Search (3 results, page 1 of 1)

  • × author_ss:"Costas, R."
  • × theme_ss:"Informetrie"
  1. 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 
    0.0077603008 = product of:
  0.0155206015 = sum of:
    0.0155206015 = product of:
      0.031041203 = sum of:
        0.031041203 = weight(_text_:22 in 2759) [ClassicSimilarity], result of:
          0.031041203 = score(doc=2759,freq=2.0), product of:
            0.16046064 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045821942 = 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
  2. Costas, R.; Zahedi, Z.; Wouters, P.: ¬The thematic orientation of publications mentioned on social media : large-scale disciplinary comparison of social media metrics with citations (2015) 0.01 
    0.0077603008 = product of:
  0.0155206015 = sum of:
    0.0155206015 = product of:
      0.031041203 = sum of:
        0.031041203 = weight(_text_:22 in 2598) [ClassicSimilarity], result of:
          0.031041203 = score(doc=2598,freq=2.0), product of:
            0.16046064 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045821942 = queryNorm
            0.19345059 = fieldWeight in 2598, 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=2598)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Date
    20. 1.2015 18:30:22
  3. Costas, R.; Perianes-Rodríguez, A.; Ruiz-Castillo, J.: On the quest for currencies of science : field "exchange rates" for citations and Mendeley readership (2017) 0.01 
    0.0062082405 = product of:
  0.012416481 = sum of:
    0.012416481 = product of:
      0.024832962 = sum of:
        0.024832962 = weight(_text_:22 in 4051) [ClassicSimilarity], result of:
          0.024832962 = score(doc=4051,freq=2.0), product of:
            0.16046064 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045821942 = queryNorm
            0.15476047 = fieldWeight in 4051, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.03125 = fieldNorm(doc=4051)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Date
    20. 1.2015 18:30:22

Authors

Years