Search (8 results, page 1 of 1)

  • × theme_ss:"Informetrie"
  • × theme_ss:"Citation indexing"
  1. Nicolaisen, J.: Citation analysis (2007) 0.02
    0.022266502 = product of:
      0.111332506 = sum of:
        0.111332506 = weight(_text_:22 in 6091) [ClassicSimilarity], result of:
          0.111332506 = score(doc=6091,freq=2.0), product of:
            0.1798465 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.051357865 = 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)
      0.2 = coord(1/5)
    
    Date
    13. 7.2008 19:53:22
  2. Van der Veer Martens, B.: Do citation systems represent theories of truth? (2001) 0.02
    0.019680994 = product of:
      0.09840497 = sum of:
        0.09840497 = weight(_text_:22 in 3925) [ClassicSimilarity], result of:
          0.09840497 = score(doc=3925,freq=4.0), product of:
            0.1798465 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.051357865 = 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)
      0.2 = coord(1/5)
    
    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
    0.011808597 = product of:
      0.059042983 = sum of:
        0.059042983 = weight(_text_:22 in 2763) [ClassicSimilarity], result of:
          0.059042983 = score(doc=2763,freq=4.0), product of:
            0.1798465 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.051357865 = 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)
      0.2 = coord(1/5)
    
    Date
    22. 3.2009 19:22:35
  4. Chan, H.C.; Kim, H.-W.; Tan, W.C.: Information systems citation patterns from International Conference on Information Systems articles (2006) 0.01
    0.008349938 = product of:
      0.04174969 = sum of:
        0.04174969 = weight(_text_:22 in 201) [ClassicSimilarity], result of:
          0.04174969 = score(doc=201,freq=2.0), product of:
            0.1798465 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.051357865 = 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)
      0.2 = coord(1/5)
    
    Date
    3. 1.2007 17:22:03
  5. H-Index auch im Web of Science (2008) 0.01
    0.008349938 = product of:
      0.04174969 = sum of:
        0.04174969 = weight(_text_:22 in 590) [ClassicSimilarity], result of:
          0.04174969 = score(doc=590,freq=2.0), product of:
            0.1798465 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.051357865 = 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)
      0.2 = coord(1/5)
    
    Date
    6. 4.2008 19:04:22
  6. Mingers, J.; Burrell, Q.L.: Modeling citation behavior in Management Science journals (2006) 0.01
    0.008349938 = product of:
      0.04174969 = sum of:
        0.04174969 = weight(_text_:22 in 994) [ClassicSimilarity], result of:
          0.04174969 = score(doc=994,freq=2.0), product of:
            0.1798465 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.051357865 = 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)
      0.2 = coord(1/5)
    
    Date
    26.12.2007 19:22:05
  7. Hayer, L.: Lazarsfeld zitiert : eine bibliometrische Analyse (2008) 0.01
    0.006958282 = product of:
      0.03479141 = sum of:
        0.03479141 = weight(_text_:22 in 1934) [ClassicSimilarity], result of:
          0.03479141 = score(doc=1934,freq=2.0), product of:
            0.1798465 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.051357865 = 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)
      0.2 = coord(1/5)
    
    Date
    22. 6.2008 12:54:12
  8. Ahlgren, P.; Jarneving, B.; Rousseau, R.: Requirements for a cocitation similarity measure, with special reference to Pearson's correlation coefficient (2003) 0.01
    0.0055666254 = product of:
      0.027833126 = sum of:
        0.027833126 = weight(_text_:22 in 5171) [ClassicSimilarity], result of:
          0.027833126 = score(doc=5171,freq=2.0), product of:
            0.1798465 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.051357865 = 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)
      0.2 = coord(1/5)
    
    Date
    9. 7.2006 10:22:35