Search (15 results, page 1 of 1)

  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) 8.92
    8.924298 = weight(author_ss:Costas, R. in 2759) [ClassicSimilarity], result of:
      8.924298 = fieldWeight in 2759, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        8.924298 = idf(docFreq=15, maxDocs=44218)
        1.0 = fieldNorm(doc=2759)
    
    Author
    Costas, R.
  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) 8.92
    8.924298 = weight(author_ss:Costas, R. in 3333) [ClassicSimilarity], result of:
      8.924298 = fieldWeight in 3333, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        8.924298 = idf(docFreq=15, maxDocs=44218)
        1.0 = fieldNorm(doc=3333)
    
    Author
    Costas, R.
  3. Costas, R.; Leeuwen, T.N. van; Bordons, M.: ¬A bibliometric classificatory approach for the study and assessment of research performance at the individual level : the effects of age on productivity and impact (2010) 8.92
    8.924298 = weight(author_ss:Costas, R. in 3700) [ClassicSimilarity], result of:
      8.924298 = fieldWeight in 3700, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        8.924298 = idf(docFreq=15, maxDocs=44218)
        1.0 = fieldNorm(doc=3700)
    
    Author
    Costas, R.
  4. Costas, R.; Leeuwen, T.N. van: Approaching the "reward triangle" : general analysis of the presence of funding acknowledgments and "peer interactive communication" in scientific publications (2012) 8.92
    8.924298 = weight(author_ss:Costas, R. in 363) [ClassicSimilarity], result of:
      8.924298 = fieldWeight in 363, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        8.924298 = idf(docFreq=15, maxDocs=44218)
        1.0 = fieldNorm(doc=363)
    
    Author
    Costas, R.
  5. Costas, R.; Leeuwen, T.N. van; Bordons, M.: Referencing patterns of individual researchers : do top scientists rely on more extensive information sources? (2012) 8.92
    8.924298 = weight(author_ss:Costas, R. in 516) [ClassicSimilarity], result of:
      8.924298 = fieldWeight in 516, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        8.924298 = idf(docFreq=15, maxDocs=44218)
        1.0 = fieldNorm(doc=516)
    
    Author
    Costas, R.
  6. Waltman, L.; Costas, R.: F1000 Recommendations as a potential new data source for research evaluation : a comparison with citations (2014) 8.92
    8.924298 = weight(author_ss:Costas, R. in 1212) [ClassicSimilarity], result of:
      8.924298 = fieldWeight in 1212, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        8.924298 = idf(docFreq=15, maxDocs=44218)
        1.0 = fieldNorm(doc=1212)
    
    Author
    Costas, R.
  7. Costas, R.; Zahedi, Z.; Wouters, P.: Do "altmetrics" correlate with citations? : extensive comparison of altmetric indicators with citations from a multidisciplinary perspective (2015) 8.92
    8.924298 = weight(author_ss:Costas, R. in 2214) [ClassicSimilarity], result of:
      8.924298 = fieldWeight in 2214, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        8.924298 = idf(docFreq=15, maxDocs=44218)
        1.0 = fieldNorm(doc=2214)
    
    Author
    Costas, R.
  8. 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) 8.92
    8.924298 = weight(author_ss:Costas, R. in 2598) [ClassicSimilarity], result of:
      8.924298 = fieldWeight in 2598, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        8.924298 = idf(docFreq=15, maxDocs=44218)
        1.0 = fieldNorm(doc=2598)
    
    Author
    Costas, R.
  9. Schneider, J.W.; Costas, R.: Identifying potential "breakthrough" publications using refined citation analyses : three related explorative approaches (2017) 8.92
    8.924298 = weight(author_ss:Costas, R. in 3436) [ClassicSimilarity], result of:
      8.924298 = fieldWeight in 3436, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        8.924298 = idf(docFreq=15, maxDocs=44218)
        1.0 = fieldNorm(doc=3436)
    
    Author
    Costas, R.
  10. Zahedi, Z.; Costas, R.; Wouters, P.: Mendeley readership as a filtering tool to identify highly cited publications (2017) 8.92
    8.924298 = weight(author_ss:Costas, R. in 3837) [ClassicSimilarity], result of:
      8.924298 = fieldWeight in 3837, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        8.924298 = idf(docFreq=15, maxDocs=44218)
        1.0 = fieldNorm(doc=3837)
    
    Author
    Costas, R.
  11. Costas, R.; Perianes-Rodríguez, A.; Ruiz-Castillo, J.: On the quest for currencies of science : field "exchange rates" for citations and Mendeley readership (2017) 8.92
    8.924298 = weight(author_ss:Costas, R. in 4051) [ClassicSimilarity], result of:
      8.924298 = fieldWeight in 4051, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        8.924298 = idf(docFreq=15, maxDocs=44218)
        1.0 = fieldNorm(doc=4051)
    
    Author
    Costas, R.
  12. Fang, Z.; Dudek, J.; Costas, R.: ¬The stability of Twitter metrics : a study on unavailable Twitter mentions of scientific publications (2020) 8.92
    8.924298 = weight(author_ss:Costas, R. in 35) [ClassicSimilarity], result of:
      8.924298 = fieldWeight in 35, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        8.924298 = idf(docFreq=15, maxDocs=44218)
        1.0 = fieldNorm(doc=35)
    
    Author
    Costas, R.
  13. Costas, R.; Rijcke, S. de; Marres, N.: "Heterogeneous couplings" : operationalizing network perspectives to study science-society interactions through social media metrics (2021) 8.92
    8.924298 = weight(author_ss:Costas, R. in 215) [ClassicSimilarity], result of:
      8.924298 = fieldWeight in 215, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        8.924298 = idf(docFreq=15, maxDocs=44218)
        1.0 = fieldNorm(doc=215)
    
    Author
    Costas, R.
  14. Fang, Z.; Costas, R.; Tian, W.; Wang, X.; Wouters, P.: How is science clicked on Twitter? : click metrics for Bitly short links to scientific publications (2021) 8.92
    8.924298 = weight(author_ss:Costas, R. in 265) [ClassicSimilarity], result of:
      8.924298 = fieldWeight in 265, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        8.924298 = idf(docFreq=15, maxDocs=44218)
        1.0 = fieldNorm(doc=265)
    
    Author
    Costas, R.
  15. Fang, Z.; Dudek, J.; Costas, R.: Facing the volatility of tweets in altmetric research (2022) 8.92
    8.924298 = weight(author_ss:Costas, R. in 605) [ClassicSimilarity], result of:
      8.924298 = fieldWeight in 605, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        8.924298 = idf(docFreq=15, maxDocs=44218)
        1.0 = fieldNorm(doc=605)
    
    Author
    Costas, R.