Search (10 results, page 1 of 1)

  • × author_ss:"Costas, R."
  • × year_i:[2010 TO 2020}
  1. Schneider, J.W.; Costas, R.: Identifying potential "breakthrough" publications using refined citation analyses : three related explorative approaches (2017) 0.00 
    0.0037558496 = product of:
  0.011267548 = sum of:
    0.0037603125 = weight(_text_:e in 3436) [ClassicSimilarity], result of:
      0.0037603125 = score(doc=3436,freq=2.0), product of:
        0.047356583 = queryWeight, product of:
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.03294669 = queryNorm
        0.07940422 = fieldWeight in 3436, 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=3436)
    0.007507236 = product of:
      0.022521708 = sum of:
        0.022521708 = weight(_text_:29 in 3436) [ClassicSimilarity], result of:
          0.022521708 = score(doc=3436,freq=2.0), product of:
            0.11589616 = queryWeight, product of:
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.03294669 = queryNorm
            0.19432661 = fieldWeight in 3436, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.0390625 = fieldNorm(doc=3436)
      0.33333334 = coord(1/3)
  0.33333334 = coord(2/6)
    Date
    16.11.2017 13:29:02
    Language
    e
  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) 0.00 
    0.0037333388 = product of:
  0.011200016 = sum of:
    0.0037603125 = weight(_text_:e in 2598) [ClassicSimilarity], result of:
      0.0037603125 = score(doc=2598,freq=2.0), product of:
        0.047356583 = queryWeight, product of:
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.03294669 = queryNorm
        0.07940422 = fieldWeight in 2598, 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=2598)
    0.0074397037 = product of:
      0.02231911 = sum of:
        0.02231911 = weight(_text_:22 in 2598) [ClassicSimilarity], result of:
          0.02231911 = score(doc=2598,freq=2.0), product of:
            0.1153737 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.03294669 = 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)
      0.33333334 = coord(1/3)
  0.33333334 = coord(2/6)
    Date
    20. 1.2015 18:30:22
    Language
    e
  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) 0.00 
    0.0029866712 = product of:
  0.008960013 = sum of:
    0.00300825 = weight(_text_:e in 4051) [ClassicSimilarity], result of:
      0.00300825 = score(doc=4051,freq=2.0), product of:
        0.047356583 = queryWeight, product of:
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.03294669 = queryNorm
        0.063523374 = fieldWeight in 4051, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.03125 = fieldNorm(doc=4051)
    0.005951763 = product of:
      0.017855288 = sum of:
        0.017855288 = weight(_text_:22 in 4051) [ClassicSimilarity], result of:
          0.017855288 = score(doc=4051,freq=2.0), product of:
            0.1153737 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.03294669 = 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)
      0.33333334 = coord(1/3)
  0.33333334 = coord(2/6)
    Date
    20. 1.2015 18:30:22
    Language
    e
  4. 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) 0.00 
    7.520625E-4 = product of:
  0.0045123748 = sum of:
    0.0045123748 = weight(_text_:e in 3700) [ClassicSimilarity], result of:
      0.0045123748 = score(doc=3700,freq=2.0), product of:
        0.047356583 = queryWeight, product of:
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.03294669 = queryNorm
        0.09528506 = fieldWeight in 3700, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.046875 = fieldNorm(doc=3700)
  0.16666667 = coord(1/6)
    Language
    e
  5. Waltman, L.; Costas, R.: F1000 Recommendations as a potential new data source for research evaluation : a comparison with citations (2014) 0.00 
    7.520625E-4 = product of:
  0.0045123748 = sum of:
    0.0045123748 = weight(_text_:e in 1212) [ClassicSimilarity], result of:
      0.0045123748 = score(doc=1212,freq=2.0), product of:
        0.047356583 = queryWeight, product of:
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.03294669 = queryNorm
        0.09528506 = fieldWeight in 1212, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.046875 = fieldNorm(doc=1212)
  0.16666667 = coord(1/6)
    Language
    e
  6. 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 
    6.2671874E-4 = product of:
  0.0037603125 = sum of:
    0.0037603125 = weight(_text_:e in 3333) [ClassicSimilarity], result of:
      0.0037603125 = score(doc=3333,freq=2.0), product of:
        0.047356583 = queryWeight, product of:
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.03294669 = 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)
  0.16666667 = coord(1/6)
    Language
    e
  7. 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) 0.00 
    6.2671874E-4 = product of:
  0.0037603125 = sum of:
    0.0037603125 = weight(_text_:e in 363) [ClassicSimilarity], result of:
      0.0037603125 = score(doc=363,freq=2.0), product of:
        0.047356583 = queryWeight, product of:
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.03294669 = queryNorm
        0.07940422 = fieldWeight in 363, 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=363)
  0.16666667 = coord(1/6)
    Language
    e
  8. Costas, R.; Leeuwen, T.N. van; Bordons, M.: Referencing patterns of individual researchers : do top scientists rely on more extensive information sources? (2012) 0.00 
    6.2671874E-4 = product of:
  0.0037603125 = sum of:
    0.0037603125 = weight(_text_:e in 516) [ClassicSimilarity], result of:
      0.0037603125 = score(doc=516,freq=2.0), product of:
        0.047356583 = queryWeight, product of:
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.03294669 = queryNorm
        0.07940422 = fieldWeight in 516, 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=516)
  0.16666667 = coord(1/6)
    Language
    e
  9. Costas, R.; Zahedi, Z.; Wouters, P.: Do "altmetrics" correlate with citations? : extensive comparison of altmetric indicators with citations from a multidisciplinary perspective (2015) 0.00 
    6.2671874E-4 = product of:
  0.0037603125 = sum of:
    0.0037603125 = weight(_text_:e in 2214) [ClassicSimilarity], result of:
      0.0037603125 = score(doc=2214,freq=2.0), product of:
        0.047356583 = queryWeight, product of:
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.03294669 = queryNorm
        0.07940422 = fieldWeight in 2214, 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=2214)
  0.16666667 = coord(1/6)
    Language
    e
  10. Zahedi, Z.; Costas, R.; Wouters, P.: Mendeley readership as a filtering tool to identify highly cited publications (2017) 0.00 
    6.2671874E-4 = product of:
  0.0037603125 = sum of:
    0.0037603125 = weight(_text_:e in 3837) [ClassicSimilarity], result of:
      0.0037603125 = score(doc=3837,freq=2.0), product of:
        0.047356583 = queryWeight, product of:
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.03294669 = queryNorm
        0.07940422 = fieldWeight in 3837, 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=3837)
  0.16666667 = coord(1/6)
    Language
    e

Authors

Themes