Search (13 results, page 1 of 1)

  • × theme_ss:"Citation indexing"
  • × theme_ss:"Informetrie"
  • × type_ss:"a"
  1. Larivière, V.; Gingras, Y.; Archambault, E.: ¬The decline in the concentration of citations, 1900-2007 (2009) 0.04
    0.040254116 = product of:
      0.08050823 = sum of:
        0.08050823 = product of:
          0.12076235 = sum of:
            0.06977296 = weight(_text_:v in 2763) [ClassicSimilarity], result of:
              0.06977296 = score(doc=2763,freq=2.0), product of:
                0.21606015 = queryWeight, product of:
                  4.871427 = idf(docFreq=920, maxDocs=44218)
                  0.044352535 = queryNorm
                0.32293302 = fieldWeight in 2763, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.871427 = idf(docFreq=920, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2763)
            0.050989386 = weight(_text_:22 in 2763) [ClassicSimilarity], result of:
              0.050989386 = score(doc=2763,freq=4.0), product of:
                0.15531503 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044352535 = 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)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    22. 3.2009 19:22:35
  2. Chan, H.C.; Kim, H.-W.; Tan, W.C.: Information systems citation patterns from International Conference on Information Systems articles (2006) 0.03
    0.026251007 = product of:
      0.052502014 = sum of:
        0.052502014 = product of:
          0.07875302 = sum of:
            0.042698078 = weight(_text_:w in 201) [ClassicSimilarity], result of:
              0.042698078 = score(doc=201,freq=2.0), product of:
                0.1690189 = queryWeight, product of:
                  3.8108058 = idf(docFreq=2659, maxDocs=44218)
                  0.044352535 = queryNorm
                0.2526231 = fieldWeight in 201, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.8108058 = idf(docFreq=2659, maxDocs=44218)
                  0.046875 = fieldNorm(doc=201)
            0.03605494 = weight(_text_:22 in 201) [ClassicSimilarity], result of:
              0.03605494 = score(doc=201,freq=2.0), product of:
                0.15531503 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044352535 = 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)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    3. 1.2007 17:22:03
  3. Nicolaisen, J.: Citation analysis (2007) 0.02
    0.016024418 = product of:
      0.032048836 = sum of:
        0.032048836 = product of:
          0.0961465 = sum of:
            0.0961465 = weight(_text_:22 in 6091) [ClassicSimilarity], result of:
              0.0961465 = score(doc=6091,freq=2.0), product of:
                0.15531503 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044352535 = 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)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Date
    13. 7.2008 19:53:22
  4. Van der Veer Martens, B.: Do citation systems represent theories of truth? (2001) 0.01
    0.014163718 = product of:
      0.028327435 = sum of:
        0.028327435 = product of:
          0.084982306 = sum of:
            0.084982306 = weight(_text_:22 in 3925) [ClassicSimilarity], result of:
              0.084982306 = score(doc=3925,freq=4.0), product of:
                0.15531503 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044352535 = 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)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Date
    22. 7.2006 15:22:28
  5. Marx, W.: Wie mißt man Forschungsqualität? : der Science Citation Index - ein Maßstab für die Bewertung (1996) 0.01
    0.0094884625 = product of:
      0.018976925 = sum of:
        0.018976925 = product of:
          0.056930773 = sum of:
            0.056930773 = weight(_text_:w in 5036) [ClassicSimilarity], result of:
              0.056930773 = score(doc=5036,freq=2.0), product of:
                0.1690189 = queryWeight, product of:
                  3.8108058 = idf(docFreq=2659, maxDocs=44218)
                  0.044352535 = queryNorm
                0.33683082 = fieldWeight in 5036, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.8108058 = idf(docFreq=2659, maxDocs=44218)
                  0.0625 = fieldNorm(doc=5036)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  6. Braun, T.; Glanzel, W.; Grupp, H.: ¬The scientometric weight of 50 nations in 27 scientific areas, 1989-1993 : Pt.1: All fields combined, mathematics, engineering, chemistry and physics (1995) 0.01
    0.008302405 = product of:
      0.01660481 = sum of:
        0.01660481 = product of:
          0.049814425 = sum of:
            0.049814425 = weight(_text_:w in 761) [ClassicSimilarity], result of:
              0.049814425 = score(doc=761,freq=2.0), product of:
                0.1690189 = queryWeight, product of:
                  3.8108058 = idf(docFreq=2659, maxDocs=44218)
                  0.044352535 = queryNorm
                0.29472697 = fieldWeight in 761, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.8108058 = idf(docFreq=2659, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=761)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  7. Glänzel, W.: Visual bibliometrics : eine visuelle Oberfläche zur Erweiterung der Nutzungsmöglichkeiten bibliographischer Datenbanken (1996) 0.01
    0.008302405 = product of:
      0.01660481 = sum of:
        0.01660481 = product of:
          0.049814425 = sum of:
            0.049814425 = weight(_text_:w in 6110) [ClassicSimilarity], result of:
              0.049814425 = score(doc=6110,freq=2.0), product of:
                0.1690189 = queryWeight, product of:
                  3.8108058 = idf(docFreq=2659, maxDocs=44218)
                  0.044352535 = queryNorm
                0.29472697 = fieldWeight in 6110, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.8108058 = idf(docFreq=2659, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=6110)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  8. H-Index auch im Web of Science (2008) 0.01
    0.006009157 = product of:
      0.012018314 = sum of:
        0.012018314 = product of:
          0.03605494 = sum of:
            0.03605494 = weight(_text_:22 in 590) [ClassicSimilarity], result of:
              0.03605494 = score(doc=590,freq=2.0), product of:
                0.15531503 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044352535 = 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)
          0.33333334 = coord(1/3)
      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
    0.006009157 = product of:
      0.012018314 = sum of:
        0.012018314 = product of:
          0.03605494 = sum of:
            0.03605494 = weight(_text_:22 in 994) [ClassicSimilarity], result of:
              0.03605494 = score(doc=994,freq=2.0), product of:
                0.15531503 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044352535 = 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)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Date
    26.12.2007 19:22:05
  10. Marx, W.; Bornmann, L.; Cardona, M.: Reference standards and reference multipliers for the comparison of the citation impact of papers published in different time periods (2010) 0.01
    0.005930289 = product of:
      0.011860578 = sum of:
        0.011860578 = product of:
          0.035581734 = sum of:
            0.035581734 = weight(_text_:w in 3998) [ClassicSimilarity], result of:
              0.035581734 = score(doc=3998,freq=2.0), product of:
                0.1690189 = queryWeight, product of:
                  3.8108058 = idf(docFreq=2659, maxDocs=44218)
                  0.044352535 = queryNorm
                0.21051927 = fieldWeight in 3998, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.8108058 = idf(docFreq=2659, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=3998)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  11. Hayer, L.: Lazarsfeld zitiert : eine bibliometrische Analyse (2008) 0.01
    0.0050076307 = product of:
      0.010015261 = sum of:
        0.010015261 = product of:
          0.030045783 = sum of:
            0.030045783 = weight(_text_:22 in 1934) [ClassicSimilarity], result of:
              0.030045783 = score(doc=1934,freq=2.0), product of:
                0.15531503 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044352535 = 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)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Date
    22. 6.2008 12:54:12
  12. Umstätter, W.: Szientometrische Verfahren (2004) 0.00
    0.0047442312 = product of:
      0.0094884625 = sum of:
        0.0094884625 = product of:
          0.028465386 = sum of:
            0.028465386 = weight(_text_:w in 2920) [ClassicSimilarity], result of:
              0.028465386 = score(doc=2920,freq=2.0), product of:
                0.1690189 = queryWeight, product of:
                  3.8108058 = idf(docFreq=2659, maxDocs=44218)
                  0.044352535 = queryNorm
                0.16841541 = fieldWeight in 2920, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.8108058 = idf(docFreq=2659, maxDocs=44218)
                  0.03125 = fieldNorm(doc=2920)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  13. Ahlgren, P.; Jarneving, B.; Rousseau, R.: Requirements for a cocitation similarity measure, with special reference to Pearson's correlation coefficient (2003) 0.00
    0.0040061045 = product of:
      0.008012209 = sum of:
        0.008012209 = product of:
          0.024036625 = sum of:
            0.024036625 = weight(_text_:22 in 5171) [ClassicSimilarity], result of:
              0.024036625 = score(doc=5171,freq=2.0), product of:
                0.15531503 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044352535 = 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)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Date
    9. 7.2006 10:22:35