Search (12 results, page 1 of 1)

  • × theme_ss:"Citation indexing"
  • × theme_ss:"Informetrie"
  • × type_ss:"a"
  1. Nicolaisen, J.: Citation analysis (2007) 0.02
    0.024715198 = product of:
      0.049430396 = sum of:
        0.049430396 = product of:
          0.09886079 = sum of:
            0.09886079 = weight(_text_:22 in 6091) [ClassicSimilarity], result of:
              0.09886079 = score(doc=6091,freq=2.0), product of:
                0.1596997 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045604642 = 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
    0.021845356 = product of:
      0.04369071 = sum of:
        0.04369071 = product of:
          0.08738142 = sum of:
            0.08738142 = weight(_text_:22 in 3925) [ClassicSimilarity], result of:
              0.08738142 = score(doc=3925,freq=4.0), product of:
                0.1596997 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045604642 = 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. Nacke, O.: Zitatenanalyse im engeren Sinne (1980) 0.02
    0.016207296 = product of:
      0.032414593 = sum of:
        0.032414593 = product of:
          0.064829186 = sum of:
            0.064829186 = weight(_text_:u in 399) [ClassicSimilarity], result of:
              0.064829186 = score(doc=399,freq=2.0), product of:
                0.14932987 = queryWeight, product of:
                  3.2744443 = idf(docFreq=4547, maxDocs=44218)
                  0.045604642 = queryNorm
                0.43413407 = fieldWeight in 399, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.2744443 = idf(docFreq=4547, maxDocs=44218)
                  0.09375 = fieldNorm(doc=399)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Deutscher Dokumentartag 1979, Willingen/Hochsauerland, 1.-5.10.1979. Das IuD-Programm heute - Online-Benutzergruppe - Bibliometrie, Scientometrie - Terminologiearbeit - Datenschutz - Tariffragen, Berufsbilder - Informationsmarkt - Gesprächskreise. Bearb.: M. von der Laake u. H. Strohl-Goebel
  4. Nacke, O.: Fehlerquellen bei der Zitatenanalyse (1980) 0.02
    0.016207296 = product of:
      0.032414593 = sum of:
        0.032414593 = product of:
          0.064829186 = sum of:
            0.064829186 = weight(_text_:u in 400) [ClassicSimilarity], result of:
              0.064829186 = score(doc=400,freq=2.0), product of:
                0.14932987 = queryWeight, product of:
                  3.2744443 = idf(docFreq=4547, maxDocs=44218)
                  0.045604642 = queryNorm
                0.43413407 = fieldWeight in 400, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.2744443 = idf(docFreq=4547, maxDocs=44218)
                  0.09375 = fieldNorm(doc=400)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Deutscher Dokumentartag 1979, Willingen/Hochsauerland, 1.-5.10.1979. Das IuD-Programm heute - Online-Benutzergruppe - Bibliometrie, Scientometrie - Terminologiearbeit - Datenschutz - Tariffragen, Berufsbilder - Informationsmarkt - Gesprächskreise. Bearb.: M. von der Laake u. H. Strohl-Goebel
  5. Larivière, V.; Gingras, Y.; Archambault, E.: ¬The decline in the concentration of citations, 1900-2007 (2009) 0.01
    0.013107214 = product of:
      0.026214428 = sum of:
        0.026214428 = product of:
          0.052428856 = sum of:
            0.052428856 = weight(_text_:22 in 2763) [ClassicSimilarity], result of:
              0.052428856 = score(doc=2763,freq=4.0), product of:
                0.1596997 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045604642 = 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
  6. Feitelson, D.G.; Yovel, U.: Predictive ranking of computer scientists using CiteSeer data (2004) 0.01
    0.009454256 = product of:
      0.018908512 = sum of:
        0.018908512 = product of:
          0.037817024 = sum of:
            0.037817024 = weight(_text_:u in 1259) [ClassicSimilarity], result of:
              0.037817024 = score(doc=1259,freq=2.0), product of:
                0.14932987 = queryWeight, product of:
                  3.2744443 = idf(docFreq=4547, maxDocs=44218)
                  0.045604642 = queryNorm
                0.25324488 = fieldWeight in 1259, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.2744443 = idf(docFreq=4547, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=1259)
          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
    0.009268199 = product of:
      0.018536398 = sum of:
        0.018536398 = product of:
          0.037072796 = sum of:
            0.037072796 = weight(_text_:22 in 201) [ClassicSimilarity], result of:
              0.037072796 = score(doc=201,freq=2.0), product of:
                0.1596997 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045604642 = 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
    0.009268199 = product of:
      0.018536398 = sum of:
        0.018536398 = product of:
          0.037072796 = sum of:
            0.037072796 = weight(_text_:22 in 590) [ClassicSimilarity], result of:
              0.037072796 = score(doc=590,freq=2.0), product of:
                0.1596997 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045604642 = 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
    0.009268199 = product of:
      0.018536398 = sum of:
        0.018536398 = product of:
          0.037072796 = sum of:
            0.037072796 = weight(_text_:22 in 994) [ClassicSimilarity], result of:
              0.037072796 = score(doc=994,freq=2.0), product of:
                0.1596997 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045604642 = 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. Hayer, L.: Lazarsfeld zitiert : eine bibliometrische Analyse (2008) 0.01
    0.0077234996 = product of:
      0.015446999 = sum of:
        0.015446999 = product of:
          0.030893998 = sum of:
            0.030893998 = weight(_text_:22 in 1934) [ClassicSimilarity], result of:
              0.030893998 = score(doc=1934,freq=2.0), product of:
                0.1596997 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045604642 = 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
  11. Ahlgren, P.; Jarneving, B.; Rousseau, R.: Requirements for a cocitation similarity measure, with special reference to Pearson's correlation coefficient (2003) 0.01
    0.0061787996 = product of:
      0.012357599 = sum of:
        0.012357599 = product of:
          0.024715198 = sum of:
            0.024715198 = weight(_text_:22 in 5171) [ClassicSimilarity], result of:
              0.024715198 = score(doc=5171,freq=2.0), product of:
                0.1596997 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045604642 = 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
  12. Umstätter, W.: Szientometrische Verfahren (2004) 0.01
    0.0054024323 = product of:
      0.010804865 = sum of:
        0.010804865 = product of:
          0.02160973 = sum of:
            0.02160973 = weight(_text_:u in 2920) [ClassicSimilarity], result of:
              0.02160973 = score(doc=2920,freq=2.0), product of:
                0.14932987 = queryWeight, product of:
                  3.2744443 = idf(docFreq=4547, maxDocs=44218)
                  0.045604642 = queryNorm
                0.14471136 = fieldWeight in 2920, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.2744443 = idf(docFreq=4547, maxDocs=44218)
                  0.03125 = fieldNorm(doc=2920)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Grundlagen der praktischen Information und Dokumentation. 5., völlig neu gefaßte Ausgabe. 2 Bde. Hrsg. von R. Kuhlen, Th. Seeger u. D. Strauch. Begründet von Klaus Laisiepen, Ernst Lutterbeck, Karl-Heinrich Meyer-Uhlenried. Bd.1: Handbuch zur Einführung in die Informationswissenschaft und -praxis