Search (3 results, page 1 of 1)

  • × author_ss:"Raan, A.F.J. van"
  • × theme_ss:"Informetrie"
  • × year_i:[2010 TO 2020}
  1. 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
    0.010198509 = product of:
      0.020397019 = sum of:
        0.020397019 = product of:
          0.030595526 = sum of:
            0.005197226 = weight(_text_:e in 514) [ClassicSimilarity], result of:
              0.005197226 = score(doc=514,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.07940422 = fieldWeight in 514, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=514)
            0.0253983 = weight(_text_:j in 514) [ClassicSimilarity], result of:
              0.0253983 = score(doc=514,freq=2.0), product of:
                0.144692 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.04553648 = queryNorm
                0.17553353 = fieldWeight in 514, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=514)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Language
    e
  2. Waltman, L.; Eck, N.J. van; Raan, A.F.J. van: Universality of citation distributions revisited (2012) 0.00
    0.0012126861 = product of:
      0.0024253721 = sum of:
        0.0024253721 = product of:
          0.0072761164 = sum of:
            0.0072761164 = weight(_text_:e in 4963) [ClassicSimilarity], result of:
              0.0072761164 = score(doc=4963,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.1111659 = fieldWeight in 4963, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=4963)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    e
  3. Costas, R.; Leeuwen, T.N. van; Raan, A.F.J. van: Is scientific literature subject to a 'Sell-By-Date'? : a general methodology to analyze the 'durability' of scientific documents (2010) 0.00
    8.662044E-4 = product of:
      0.0017324088 = sum of:
        0.0017324088 = product of:
          0.005197226 = sum of:
            0.005197226 = weight(_text_:e in 3333) [ClassicSimilarity], result of:
              0.005197226 = score(doc=3333,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.07940422 = fieldWeight in 3333, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=3333)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    e