Search (9 results, page 1 of 1)

  • × author_ss:"Schreiber, M."
  • × theme_ss:"Informetrie"
  1. Schreiber, M.: Revisiting the g-index : the average number of citations in the g-core (2009) 0.01
    0.012553803 = product of:
      0.018830704 = sum of:
        0.0041945297 = weight(_text_:s in 3313) [ClassicSimilarity], result of:
          0.0041945297 = score(doc=3313,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.09609913 = fieldWeight in 3313, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0625 = fieldNorm(doc=3313)
        0.014636174 = product of:
          0.04390852 = sum of:
            0.04390852 = weight(_text_:29 in 3313) [ClassicSimilarity], result of:
              0.04390852 = score(doc=3313,freq=2.0), product of:
                0.14122012 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.04014573 = queryNorm
                0.31092256 = fieldWeight in 3313, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0625 = fieldNorm(doc=3313)
          0.33333334 = coord(1/3)
      0.6666667 = coord(2/3)
    
    Date
    4. 2.2010 20:56:29
    Source
    Journal of the American Society for Information Science and Technology. 61(2010) no.1, S.169-174
  2. Schreiber, M.: Inconsistencies in the highly cited publications indicator (2013) 0.00
    0.0013981767 = product of:
      0.0041945297 = sum of:
        0.0041945297 = weight(_text_:s in 815) [ClassicSimilarity], result of:
          0.0041945297 = score(doc=815,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.09609913 = fieldWeight in 815, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0625 = fieldNorm(doc=815)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science and Technology. 64(2013) no.6, S.1298-1302
  3. Schreiber, M.: Do we need the g-index? (2013) 0.00
    0.0013981767 = product of:
      0.0041945297 = sum of:
        0.0041945297 = weight(_text_:s in 1113) [ClassicSimilarity], result of:
          0.0041945297 = score(doc=1113,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.09609913 = fieldWeight in 1113, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0625 = fieldNorm(doc=1113)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science and Technology. 64(2013) no.11, S.2396-2399
  4. Schreiber, M.: ¬A case study of the modified Hirsch index hm accounting for multiple coauthors (2009) 0.00
    0.0012234044 = product of:
      0.0036702133 = sum of:
        0.0036702133 = weight(_text_:s in 2858) [ClassicSimilarity], result of:
          0.0036702133 = score(doc=2858,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.08408674 = fieldWeight in 2858, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0546875 = fieldNorm(doc=2858)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science and Technology. 60(2009) no.6, S.1274-1282
  5. Schreiber, M.: ¬A variant of the h-index to measure recent performance (2015) 0.00
    0.0012234044 = product of:
      0.0036702133 = sum of:
        0.0036702133 = weight(_text_:s in 2262) [ClassicSimilarity], result of:
          0.0036702133 = score(doc=2262,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.08408674 = fieldWeight in 2262, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0546875 = fieldNorm(doc=2262)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the Association for Information Science and Technology. 66(2015) no.11, S.2373-2380
  6. Schreiber, M.: Fractionalized counting of publications for the g-Index (2009) 0.00
    0.0010486324 = product of:
      0.003145897 = sum of:
        0.003145897 = weight(_text_:s in 3125) [ClassicSimilarity], result of:
          0.003145897 = score(doc=3125,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.072074346 = fieldWeight in 3125, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046875 = fieldNorm(doc=3125)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science and Technology. 60(2009) no.10, S.2145-2150
  7. Waltman, L.; Schreiber, M.: On the calculation of percentile-based bibliometric indicators (2013) 0.00
    0.0010486324 = product of:
      0.003145897 = sum of:
        0.003145897 = weight(_text_:s in 616) [ClassicSimilarity], result of:
          0.003145897 = score(doc=616,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.072074346 = fieldWeight in 616, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046875 = fieldNorm(doc=616)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science and Technology. 64(2013) no.2, S.372-379
  8. Schreiber, M.: ¬An empirical investigation of the g-index for 26 physicists in comparison with the h-index, the A-index, and the R-index (2008) 0.00
    8.738604E-4 = product of:
      0.002621581 = sum of:
        0.002621581 = weight(_text_:s in 1968) [ClassicSimilarity], result of:
          0.002621581 = score(doc=1968,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.060061958 = fieldWeight in 1968, 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=1968)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science and Technology. 59(2008) no.9, S.1513-1522
  9. Schreiber, M.: Inconsistencies of recently proposed citation impact indicators and how to avoid them (2012) 0.00
    8.738604E-4 = product of:
      0.002621581 = sum of:
        0.002621581 = weight(_text_:s in 459) [ClassicSimilarity], result of:
          0.002621581 = score(doc=459,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.060061958 = fieldWeight in 459, 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=459)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science and Technology. 63(2012) no.10, S.2062-2073