicSimilarity], result of:
            0.17906532 = score(doc=5158,freq=1.0), product of:
              0.29790083 = queryWeight, product of:
                2.807526 = boost
                9.617446 = idf(docFreq=7, maxDocs=44218)
                0.011032862 = queryNorm
              0.6010904 = fieldWeight in 5158, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.617446 = idf(docFreq=7, maxDocs=44218)
                0.0625 = fieldNorm(doc=5158)
          0.10574036 = weight(abstract_txt:success in 5158) [ClassicSimilarity], result of:
            0.10574036 = score(doc=5158,freq=2.0), product of:
              0.20968044 = queryWeight, product of:
                3.3310556 = boost
                5.705423 = idf(docFreq=399, maxDocs=44218)
                0.011032862 = queryNorm
              0.5042929 = fieldWeight in 5158, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.705423 = idf(docFreq=399, maxDocs=44218)
                0.0625 = fieldNorm(doc=5158)
          0.14737873 = weight(abstract_txt:laws in 5158) [ClassicSimilarity], result of:
            0.14737873 = score(doc=5158,freq=1.0), product of:
              0.32963294 = queryWeight, product of:
                4.176555 = boost
                7.1535926 = idf(docFreq=93, maxDocs=44218)
                0.011032862 = queryNorm
              0.44709954 = fieldWeight in 5158, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.1535926 = idf(docFreq=93, maxDocs=44218)
                0.0625 = fieldNorm(doc=5158)
        0.24 = coord(6/25)
    
  5. Rao, I.K.: ¬The distribution of scientific productivity and social change (1978) 0.09
    0.09184402 = sum of:
      0.09184402 = product of:
        0.57402515 = sum of:
          0.014160486 = weight(abstract_txt:such in 8) [ClassicSimilarity], result of:
            0.014160486 = score(doc=8,freq=1.0), product of:
              0.03779411 = queryWeight, product of:
                3.4255946 = idf(docFreq=3909, maxDocs=44218)
                0.011032862 = queryNorm
              0.3746744 = fieldWeight in 8, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4255946 = idf(docFreq=3909, maxDocs=44218)
                0.109375 = fieldNorm(doc=8)
          0.061454758 = weight(abstract_txt:shown in 8) [ClassicSimilarity], result of:
            0.061454758 = score(doc=8,freq=1.0), product of:
              0.10055624 = queryWeight, product of:
                1.6311445 = boost
                5.58764 = idf(docFreq=449, maxDocs=44218)
                0.011032862 = queryNorm
              0.6111481 = fieldWeight in 8, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.58764 = idf(docFreq=449, maxDocs=44218)
                0.109375 = fieldNorm(doc=8)
          0.3133643 = weight(abstract_txt:breeds in 8) [ClassicSimilarity], result of:
            0.3133643 = score(doc=8,freq=1.0), product of:
              0.29790083 = queryWeight, product of:
                2.807526 = boost
                9.617446 = idf(docFreq=7, maxDocs=44218)
                0.011032862 = queryNorm
              1.0519081 = fieldWeight in 8, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.617446 = idf(docFreq=7, maxDocs=44218)
                0.109375 = fieldNorm(doc=8)
          0.18504561 = weight(abstract_txt:success in 8) [ClassicSimilarity], result of:
            0.18504561 = score(doc=8,freq=2.0), product of:
              0.20968044 = queryWeight, product of:
                3.3310556 = boost
                5.705423 = idf(docFreq=399, maxDocs=44218)
                0.011032862 = queryNorm
              0.88251257 = fieldWeight in 8, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.705423 = idf(docFreq=399, maxDocs=44218)
                0.109375 = fieldNorm(doc=8)
        0.16 = coord(4/25)