Search (4 results, page 1 of 1)

  • × author_ss:"Raan, A.F.J. van"
  • × theme_ss:"Informetrie"
  1. Raan, A.F.J. van: Statistical properties of bibliometric indicators : research group indicator distributions and correlations (2006) 0.01 
    0.0130772535 = product of:
  0.026154507 = sum of:
    0.026154507 = product of:
      0.052309014 = sum of:
        0.052309014 = weight(_text_:22 in 5275) [ClassicSimilarity], result of:
          0.052309014 = score(doc=5275,freq=4.0), product of:
            0.15933464 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045500398 = 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
  2. Raan, A.F.J. van: Scaling rules in the science system : influence of field-specific citation characteristics on the impact of research groups (2008) 0.01 
    0.009247013 = product of:
  0.018494027 = sum of:
    0.018494027 = product of:
      0.036988053 = sum of:
        0.036988053 = weight(_text_:22 in 2758) [ClassicSimilarity], result of:
          0.036988053 = score(doc=2758,freq=2.0), product of:
            0.15933464 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045500398 = 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)
  0.5 = coord(1/2)
    Date
    22. 3.2009 19:03:12
  3. Waltman, L.; Calero-Medina, C.; Kosten, J.; Noyons, E.C.M.; Tijssen, R.J.W.; Eck, N.J. van; Leeuwen, T.N. van; Raan, A.F.J. van; Visser, M.S.; Wouters, P.: ¬The Leiden ranking 2011/2012 : data collection, indicators, and interpretation (2012) 0.01 
    0.008123662 = product of:
  0.016247325 = sum of:
    0.016247325 = product of:
      0.03249465 = sum of:
        0.03249465 = weight(_text_:p in 514) [ClassicSimilarity], result of:
          0.03249465 = score(doc=514,freq=2.0), product of:
            0.16359726 = queryWeight, product of:
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.045500398 = queryNorm
            0.19862589 = fieldWeight in 514, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.0390625 = fieldNorm(doc=514)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  4. 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) 0.01 
    0.007705845 = product of:
  0.01541169 = sum of:
    0.01541169 = product of:
      0.03082338 = sum of:
        0.03082338 = weight(_text_:22 in 2759) [ClassicSimilarity], result of:
          0.03082338 = score(doc=2759,freq=2.0), product of:
            0.15933464 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045500398 = 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)
  0.5 = coord(1/2)
    Date
    22. 3.2009 19:02:48

Authors

Years