Search (12 results, page 1 of 1)

  • × author_ss:"Egghe, L."
  • × author_ss:"Rousseau, R."
  • × theme_ss:"Informetrie"
  1. Egghe, L.; Rousseau, R.: Averaging and globalising quotients of informetric and scientometric data (1996) 0.02
    0.0205279 = product of:
      0.0410558 = sum of:
        0.0410558 = sum of:
          0.003609657 = weight(_text_:s in 7659) [ClassicSimilarity], result of:
            0.003609657 = score(doc=7659,freq=2.0), product of:
              0.05008241 = queryWeight, product of:
                1.0872376 = idf(docFreq=40523, maxDocs=44218)
                0.046063907 = queryNorm
              0.072074346 = fieldWeight in 7659, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                1.0872376 = idf(docFreq=40523, maxDocs=44218)
                0.046875 = fieldNorm(doc=7659)
          0.03744614 = weight(_text_:22 in 7659) [ClassicSimilarity], result of:
            0.03744614 = score(doc=7659,freq=2.0), product of:
              0.16130796 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.046063907 = queryNorm
              0.23214069 = fieldWeight in 7659, 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=7659)
      0.5 = coord(1/2)
    
    Source
    Journal of information science. 22(1996) no.3, S.165-170
  2. Egghe, L.; Rousseau, R.; Rousseau, S.: TOP-curves (2007) 0.00
    0.0014889077 = product of:
      0.0029778155 = sum of:
        0.0029778155 = product of:
          0.005955631 = sum of:
            0.005955631 = weight(_text_:s in 50) [ClassicSimilarity], result of:
              0.005955631 = score(doc=50,freq=4.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.118916616 = fieldWeight in 50, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=50)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and Technology. 58(2007) no.6, S.777-785
  3. Egghe, L.; Guns, R.; Rousseau, R.: Thoughts on uncitedness : Nobel laureates and Fields medalists as case studies (2011) 0.00
    0.0012762066 = product of:
      0.0025524131 = sum of:
        0.0025524131 = product of:
          0.0051048263 = sum of:
            0.0051048263 = weight(_text_:s in 4994) [ClassicSimilarity], result of:
              0.0051048263 = score(doc=4994,freq=4.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.101928525 = fieldWeight in 4994, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046875 = fieldNorm(doc=4994)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Footnote
    Vgl.: Erratum. In: Journal of the American Society for Information Science and Technology. 63(2012) no.2, S.429.
    Source
    Journal of the American Society for Information Science and Technology. 62(2011) no.8, S.1637-1644
  4. Egghe, L.; Rousseau, R.: Duality in information retrieval and the hypegeometric distribution (1997) 0.00
    0.001203219 = product of:
      0.002406438 = sum of:
        0.002406438 = product of:
          0.004812876 = sum of:
            0.004812876 = weight(_text_:s in 647) [ClassicSimilarity], result of:
              0.004812876 = score(doc=647,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.09609913 = fieldWeight in 647, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0625 = fieldNorm(doc=647)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of documentation. 53(1997) no.5, S.499-496
  5. Egghe, L.; Rousseau, R.: ¬The influence of publication delays on the observed aging distribution of scientific literature (2000) 0.00
    0.001203219 = product of:
      0.002406438 = sum of:
        0.002406438 = product of:
          0.004812876 = sum of:
            0.004812876 = weight(_text_:s in 4385) [ClassicSimilarity], result of:
              0.004812876 = score(doc=4385,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.09609913 = fieldWeight in 4385, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0625 = fieldNorm(doc=4385)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science. 51(2000) no.2, S.158-165
  6. Egghe, L.; Liang, L.; Rousseau, R.: ¬A relation between h-index and impact factor in the power-law model (2009) 0.00
    0.001203219 = product of:
      0.002406438 = sum of:
        0.002406438 = product of:
          0.004812876 = sum of:
            0.004812876 = weight(_text_:s in 6759) [ClassicSimilarity], result of:
              0.004812876 = score(doc=6759,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.09609913 = fieldWeight in 6759, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0625 = fieldNorm(doc=6759)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and Technology. 60(2009) no.11, S.2362-2365
  7. Rousseau, R.; Egghe, L.; Guns, R.: Becoming metric-wise : a bibliometric guide for researchers (2018) 0.00
    0.0010635054 = product of:
      0.0021270108 = sum of:
        0.0021270108 = product of:
          0.0042540217 = sum of:
            0.0042540217 = weight(_text_:s in 5226) [ClassicSimilarity], result of:
              0.0042540217 = score(doc=5226,freq=4.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.08494043 = fieldWeight in 5226, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=5226)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Footnote
    Rez. in: JASIST 70(2019) no.5, S.530-532 (I. Dorsch)
    Pages
    xv, 385 S
  8. Egghe, L.; Rousseau, R.: Introduction to informetrics : quantitative methods in library, documentation and information science (1990) 0.00
    0.0010528166 = product of:
      0.0021056333 = sum of:
        0.0021056333 = product of:
          0.0042112665 = sum of:
            0.0042112665 = weight(_text_:s in 1515) [ClassicSimilarity], result of:
              0.0042112665 = score(doc=1515,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.08408674 = fieldWeight in 1515, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=1515)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Pages
    XI,450 S
  9. Egghe, L.; Liang, L.; Rousseau, R.: Fundamental properties of rhythm sequences (2008) 0.00
    0.0010528166 = product of:
      0.0021056333 = sum of:
        0.0021056333 = product of:
          0.0042112665 = sum of:
            0.0042112665 = weight(_text_:s in 1965) [ClassicSimilarity], result of:
              0.0042112665 = score(doc=1965,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.08408674 = fieldWeight in 1965, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=1965)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and Technology. 59(2008) no.9, S.1469-1478
  10. Egghe, L.; Rousseau, R.: ¬The Hirsch index of a shifted Lotka function and its relation with the impact factor (2012) 0.00
    0.0010528166 = product of:
      0.0021056333 = sum of:
        0.0021056333 = product of:
          0.0042112665 = sum of:
            0.0042112665 = weight(_text_:s in 243) [ClassicSimilarity], result of:
              0.0042112665 = score(doc=243,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.08408674 = fieldWeight in 243, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=243)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and Technology. 63(2012) no.5, S.1048-1053
  11. Egghe, L.; Rousseau, R.; Hooydonk, G. van: Methods for accrediting publications to authors or countries : consequences for evaluation studies (2000) 0.00
    9.0241426E-4 = product of:
      0.0018048285 = sum of:
        0.0018048285 = product of:
          0.003609657 = sum of:
            0.003609657 = weight(_text_:s in 4384) [ClassicSimilarity], result of:
              0.003609657 = score(doc=4384,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.072074346 = fieldWeight in 4384, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046875 = fieldNorm(doc=4384)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science. 51(2000) no.2, S.145-157
  12. Egghe, L.; Rousseau, R.: Aging, obsolescence, impact, growth, and utilization : definitions and relations (2000) 0.00
    9.0241426E-4 = product of:
      0.0018048285 = sum of:
        0.0018048285 = product of:
          0.003609657 = sum of:
            0.003609657 = weight(_text_:s in 5154) [ClassicSimilarity], result of:
              0.003609657 = score(doc=5154,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.072074346 = fieldWeight in 5154, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046875 = fieldNorm(doc=5154)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science. 51(2000) no.11, S.1004-1017