Search (128 results, page 1 of 7)

  • × theme_ss:"Informetrie"
  1. Glänzel, W.; Moed, H.F.: Journal impact measures in bibliometric research (2002) 0.10
    0.10222859 = product of:
      0.20445718 = sum of:
        0.20445718 = product of:
          0.40891436 = sum of:
            0.40891436 = weight(_text_:h.f in 2904) [ClassicSimilarity], result of:
              0.40891436 = score(doc=2904,freq=2.0), product of:
                0.33870584 = queryWeight, product of:
                  7.805067 = idf(docFreq=48, maxDocs=44218)
                  0.043395635 = queryNorm
                1.2072847 = fieldWeight in 2904, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.805067 = idf(docFreq=48, maxDocs=44218)
                  0.109375 = fieldNorm(doc=2904)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  2. Moed, H.F.; Halevi, G.: On full text download and citation distributions in scientific-scholarly journals (2016) 0.09
    0.0877192 = product of:
      0.1754384 = sum of:
        0.1754384 = sum of:
          0.14604086 = weight(_text_:h.f in 2646) [ClassicSimilarity], result of:
            0.14604086 = score(doc=2646,freq=2.0), product of:
              0.33870584 = queryWeight, product of:
                7.805067 = idf(docFreq=48, maxDocs=44218)
                0.043395635 = queryNorm
              0.43117312 = fieldWeight in 2646, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                7.805067 = idf(docFreq=48, maxDocs=44218)
                0.0390625 = fieldNorm(doc=2646)
          0.029397547 = weight(_text_:22 in 2646) [ClassicSimilarity], result of:
            0.029397547 = score(doc=2646,freq=2.0), product of:
              0.15196411 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.043395635 = queryNorm
              0.19345059 = fieldWeight in 2646, 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=2646)
      0.5 = coord(1/2)
    
    Date
    22. 1.2016 14:11:17
  3. Moed, H.F.: Differences in the construction of SCI based bibliometric indicators among various producers : a first overview (1996) 0.06
    0.05841634 = product of:
      0.11683268 = sum of:
        0.11683268 = product of:
          0.23366536 = sum of:
            0.23366536 = weight(_text_:h.f in 5073) [ClassicSimilarity], result of:
              0.23366536 = score(doc=5073,freq=2.0), product of:
                0.33870584 = queryWeight, product of:
                  7.805067 = idf(docFreq=48, maxDocs=44218)
                  0.043395635 = queryNorm
                0.689877 = fieldWeight in 5073, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.805067 = idf(docFreq=48, maxDocs=44218)
                  0.0625 = fieldNorm(doc=5073)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  4. Korevaar, J.C.; Moed, H.F.: Validation of bibliometric indicators in the field of mathematics (1996) 0.06
    0.05841634 = product of:
      0.11683268 = sum of:
        0.11683268 = product of:
          0.23366536 = sum of:
            0.23366536 = weight(_text_:h.f in 6692) [ClassicSimilarity], result of:
              0.23366536 = score(doc=6692,freq=2.0), product of:
                0.33870584 = queryWeight, product of:
                  7.805067 = idf(docFreq=48, maxDocs=44218)
                  0.043395635 = queryNorm
                0.689877 = fieldWeight in 6692, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.805067 = idf(docFreq=48, maxDocs=44218)
                  0.0625 = fieldNorm(doc=6692)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  5. Moed, H.F.; Bruin, R.E.D.; Leeuwen, T.N.V.: New bibliometric tools for the assessment of national research performance : database description, overview of indicators and first applications (1995) 0.04
    0.043812253 = product of:
      0.087624505 = sum of:
        0.087624505 = product of:
          0.17524901 = sum of:
            0.17524901 = weight(_text_:h.f in 3376) [ClassicSimilarity], result of:
              0.17524901 = score(doc=3376,freq=2.0), product of:
                0.33870584 = queryWeight, product of:
                  7.805067 = idf(docFreq=48, maxDocs=44218)
                  0.043395635 = queryNorm
                0.5174077 = fieldWeight in 3376, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.805067 = idf(docFreq=48, maxDocs=44218)
                  0.046875 = fieldNorm(doc=3376)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  6. Noyons, E.C.M.; Moed, H.F.; Luwel, M.: Combining mapping and citation analysis for evaluative bibliometric purposes : a bibliometric study (1999) 0.04
    0.043812253 = product of:
      0.087624505 = sum of:
        0.087624505 = product of:
          0.17524901 = sum of:
            0.17524901 = weight(_text_:h.f in 2941) [ClassicSimilarity], result of:
              0.17524901 = score(doc=2941,freq=2.0), product of:
                0.33870584 = queryWeight, product of:
                  7.805067 = idf(docFreq=48, maxDocs=44218)
                  0.043395635 = queryNorm
                0.5174077 = fieldWeight in 2941, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.805067 = idf(docFreq=48, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2941)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  7. Moed, H.F.: ¬The effect of "open access" on citation impact : an analysis of ArXiv's condensed matter section (2007) 0.04
    0.036510214 = product of:
      0.07302043 = sum of:
        0.07302043 = product of:
          0.14604086 = sum of:
            0.14604086 = weight(_text_:h.f in 621) [ClassicSimilarity], result of:
              0.14604086 = score(doc=621,freq=2.0), product of:
                0.33870584 = queryWeight, product of:
                  7.805067 = idf(docFreq=48, maxDocs=44218)
                  0.043395635 = queryNorm
                0.43117312 = fieldWeight in 621, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.805067 = idf(docFreq=48, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=621)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  8. Halevi, G.; Moed, H.F.: ¬The thematic and conceptual flow of disciplinary research : a citation context analysis of the journal of informetrics, 2007 (2013) 0.04
    0.036510214 = product of:
      0.07302043 = sum of:
        0.07302043 = product of:
          0.14604086 = sum of:
            0.14604086 = weight(_text_:h.f in 1049) [ClassicSimilarity], result of:
              0.14604086 = score(doc=1049,freq=2.0), product of:
                0.33870584 = queryWeight, product of:
                  7.805067 = idf(docFreq=48, maxDocs=44218)
                  0.043395635 = queryNorm
                0.43117312 = fieldWeight in 1049, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.805067 = idf(docFreq=48, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=1049)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  9. Moed, H.F.: Statistical relationships between downloads and citations at the level of individual documents within a single journal (2005) 0.03
    0.02920817 = product of:
      0.05841634 = sum of:
        0.05841634 = product of:
          0.11683268 = sum of:
            0.11683268 = weight(_text_:h.f in 3882) [ClassicSimilarity], result of:
              0.11683268 = score(doc=3882,freq=2.0), product of:
                0.33870584 = queryWeight, product of:
                  7.805067 = idf(docFreq=48, maxDocs=44218)
                  0.043395635 = queryNorm
                0.3449385 = fieldWeight in 3882, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.805067 = idf(docFreq=48, maxDocs=44218)
                  0.03125 = fieldNorm(doc=3882)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  10. Moed, H.F.; Leeuwen, T.N. van; Reedijk, J.: ¬A new classification system to describe the ageing of scientific journals and their impact factors (1998) 0.03
    0.02920817 = product of:
      0.05841634 = sum of:
        0.05841634 = product of:
          0.11683268 = sum of:
            0.11683268 = weight(_text_:h.f in 4719) [ClassicSimilarity], result of:
              0.11683268 = score(doc=4719,freq=2.0), product of:
                0.33870584 = queryWeight, product of:
                  7.805067 = idf(docFreq=48, maxDocs=44218)
                  0.043395635 = queryNorm
                0.3449385 = fieldWeight in 4719, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.805067 = idf(docFreq=48, maxDocs=44218)
                  0.03125 = fieldNorm(doc=4719)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  11. Moed, H.F.; Luwel, M.; Nederhof, A.J.: Towards research performance in the humanities (2002) 0.03
    0.02920817 = product of:
      0.05841634 = sum of:
        0.05841634 = product of:
          0.11683268 = sum of:
            0.11683268 = weight(_text_:h.f in 820) [ClassicSimilarity], result of:
              0.11683268 = score(doc=820,freq=2.0), product of:
                0.33870584 = queryWeight, product of:
                  7.805067 = idf(docFreq=48, maxDocs=44218)
                  0.043395635 = queryNorm
                0.3449385 = fieldWeight in 820, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.805067 = idf(docFreq=48, maxDocs=44218)
                  0.03125 = fieldNorm(doc=820)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  12. Reedijk, J.; Moed, H.F.: Is the impact of journal impact factors decreasing? (2008) 0.03
    0.02920817 = product of:
      0.05841634 = sum of:
        0.05841634 = product of:
          0.11683268 = sum of:
            0.11683268 = weight(_text_:h.f in 1734) [ClassicSimilarity], result of:
              0.11683268 = score(doc=1734,freq=2.0), product of:
                0.33870584 = queryWeight, product of:
                  7.805067 = idf(docFreq=48, maxDocs=44218)
                  0.043395635 = queryNorm
                0.3449385 = fieldWeight in 1734, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.805067 = idf(docFreq=48, maxDocs=44218)
                  0.03125 = fieldNorm(doc=1734)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  13. Nicholls, P.T.: Empirical validation of Lotka's law (1986) 0.02
    0.023518037 = product of:
      0.047036074 = sum of:
        0.047036074 = product of:
          0.09407215 = sum of:
            0.09407215 = weight(_text_:22 in 5509) [ClassicSimilarity], result of:
              0.09407215 = score(doc=5509,freq=2.0), product of:
                0.15196411 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043395635 = queryNorm
                0.61904186 = fieldWeight in 5509, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.125 = fieldNorm(doc=5509)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Information processing and management. 22(1986), S.417-419
  14. Nicolaisen, J.: Citation analysis (2007) 0.02
    0.023518037 = product of:
      0.047036074 = sum of:
        0.047036074 = product of:
          0.09407215 = sum of:
            0.09407215 = weight(_text_:22 in 6091) [ClassicSimilarity], result of:
              0.09407215 = score(doc=6091,freq=2.0), product of:
                0.15196411 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043395635 = queryNorm
                0.61904186 = fieldWeight in 6091, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.125 = fieldNorm(doc=6091)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    13. 7.2008 19:53:22
  15. Fiala, J.: Information flood : fiction and reality (1987) 0.02
    0.023518037 = product of:
      0.047036074 = sum of:
        0.047036074 = product of:
          0.09407215 = sum of:
            0.09407215 = weight(_text_:22 in 1080) [ClassicSimilarity], result of:
              0.09407215 = score(doc=1080,freq=2.0), product of:
                0.15196411 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043395635 = queryNorm
                0.61904186 = fieldWeight in 1080, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.125 = fieldNorm(doc=1080)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Thermochimica acta. 110(1987), S.11-22
  16. Su, Y.; Han, L.-F.: ¬A new literature growth model : variable exponential growth law of literature (1998) 0.02
    0.020787204 = product of:
      0.041574407 = sum of:
        0.041574407 = product of:
          0.083148815 = sum of:
            0.083148815 = weight(_text_:22 in 3690) [ClassicSimilarity], result of:
              0.083148815 = score(doc=3690,freq=4.0), product of:
                0.15196411 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043395635 = queryNorm
                0.54716086 = fieldWeight in 3690, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.078125 = fieldNorm(doc=3690)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 5.1999 19:22:35
  17. Van der Veer Martens, B.: Do citation systems represent theories of truth? (2001) 0.02
    0.020787204 = product of:
      0.041574407 = sum of:
        0.041574407 = product of:
          0.083148815 = sum of:
            0.083148815 = weight(_text_:22 in 3925) [ClassicSimilarity], result of:
              0.083148815 = score(doc=3925,freq=4.0), product of:
                0.15196411 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043395635 = queryNorm
                0.54716086 = fieldWeight in 3925, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.078125 = fieldNorm(doc=3925)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 7.2006 15:22:28
  18. Diodato, V.: Dictionary of bibliometrics (1994) 0.02
    0.020578282 = product of:
      0.041156564 = sum of:
        0.041156564 = product of:
          0.08231313 = sum of:
            0.08231313 = weight(_text_:22 in 5666) [ClassicSimilarity], result of:
              0.08231313 = score(doc=5666,freq=2.0), product of:
                0.15196411 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043395635 = queryNorm
                0.5416616 = fieldWeight in 5666, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.109375 = fieldNorm(doc=5666)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Footnote
    Rez. in: Journal of library and information science 22(1996) no.2, S.116-117 (L.C. Smith)
  19. Bookstein, A.: Informetric distributions : I. Unified overview (1990) 0.02
    0.020578282 = product of:
      0.041156564 = sum of:
        0.041156564 = product of:
          0.08231313 = sum of:
            0.08231313 = weight(_text_:22 in 6902) [ClassicSimilarity], result of:
              0.08231313 = score(doc=6902,freq=2.0), product of:
                0.15196411 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043395635 = queryNorm
                0.5416616 = fieldWeight in 6902, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.109375 = fieldNorm(doc=6902)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 7.2006 18:55:29
  20. Bookstein, A.: Informetric distributions : II. Resilience to ambiguity (1990) 0.02
    0.020578282 = product of:
      0.041156564 = sum of:
        0.041156564 = product of:
          0.08231313 = sum of:
            0.08231313 = weight(_text_:22 in 4689) [ClassicSimilarity], result of:
              0.08231313 = score(doc=4689,freq=2.0), product of:
                0.15196411 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043395635 = queryNorm
                0.5416616 = fieldWeight in 4689, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.109375 = fieldNorm(doc=4689)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 7.2006 18:55:55

Authors

Years

Languages

  • e 119
  • d 8
  • ro 1
  • More… Less…

Types

  • a 126
  • m 2
  • el 1
  • s 1
  • More… Less…