Search (20 results, page 1 of 1)

  • × theme_ss:"Informetrie"
  • × theme_ss:"Citation indexing"
  1. Nicolaisen, J.: Citation analysis (2007) 0.02
    0.02468502 = product of:
      0.04937004 = sum of:
        0.04937004 = product of:
          0.09874008 = sum of:
            0.09874008 = weight(_text_:22 in 6091) [ClassicSimilarity], result of:
              0.09874008 = score(doc=6091,freq=2.0), product of:
                0.15950468 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045548957 = 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
  2. Van der Veer Martens, B.: Do citation systems represent theories of truth? (2001) 0.02
    0.02181868 = product of:
      0.04363736 = sum of:
        0.04363736 = product of:
          0.08727472 = sum of:
            0.08727472 = weight(_text_:22 in 3925) [ClassicSimilarity], result of:
              0.08727472 = score(doc=3925,freq=4.0), product of:
                0.15950468 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045548957 = 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
  3. Larivière, V.; Gingras, Y.; Archambault, E.: ¬The decline in the concentration of citations, 1900-2007 (2009) 0.01
    0.013091208 = product of:
      0.026182417 = sum of:
        0.026182417 = product of:
          0.052364834 = sum of:
            0.052364834 = weight(_text_:22 in 2763) [ClassicSimilarity], result of:
              0.052364834 = score(doc=2763,freq=4.0), product of:
                0.15950468 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045548957 = queryNorm
                0.32829654 = fieldWeight in 2763, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2763)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 3.2009 19:22:35
  4. Oppenheim, C.: Do citations count? : Citation indexing and the Research Assessment Exercise (RAE) (1996) 0.01
    0.011975727 = product of:
      0.023951454 = sum of:
        0.023951454 = product of:
          0.04790291 = sum of:
            0.04790291 = weight(_text_:c in 6673) [ClassicSimilarity], result of:
              0.04790291 = score(doc=6673,freq=2.0), product of:
                0.15711682 = queryWeight, product of:
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.045548957 = queryNorm
                0.3048872 = fieldWeight in 6673, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.0625 = fieldNorm(doc=6673)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  5. Kurtz, M.J.; Eichhorn, G.; Accomazzi, A.; Grant, C.; Demleitner, M.; Henneken, E.; Murray, S.S.: ¬The effect of use and access on citations (2005) 0.01
    0.011975727 = product of:
      0.023951454 = sum of:
        0.023951454 = product of:
          0.04790291 = sum of:
            0.04790291 = weight(_text_:c in 1064) [ClassicSimilarity], result of:
              0.04790291 = score(doc=1064,freq=2.0), product of:
                0.15711682 = queryWeight, product of:
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.045548957 = queryNorm
                0.3048872 = fieldWeight in 1064, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.0625 = fieldNorm(doc=1064)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  6. Neuhaus, C.; Daniel, H.-D.: Data sources for performing citation analysis : an overview (2008) 0.01
    0.01047876 = product of:
      0.02095752 = sum of:
        0.02095752 = product of:
          0.04191504 = sum of:
            0.04191504 = weight(_text_:c in 1735) [ClassicSimilarity], result of:
              0.04191504 = score(doc=1735,freq=2.0), product of:
                0.15711682 = queryWeight, product of:
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.045548957 = queryNorm
                0.2667763 = fieldWeight in 1735, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=1735)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  7. Chan, H.C.; Kim, H.-W.; Tan, W.C.: Information systems citation patterns from International Conference on Information Systems articles (2006) 0.01
    0.009256882 = product of:
      0.018513763 = sum of:
        0.018513763 = product of:
          0.037027527 = sum of:
            0.037027527 = weight(_text_:22 in 201) [ClassicSimilarity], result of:
              0.037027527 = score(doc=201,freq=2.0), product of:
                0.15950468 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045548957 = queryNorm
                0.23214069 = fieldWeight in 201, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.046875 = fieldNorm(doc=201)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    3. 1.2007 17:22:03
  8. H-Index auch im Web of Science (2008) 0.01
    0.009256882 = product of:
      0.018513763 = sum of:
        0.018513763 = product of:
          0.037027527 = sum of:
            0.037027527 = weight(_text_:22 in 590) [ClassicSimilarity], result of:
              0.037027527 = score(doc=590,freq=2.0), product of:
                0.15950468 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045548957 = queryNorm
                0.23214069 = fieldWeight in 590, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.046875 = fieldNorm(doc=590)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    6. 4.2008 19:04:22
  9. Mingers, J.; Burrell, Q.L.: Modeling citation behavior in Management Science journals (2006) 0.01
    0.009256882 = product of:
      0.018513763 = sum of:
        0.018513763 = product of:
          0.037027527 = sum of:
            0.037027527 = weight(_text_:22 in 994) [ClassicSimilarity], result of:
              0.037027527 = score(doc=994,freq=2.0), product of:
                0.15950468 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045548957 = queryNorm
                0.23214069 = fieldWeight in 994, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.046875 = fieldNorm(doc=994)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    26.12.2007 19:22:05
  10. Chen, C.; Paul, R.J.; O'Keefe, B.: Fitting the Jigsaw of citation : information visualization in domain analysis (2001) 0.01
    0.008981795 = product of:
      0.01796359 = sum of:
        0.01796359 = product of:
          0.03592718 = sum of:
            0.03592718 = weight(_text_:c in 5766) [ClassicSimilarity], result of:
              0.03592718 = score(doc=5766,freq=2.0), product of:
                0.15711682 = queryWeight, product of:
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.045548957 = queryNorm
                0.22866541 = fieldWeight in 5766, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.046875 = fieldNorm(doc=5766)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  11. Chen, C.; Cribbin, T.; Macredie, R.; Morar, S.: Visualizing and tracking the growth of competing paradigms : two case studies (2002) 0.01
    0.008981795 = product of:
      0.01796359 = sum of:
        0.01796359 = product of:
          0.03592718 = sum of:
            0.03592718 = weight(_text_:c in 602) [ClassicSimilarity], result of:
              0.03592718 = score(doc=602,freq=2.0), product of:
                0.15711682 = queryWeight, product of:
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.045548957 = queryNorm
                0.22866541 = fieldWeight in 602, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.046875 = fieldNorm(doc=602)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  12. Gorraiz, J.; Schlögl, C.: Zusammenhang von Zeitschriftennachfrage und -zitationshäufigkeiten : ¬Eine bibliometrische Analyse eines Dokumentlieferdienstes am Beispiel von Subito (2003) 0.01
    0.008981795 = product of:
      0.01796359 = sum of:
        0.01796359 = product of:
          0.03592718 = sum of:
            0.03592718 = weight(_text_:c in 718) [ClassicSimilarity], result of:
              0.03592718 = score(doc=718,freq=2.0), product of:
                0.15711682 = queryWeight, product of:
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.045548957 = queryNorm
                0.22866541 = fieldWeight in 718, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.046875 = fieldNorm(doc=718)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  13. Prime-Claverie, C.; Beigbeder, M.; Lafouge, T.: Transposition of the cocitation method with a view to classifying Web pages (2004) 0.01
    0.008981795 = product of:
      0.01796359 = sum of:
        0.01796359 = product of:
          0.03592718 = sum of:
            0.03592718 = weight(_text_:c in 3095) [ClassicSimilarity], result of:
              0.03592718 = score(doc=3095,freq=2.0), product of:
                0.15711682 = queryWeight, product of:
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.045548957 = queryNorm
                0.22866541 = fieldWeight in 3095, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.046875 = fieldNorm(doc=3095)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  14. Hayer, L.: Lazarsfeld zitiert : eine bibliometrische Analyse (2008) 0.01
    0.0077140685 = product of:
      0.015428137 = sum of:
        0.015428137 = product of:
          0.030856274 = sum of:
            0.030856274 = weight(_text_:22 in 1934) [ClassicSimilarity], result of:
              0.030856274 = score(doc=1934,freq=2.0), product of:
                0.15950468 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045548957 = queryNorm
                0.19345059 = fieldWeight in 1934, 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=1934)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 6.2008 12:54:12
  15. Brown, C.: ¬The evolution of preprints in the scholarly communication of physicists and astronomers (2001) 0.01
    0.007484829 = product of:
      0.014969658 = sum of:
        0.014969658 = product of:
          0.029939316 = sum of:
            0.029939316 = weight(_text_:c in 5184) [ClassicSimilarity], result of:
              0.029939316 = score(doc=5184,freq=2.0), product of:
                0.15711682 = queryWeight, product of:
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.045548957 = queryNorm
                0.1905545 = fieldWeight in 5184, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=5184)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  16. Johnson, B.; Oppenheim, C.: How socially connected are citers to those that they cite? (2007) 0.01
    0.007484829 = product of:
      0.014969658 = sum of:
        0.014969658 = product of:
          0.029939316 = sum of:
            0.029939316 = weight(_text_:c in 839) [ClassicSimilarity], result of:
              0.029939316 = score(doc=839,freq=2.0), product of:
                0.15711682 = queryWeight, product of:
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.045548957 = queryNorm
                0.1905545 = fieldWeight in 839, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=839)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  17. Wilson, C.S.; Tenopir, C.: Local citation analysis, publishing and reading patterns : using multiple methods to evaluate faculty use of an academic library's research collection (2008) 0.01
    0.007484829 = product of:
      0.014969658 = sum of:
        0.014969658 = product of:
          0.029939316 = sum of:
            0.029939316 = weight(_text_:c in 1960) [ClassicSimilarity], result of:
              0.029939316 = score(doc=1960,freq=2.0), product of:
                0.15711682 = queryWeight, product of:
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.045548957 = queryNorm
                0.1905545 = fieldWeight in 1960, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=1960)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  18. Ahlgren, P.; Jarneving, B.; Rousseau, R.: Requirements for a cocitation similarity measure, with special reference to Pearson's correlation coefficient (2003) 0.01
    0.006171255 = product of:
      0.01234251 = sum of:
        0.01234251 = product of:
          0.02468502 = sum of:
            0.02468502 = weight(_text_:22 in 5171) [ClassicSimilarity], result of:
              0.02468502 = score(doc=5171,freq=2.0), product of:
                0.15950468 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045548957 = queryNorm
                0.15476047 = fieldWeight in 5171, 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=5171)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    9. 7.2006 10:22:35
  19. Frohlich, C.; Resler, L.: Analysis of publications and citations from a geophysics research institute (2001) 0.01
    0.0059878635 = product of:
      0.011975727 = sum of:
        0.011975727 = product of:
          0.023951454 = sum of:
            0.023951454 = weight(_text_:c in 5797) [ClassicSimilarity], result of:
              0.023951454 = score(doc=5797,freq=2.0), product of:
                0.15711682 = queryWeight, product of:
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.045548957 = queryNorm
                0.1524436 = fieldWeight in 5797, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.03125 = fieldNorm(doc=5797)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  20. Chen, C.: Mapping scientific frontiers : the quest for knowledge visualization (2003) 0.01
    0.0059878635 = product of:
      0.011975727 = sum of:
        0.011975727 = product of:
          0.023951454 = sum of:
            0.023951454 = weight(_text_:c in 2213) [ClassicSimilarity], result of:
              0.023951454 = score(doc=2213,freq=2.0), product of:
                0.15711682 = queryWeight, product of:
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.045548957 = queryNorm
                0.1524436 = fieldWeight in 2213, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.03125 = fieldNorm(doc=2213)
          0.5 = coord(1/2)
      0.5 = coord(1/2)