Search (3 results, page 1 of 1)

  • × author_ss:"Costas, R."
  • × theme_ss:"Elektronisches Publizieren"
  1. 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
    0.009002609 = product of:
      0.018005218 = sum of:
        0.018005218 = product of:
          0.027007826 = sum of:
            0.0023745487 = weight(_text_:s in 4051) [ClassicSimilarity], result of:
              0.0023745487 = score(doc=4051,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.048049565 = fieldWeight in 4051, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.03125 = fieldNorm(doc=4051)
            0.024633277 = weight(_text_:22 in 4051) [ClassicSimilarity], result of:
              0.024633277 = score(doc=4051,freq=2.0), product of:
                0.15917034 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04545348 = 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)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    20. 1.2015 18:30:22
    Source
    Aslib journal of information management. 69(2017) no.5, S.557-575
  2. Zahedi, Z.; Costas, R.; Wouters, P.: Mendeley readership as a filtering tool to identify highly cited publications (2017) 0.00
    4.9469766E-4 = product of:
      9.893953E-4 = sum of:
        9.893953E-4 = product of:
          0.0029681858 = sum of:
            0.0029681858 = weight(_text_:s in 3837) [ClassicSimilarity], result of:
              0.0029681858 = score(doc=3837,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.060061958 = fieldWeight in 3837, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=3837)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the Association for Information Science and Technology. 68(2017) no.10, S.2511-2521
  3. Fang, Z.; Dudek, J.; Costas, R.: ¬The stability of Twitter metrics : a study on unavailable Twitter mentions of scientific publications (2020) 0.00
    4.9469766E-4 = product of:
      9.893953E-4 = sum of:
        9.893953E-4 = product of:
          0.0029681858 = sum of:
            0.0029681858 = weight(_text_:s in 35) [ClassicSimilarity], result of:
              0.0029681858 = score(doc=35,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.060061958 = fieldWeight in 35, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=35)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the Association for Information Science and Technology. 71(2020) no.12, S.1455-1469