Search (3 results, page 1 of 1)

  • × author_ss:"Raan, A.F.J. van"
  • × year_i:[2000 TO 2010}
  1. Raan, A.F.J. van: Scaling rules in the science system : influence of field-specific citation characteristics on the impact of research groups (2008) 0.13 
    0.13266876 = product of:
  0.26533753 = sum of:
    0.26533753 = sum of:
      0.22605981 = weight(_text_:740 in 2758) [ClassicSimilarity], result of:
        0.22605981 = score(doc=2758,freq=2.0), product of:
          0.40591347 = queryWeight, product of:
            8.401051 = idf(docFreq=26, maxDocs=44218)
            0.04831699 = queryNorm
          0.55691624 = fieldWeight in 2758, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            8.401051 = idf(docFreq=26, maxDocs=44218)
            0.046875 = fieldNorm(doc=2758)
      0.039277706 = weight(_text_:22 in 2758) [ClassicSimilarity], result of:
        0.039277706 = score(doc=2758,freq=2.0), product of:
          0.16919786 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.04831699 = queryNorm
          0.23214069 = fieldWeight in 2758, 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=2758)
  0.5 = coord(1/2)
    Date
    22. 3.2009 19:03:12
    Footnote
    Vgl. auch: Costas, R., M. Bordons u. T.N. van Leeuwen u.a.: Scaling rules in the science system: Influence of field-specific citation characteristics on the impact of individual researchers. In: Journal of the American Society for Information Science and Technology. 60(2009) no.4, S.740-753.
  2. Costas, R.; Bordons, M.; Leeuwen, T.N. van; Raan, A.F.J. van: Scaling rules in the science system : Influence of field-specific citation characteristics on the impact of individual researchers (2009) 0.11 
    0.110557295 = product of:
  0.22111459 = sum of:
    0.22111459 = sum of:
      0.18838316 = weight(_text_:740 in 2759) [ClassicSimilarity], result of:
        0.18838316 = score(doc=2759,freq=2.0), product of:
          0.40591347 = queryWeight, product of:
            8.401051 = idf(docFreq=26, maxDocs=44218)
            0.04831699 = queryNorm
          0.46409684 = fieldWeight in 2759, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            8.401051 = idf(docFreq=26, maxDocs=44218)
            0.0390625 = fieldNorm(doc=2759)
      0.032731425 = weight(_text_:22 in 2759) [ClassicSimilarity], result of:
        0.032731425 = score(doc=2759,freq=2.0), product of:
          0.16919786 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.04831699 = queryNorm
          0.19345059 = fieldWeight in 2759, 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=2759)
  0.5 = coord(1/2)
    Date
    22. 3.2009 19:02:48
    Source
    Journal of the American Society for Information Science and Technology. 60(2009) no.4, S.740-753
  3. Raan, A.F.J. van: Statistical properties of bibliometric indicators : research group indicator distributions and correlations (2006) 0.01 
    0.013886767 = product of:
  0.027773535 = sum of:
    0.027773535 = product of:
      0.05554707 = sum of:
        0.05554707 = weight(_text_:22 in 5275) [ClassicSimilarity], result of:
          0.05554707 = score(doc=5275,freq=4.0), product of:
            0.16919786 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04831699 = queryNorm
            0.32829654 = fieldWeight in 5275, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.046875 = fieldNorm(doc=5275)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Date
    22. 7.2006 16:20:22

Authors