Search (34 results, page 1 of 2)

  • × year_i:[2000 TO 2010}
  • × theme_ss:"Citation indexing"
  1. Larivière, V.; Gingras, Y.; Archambault, E.: ¬The decline in the concentration of citations, 1900-2007 (2009) 0.04
    0.03966645 = product of:
      0.0793329 = sum of:
        0.0793329 = product of:
          0.11899935 = sum of:
            0.068045236 = weight(_text_:y in 2763) [ClassicSimilarity], result of:
              0.068045236 = score(doc=2763,freq=2.0), product of:
                0.2132945 = queryWeight, product of:
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.044321854 = queryNorm
                0.3190201 = fieldWeight in 2763, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2763)
            0.05095411 = weight(_text_:22 in 2763) [ClassicSimilarity], result of:
              0.05095411 = score(doc=2763,freq=4.0), product of:
                0.15520757 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044321854 = 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. Ma, N.; Guan, J.; Zhao, Y.: Bringing PageRank to the citation analysis (2008) 0.03
    0.034691744 = product of:
      0.06938349 = sum of:
        0.06938349 = product of:
          0.10407523 = sum of:
            0.068045236 = weight(_text_:y in 2064) [ClassicSimilarity], result of:
              0.068045236 = score(doc=2064,freq=2.0), product of:
                0.2132945 = queryWeight, product of:
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.044321854 = queryNorm
                0.3190201 = fieldWeight in 2064, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2064)
            0.036029994 = weight(_text_:22 in 2064) [ClassicSimilarity], result of:
              0.036029994 = score(doc=2064,freq=2.0), product of:
                0.15520757 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044321854 = queryNorm
                0.23214069 = fieldWeight in 2064, 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=2064)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    31. 7.2008 14:22:05
  3. He, Y.; Hui, S.C.: Mining a web database for author cocitation analysis (2002) 0.03
    0.026462033 = product of:
      0.052924067 = sum of:
        0.052924067 = product of:
          0.1587722 = sum of:
            0.1587722 = weight(_text_:y in 2584) [ClassicSimilarity], result of:
              0.1587722 = score(doc=2584,freq=2.0), product of:
                0.2132945 = queryWeight, product of:
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.044321854 = queryNorm
                0.7443802 = fieldWeight in 2584, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.109375 = fieldNorm(doc=2584)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  4. Hayer, L.: Lazarsfeld zitiert : eine bibliometrische Analyse (2008) 0.02
    0.022901809 = product of:
      0.045803618 = sum of:
        0.045803618 = product of:
          0.068705425 = sum of:
            0.03868043 = weight(_text_:l in 1934) [ClassicSimilarity], result of:
              0.03868043 = score(doc=1934,freq=2.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.2195706 = fieldWeight in 1934, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=1934)
            0.030024996 = weight(_text_:22 in 1934) [ClassicSimilarity], result of:
              0.030024996 = score(doc=1934,freq=2.0), product of:
                0.15520757 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044321854 = 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)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    22. 6.2008 12:54:12
  5. Nicolaisen, J.: Citation analysis (2007) 0.02
    0.016013332 = product of:
      0.032026663 = sum of:
        0.032026663 = product of:
          0.09607998 = sum of:
            0.09607998 = weight(_text_:22 in 6091) [ClassicSimilarity], result of:
              0.09607998 = score(doc=6091,freq=2.0), product of:
                0.15520757 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044321854 = 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
  6. Van der Veer Martens, B.: Do citation systems represent theories of truth? (2001) 0.01
    0.014153919 = product of:
      0.028307838 = sum of:
        0.028307838 = product of:
          0.08492351 = sum of:
            0.08492351 = weight(_text_:22 in 3925) [ClassicSimilarity], result of:
              0.08492351 = score(doc=3925,freq=4.0), product of:
                0.15520757 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044321854 = 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
  7. He, Y.; Hui, S.C.: PubSearch : a Web citation-based retrieval system (2001) 0.01
    0.011340873 = product of:
      0.022681747 = sum of:
        0.022681747 = product of:
          0.068045236 = sum of:
            0.068045236 = weight(_text_:y in 4806) [ClassicSimilarity], result of:
              0.068045236 = score(doc=4806,freq=2.0), product of:
                0.2132945 = queryWeight, product of:
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.044321854 = queryNorm
                0.3190201 = fieldWeight in 4806, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.046875 = fieldNorm(doc=4806)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  8. Shibata, N.; Kajikawa, Y.; Matsushima, K.: Topological analysis of citation networks to discover the future core articles (2007) 0.01
    0.011340873 = product of:
      0.022681747 = sum of:
        0.022681747 = product of:
          0.068045236 = sum of:
            0.068045236 = weight(_text_:y in 286) [ClassicSimilarity], result of:
              0.068045236 = score(doc=286,freq=2.0), product of:
                0.2132945 = queryWeight, product of:
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.044321854 = queryNorm
                0.3190201 = fieldWeight in 286, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.046875 = fieldNorm(doc=286)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  9. Sidiropoulos, A.; Manolopoulos, Y.: ¬A new perspective to automatically rank scientific conferences using digital libraries (2005) 0.01
    0.011340873 = product of:
      0.022681747 = sum of:
        0.022681747 = product of:
          0.068045236 = sum of:
            0.068045236 = weight(_text_:y in 1011) [ClassicSimilarity], result of:
              0.068045236 = score(doc=1011,freq=2.0), product of:
                0.2132945 = queryWeight, product of:
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.044321854 = queryNorm
                0.3190201 = fieldWeight in 1011, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.046875 = fieldNorm(doc=1011)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  10. Garfield, E.; Stock, W.G.: Citation Consciousness : Interview with Eugene Garfiels, chairman emeritus of ISI; Philadelphia (2002) 0.01
    0.010008332 = product of:
      0.020016665 = sum of:
        0.020016665 = product of:
          0.060049992 = sum of:
            0.060049992 = weight(_text_:22 in 613) [ClassicSimilarity], result of:
              0.060049992 = score(doc=613,freq=2.0), product of:
                0.15520757 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044321854 = queryNorm
                0.38690117 = fieldWeight in 613, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.078125 = fieldNorm(doc=613)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Password. 2002, H.6, S.22-25
  11. Thelwall, M.; Vaughan, L.; Björneborn, L.: Webometrics (2004) 0.01
    0.009117065 = product of:
      0.01823413 = sum of:
        0.01823413 = product of:
          0.054702386 = sum of:
            0.054702386 = weight(_text_:l in 4279) [ClassicSimilarity], result of:
              0.054702386 = score(doc=4279,freq=4.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.31051973 = fieldWeight in 4279, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=4279)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  12. Leydesdorff, L.: Dynamic and evolutionary updates of classificatory schemes in scientific journal structures (2002) 0.01
    0.009025434 = product of:
      0.018050868 = sum of:
        0.018050868 = product of:
          0.054152604 = sum of:
            0.054152604 = weight(_text_:l in 1249) [ClassicSimilarity], result of:
              0.054152604 = score(doc=1249,freq=2.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.30739886 = fieldWeight in 1249, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=1249)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  13. Brody, T.; Harnad, S.; Carr, L.: Earlier Web usage statistics as predictors of later citation impact (2006) 0.01
    0.009025434 = product of:
      0.018050868 = sum of:
        0.018050868 = product of:
          0.054152604 = sum of:
            0.054152604 = weight(_text_:l in 165) [ClassicSimilarity], result of:
              0.054152604 = score(doc=165,freq=2.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.30739886 = fieldWeight in 165, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=165)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  14. Leydesdorff, L.: Clusters and maps of science journals based on bi-connected graphs in Journal Citation Reports (2004) 0.01
    0.007736086 = product of:
      0.015472172 = sum of:
        0.015472172 = product of:
          0.046416514 = sum of:
            0.046416514 = weight(_text_:l in 4427) [ClassicSimilarity], result of:
              0.046416514 = score(doc=4427,freq=2.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.26348472 = fieldWeight in 4427, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.046875 = fieldNorm(doc=4427)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  15. Leydesdorff, L.; Bihui, J.: Mapping the Chinese Science Citation Database in terms of aggregated journal-journal citation relations (2005) 0.01
    0.007736086 = product of:
      0.015472172 = sum of:
        0.015472172 = product of:
          0.046416514 = sum of:
            0.046416514 = weight(_text_:l in 4813) [ClassicSimilarity], result of:
              0.046416514 = score(doc=4813,freq=2.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.26348472 = fieldWeight in 4813, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.046875 = fieldNorm(doc=4813)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  16. Leydesdorff, L.: Can scientific journals be classified in terms of aggregated journal-journal citation relations using the Journal Citation Reports? (2006) 0.01
    0.007736086 = product of:
      0.015472172 = sum of:
        0.015472172 = product of:
          0.046416514 = sum of:
            0.046416514 = weight(_text_:l in 5046) [ClassicSimilarity], result of:
              0.046416514 = score(doc=5046,freq=2.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.26348472 = fieldWeight in 5046, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.046875 = fieldNorm(doc=5046)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  17. González, L.; Campanario, J.M.: Structure of the impact factor of journals included in the Social Sciences Citation Index : citations from documents labeled "Editorial Material" (2007) 0.01
    0.007736086 = product of:
      0.015472172 = sum of:
        0.015472172 = product of:
          0.046416514 = sum of:
            0.046416514 = weight(_text_:l in 75) [ClassicSimilarity], result of:
              0.046416514 = score(doc=75,freq=2.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.26348472 = fieldWeight in 75, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.046875 = fieldNorm(doc=75)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  18. Leydesdorff, L.: On the normalization and visualization of author co-citation data : Salton's Cosine versus the Jaccard index (2008) 0.01
    0.007736086 = product of:
      0.015472172 = sum of:
        0.015472172 = product of:
          0.046416514 = sum of:
            0.046416514 = weight(_text_:l in 1341) [ClassicSimilarity], result of:
              0.046416514 = score(doc=1341,freq=2.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.26348472 = fieldWeight in 1341, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.046875 = fieldNorm(doc=1341)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  19. Leydesdorff, L.: Caveats for the use of citation indicators in research and journal evaluations (2008) 0.01
    0.007736086 = product of:
      0.015472172 = sum of:
        0.015472172 = product of:
          0.046416514 = sum of:
            0.046416514 = weight(_text_:l in 1361) [ClassicSimilarity], result of:
              0.046416514 = score(doc=1361,freq=2.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.26348472 = fieldWeight in 1361, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.046875 = fieldNorm(doc=1361)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  20. Garfield, E.: Recollections of Irving H. Sher 1924-1996 : Polymath/information scientist extraordinaire (2001) 0.01
    0.0070058326 = product of:
      0.014011665 = sum of:
        0.014011665 = product of:
          0.042034995 = sum of:
            0.042034995 = weight(_text_:22 in 6920) [ClassicSimilarity], result of:
              0.042034995 = score(doc=6920,freq=2.0), product of:
                0.15520757 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044321854 = queryNorm
                0.2708308 = fieldWeight in 6920, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=6920)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Date
    16.12.2001 14:01:22