Search (3 results, page 1 of 1)

  • × author_ss:"Raan, A.F.J. van"
  • × type_ss:"a"
  • × year_i:[2010 TO 2020}
  1. Waltman, L.; Eck, N.J. van; Raan, A.F.J. van: Universality of citation distributions revisited (2012) 0.01 
    0.008957415 = product of:
  0.01791483 = sum of:
    0.01791483 = product of:
      0.03582966 = sum of:
        0.03582966 = weight(_text_:technology in 4963) [ClassicSimilarity], result of:
          0.03582966 = score(doc=4963,freq=2.0), product of:
            0.15554588 = queryWeight, product of:
              2.978387 = idf(docFreq=6114, maxDocs=44218)
              0.052224867 = queryNorm
            0.23034787 = fieldWeight in 4963, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.978387 = idf(docFreq=6114, maxDocs=44218)
              0.0546875 = fieldNorm(doc=4963)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Journal of the American Society for Information Science and Technology. 63(2012) no.1, S.72-77
  2. 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) 0.01 
    0.0063981535 = product of:
  0.012796307 = sum of:
    0.012796307 = product of:
      0.025592614 = sum of:
        0.025592614 = weight(_text_:technology in 3333) [ClassicSimilarity], result of:
          0.025592614 = score(doc=3333,freq=2.0), product of:
            0.15554588 = queryWeight, product of:
              2.978387 = idf(docFreq=6114, maxDocs=44218)
              0.052224867 = queryNorm
            0.16453418 = fieldWeight in 3333, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.978387 = idf(docFreq=6114, maxDocs=44218)
              0.0390625 = fieldNorm(doc=3333)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Journal of the American Society for Information Science and Technology. 61(2010) no.2, S.329-339
  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 
    0.0063981535 = product of:
  0.012796307 = sum of:
    0.012796307 = product of:
      0.025592614 = sum of:
        0.025592614 = weight(_text_:technology in 514) [ClassicSimilarity], result of:
          0.025592614 = score(doc=514,freq=2.0), product of:
            0.15554588 = queryWeight, product of:
              2.978387 = idf(docFreq=6114, maxDocs=44218)
              0.052224867 = queryNorm
            0.16453418 = fieldWeight in 514, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.978387 = idf(docFreq=6114, maxDocs=44218)
              0.0390625 = fieldNorm(doc=514)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Journal of the American Society for Information Science and Technology. 63(2012) no.12, S.2405-2418

Authors