Search (64 results, page 1 of 4)

  • × theme_ss:"Citation indexing"
  1. 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) 0.05
    0.050209828 = product of:
      0.17573439 = sum of:
        0.03902195 = weight(_text_:w in 761) [ClassicSimilarity], result of:
          0.03902195 = score(doc=761,freq=2.0), product of:
            0.13240033 = queryWeight, product of:
              3.8108058 = idf(docFreq=2659, maxDocs=44218)
              0.034743395 = 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)
        0.13671243 = product of:
          0.27342486 = sum of:
            0.27342486 = weight(_text_:glanzel in 761) [ClassicSimilarity], result of:
              0.27342486 = score(doc=761,freq=2.0), product of:
                0.3504722 = queryWeight, product of:
                  10.087449 = idf(docFreq=4, maxDocs=44218)
                  0.034743395 = queryNorm
                0.7801613 = fieldWeight in 761, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  10.087449 = idf(docFreq=4, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=761)
          0.5 = coord(1/2)
      0.2857143 = coord(2/7)
    
  2. Fröhlich, G.: ¬Das Messen des leicht Meßbaren : Output-Indikatoren, Impact-Maße: Artefakte der Szeintometrie? (1999) 0.03
    0.027686708 = product of:
      0.09690347 = sum of:
        0.041157834 = weight(_text_:u in 4379) [ClassicSimilarity], result of:
          0.041157834 = score(doc=4379,freq=2.0), product of:
            0.113765314 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.034743395 = queryNorm
            0.3617784 = fieldWeight in 4379, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.078125 = fieldNorm(doc=4379)
        0.055745643 = weight(_text_:w in 4379) [ClassicSimilarity], result of:
          0.055745643 = score(doc=4379,freq=2.0), product of:
            0.13240033 = queryWeight, product of:
              3.8108058 = idf(docFreq=2659, maxDocs=44218)
              0.034743395 = queryNorm
            0.42103854 = fieldWeight in 4379, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.8108058 = idf(docFreq=2659, maxDocs=44218)
              0.078125 = fieldNorm(doc=4379)
      0.2857143 = coord(2/7)
    
    Footnote
    Zuerst publiziert in: Kommunikation statt Markt: Zu einer alternativen Theorie der Informationsgesellschaft. Hrsg.: J. Becker u. W. Göhring. Sankt Augustin: GMD. (GMD Report; 61) S.27-38.
  3. Peritz, B.C.: Citation characteristics in library science : some further results from a bibliometric survey (1981) 0.02
    0.021474319 = product of:
      0.15032022 = sum of:
        0.15032022 = product of:
          0.30064043 = sum of:
            0.30064043 = weight(_text_:b.c in 4170) [ClassicSimilarity], result of:
              0.30064043 = score(doc=4170,freq=2.0), product of:
                0.24307893 = queryWeight, product of:
                  6.996407 = idf(docFreq=109, maxDocs=44218)
                  0.034743395 = queryNorm
                1.2368017 = fieldWeight in 4170, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  6.996407 = idf(docFreq=109, maxDocs=44218)
                  0.125 = fieldNorm(doc=4170)
          0.5 = coord(1/2)
      0.14285715 = coord(1/7)
    
  4. Peritz, B.C.: ¬A classification of citation roles for the social sciences and related fields (1983) 0.02
    0.018790029 = product of:
      0.1315302 = sum of:
        0.1315302 = product of:
          0.2630604 = sum of:
            0.2630604 = weight(_text_:b.c in 3073) [ClassicSimilarity], result of:
              0.2630604 = score(doc=3073,freq=2.0), product of:
                0.24307893 = queryWeight, product of:
                  6.996407 = idf(docFreq=109, maxDocs=44218)
                  0.034743395 = queryNorm
                1.0822015 = fieldWeight in 3073, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  6.996407 = idf(docFreq=109, maxDocs=44218)
                  0.109375 = fieldNorm(doc=3073)
          0.5 = coord(1/2)
      0.14285715 = coord(1/7)
    
  5. 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) 0.02
    0.016626848 = product of:
      0.058193967 = sum of:
        0.030321145 = weight(_text_:l in 3998) [ClassicSimilarity], result of:
          0.030321145 = score(doc=3998,freq=2.0), product of:
            0.13809292 = queryWeight, product of:
              3.9746525 = idf(docFreq=2257, maxDocs=44218)
              0.034743395 = queryNorm
            0.2195706 = fieldWeight in 3998, 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=3998)
        0.027872821 = weight(_text_:w in 3998) [ClassicSimilarity], result of:
          0.027872821 = score(doc=3998,freq=2.0), product of:
            0.13240033 = queryWeight, product of:
              3.8108058 = idf(docFreq=2659, maxDocs=44218)
              0.034743395 = 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)
      0.2857143 = coord(2/7)
    
  6. Chan, H.C.; Kim, H.-W.; Tan, W.C.: Information systems citation patterns from International Conference on Information Systems articles (2006) 0.01
    0.0135911815 = product of:
      0.047569133 = sum of:
        0.033447385 = weight(_text_:w in 201) [ClassicSimilarity], result of:
          0.033447385 = score(doc=201,freq=2.0), product of:
            0.13240033 = queryWeight, product of:
              3.8108058 = idf(docFreq=2659, maxDocs=44218)
              0.034743395 = 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)
        0.01412175 = product of:
          0.0282435 = sum of:
            0.0282435 = weight(_text_:22 in 201) [ClassicSimilarity], result of:
              0.0282435 = score(doc=201,freq=2.0), product of:
                0.12166545 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.034743395 = 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)
      0.2857143 = coord(2/7)
    
    Date
    3. 1.2007 17:22:03
  7. Page, L.; Brin, S.; Motwani, R.; Winograd, T.: ¬The PageRank citation ranking : Bringing order to the Web (1999) 0.01
    0.012128459 = product of:
      0.08489921 = sum of:
        0.08489921 = weight(_text_:l in 496) [ClassicSimilarity], result of:
          0.08489921 = score(doc=496,freq=2.0), product of:
            0.13809292 = queryWeight, product of:
              3.9746525 = idf(docFreq=2257, maxDocs=44218)
              0.034743395 = queryNorm
            0.6147977 = fieldWeight in 496, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.9746525 = idf(docFreq=2257, maxDocs=44218)
              0.109375 = fieldNorm(doc=496)
      0.14285715 = coord(1/7)
    
  8. Hayer, L.: Lazarsfeld zitiert : eine bibliometrische Analyse (2008) 0.01
    0.012025507 = product of:
      0.042089272 = sum of:
        0.030321145 = weight(_text_:l in 1934) [ClassicSimilarity], result of:
          0.030321145 = score(doc=1934,freq=2.0), product of:
            0.13809292 = queryWeight, product of:
              3.9746525 = idf(docFreq=2257, maxDocs=44218)
              0.034743395 = 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)
        0.011768126 = product of:
          0.023536252 = sum of:
            0.023536252 = weight(_text_:22 in 1934) [ClassicSimilarity], result of:
              0.023536252 = score(doc=1934,freq=2.0), product of:
                0.12166545 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.034743395 = 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)
      0.2857143 = coord(2/7)
    
    Date
    22. 6.2008 12:54:12
  9. Umstätter, W.: Szientometrische Verfahren (2004) 0.01
    0.011074683 = product of:
      0.03876139 = sum of:
        0.016463133 = weight(_text_:u in 2920) [ClassicSimilarity], result of:
          0.016463133 = score(doc=2920,freq=2.0), product of:
            0.113765314 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.034743395 = 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)
        0.022298256 = weight(_text_:w in 2920) [ClassicSimilarity], result of:
          0.022298256 = score(doc=2920,freq=2.0), product of:
            0.13240033 = queryWeight, product of:
              3.8108058 = idf(docFreq=2659, maxDocs=44218)
              0.034743395 = 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)
      0.2857143 = coord(2/7)
    
    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
  10. ¬The Web of knowledge : Festschrift in honor of Eugene Garfield (2000) 0.01
    0.0083151385 = product of:
      0.058205966 = sum of:
        0.058205966 = weight(_text_:u in 461) [ClassicSimilarity], result of:
          0.058205966 = score(doc=461,freq=4.0), product of:
            0.113765314 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.034743395 = queryNorm
            0.5116319 = fieldWeight in 461, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.078125 = fieldNorm(doc=461)
      0.14285715 = coord(1/7)
    
    Editor
    Cronin, B. u. H.B. Atkins
    Footnote
    Rez. in: Knowledge organization 28(2001) no.1, S.45-46 (M.J. López Huertas u. E. Jiménez-Contreras); Password 2002, H.3, S.14-19 (W.G. Stock)
  11. Zitatenanalyse und verwandte Verfahren : Vorträge einer öffentlichen Sitzung während der 32. Jahrestagung der Deutschen Gesellschaft für Dokumentation, Oktober 1979 (1980) 0.01
    0.007963664 = product of:
      0.055745643 = sum of:
        0.055745643 = weight(_text_:w in 417) [ClassicSimilarity], result of:
          0.055745643 = score(doc=417,freq=2.0), product of:
            0.13240033 = queryWeight, product of:
              3.8108058 = idf(docFreq=2659, maxDocs=44218)
              0.034743395 = queryNorm
            0.42103854 = fieldWeight in 417, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.8108058 = idf(docFreq=2659, maxDocs=44218)
              0.078125 = fieldNorm(doc=417)
      0.14285715 = coord(1/7)
    
    Content
    Enthält die Beiträge: NACKE, O.: Zitatenanalyse im engeren Sinne; GERDEL, W.: Datentechnische Methoden in der Referenzanalyse; EISENHARDT, O.-H.: Ergebnisse der Referenzanalyse; KRUG, G.: List-Analyse; LANGE, H.: Requestanalyse; HENZLER, R.G.: Bibliometrische Methoden der Termanalyse; NACKE, O.: Fehlerquellen bei der Zitatenanalyse
  12. Nacke, O.: Zitatenanalyse im engeren Sinne (1980) 0.01
    0.007055629 = product of:
      0.0493894 = sum of:
        0.0493894 = weight(_text_:u in 399) [ClassicSimilarity], result of:
          0.0493894 = score(doc=399,freq=2.0), product of:
            0.113765314 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.034743395 = 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)
      0.14285715 = coord(1/7)
    
    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
  13. Nacke, O.: Fehlerquellen bei der Zitatenanalyse (1980) 0.01
    0.007055629 = product of:
      0.0493894 = sum of:
        0.0493894 = weight(_text_:u in 400) [ClassicSimilarity], result of:
          0.0493894 = score(doc=400,freq=2.0), product of:
            0.113765314 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.034743395 = 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)
      0.14285715 = coord(1/7)
    
    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
  14. Meng, L.: ¬The creation of [the] Chinese Science Citation Database : status quo and future development (1997) 0.01
    0.0069305478 = product of:
      0.048513833 = sum of:
        0.048513833 = weight(_text_:l in 954) [ClassicSimilarity], result of:
          0.048513833 = score(doc=954,freq=2.0), product of:
            0.13809292 = queryWeight, product of:
              3.9746525 = idf(docFreq=2257, maxDocs=44218)
              0.034743395 = queryNorm
            0.35131297 = fieldWeight in 954, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.9746525 = idf(docFreq=2257, maxDocs=44218)
              0.0625 = fieldNorm(doc=954)
      0.14285715 = coord(1/7)
    
  15. Marx, W.: Wie mißt man Forschungsqualität? : der Science Citation Index - ein Maßstab für die Bewertung (1996) 0.01
    0.0063709305 = product of:
      0.044596512 = sum of:
        0.044596512 = weight(_text_:w in 5036) [ClassicSimilarity], result of:
          0.044596512 = score(doc=5036,freq=2.0), product of:
            0.13240033 = queryWeight, product of:
              3.8108058 = idf(docFreq=2659, maxDocs=44218)
              0.034743395 = 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)
      0.14285715 = coord(1/7)
    
  16. Thelwall, M.; Vaughan, L.; Björneborn, L.: Webometrics (2004) 0.01
    0.006125797 = product of:
      0.042880576 = sum of:
        0.042880576 = weight(_text_:l in 4279) [ClassicSimilarity], result of:
          0.042880576 = score(doc=4279,freq=4.0), product of:
            0.13809292 = queryWeight, product of:
              3.9746525 = idf(docFreq=2257, maxDocs=44218)
              0.034743395 = 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)
      0.14285715 = coord(1/7)
    
  17. Leydesdorff, L.: Theories of citation? (1999) 0.01
    0.0060642296 = product of:
      0.042449605 = sum of:
        0.042449605 = weight(_text_:l in 5130) [ClassicSimilarity], result of:
          0.042449605 = score(doc=5130,freq=2.0), product of:
            0.13809292 = queryWeight, product of:
              3.9746525 = idf(docFreq=2257, maxDocs=44218)
              0.034743395 = queryNorm
            0.30739886 = fieldWeight in 5130, 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=5130)
      0.14285715 = coord(1/7)
    
  18. Leydesdorff, L.: Dynamic and evolutionary updates of classificatory schemes in scientific journal structures (2002) 0.01
    0.0060642296 = product of:
      0.042449605 = sum of:
        0.042449605 = weight(_text_:l in 1249) [ClassicSimilarity], result of:
          0.042449605 = score(doc=1249,freq=2.0), product of:
            0.13809292 = queryWeight, product of:
              3.9746525 = idf(docFreq=2257, maxDocs=44218)
              0.034743395 = 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)
      0.14285715 = coord(1/7)
    
  19. Brody, T.; Harnad, S.; Carr, L.: Earlier Web usage statistics as predictors of later citation impact (2006) 0.01
    0.0060642296 = product of:
      0.042449605 = sum of:
        0.042449605 = weight(_text_:l in 165) [ClassicSimilarity], result of:
          0.042449605 = score(doc=165,freq=2.0), product of:
            0.13809292 = queryWeight, product of:
              3.9746525 = idf(docFreq=2257, maxDocs=44218)
              0.034743395 = 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)
      0.14285715 = coord(1/7)
    
  20. Glänzel, W.: Visual bibliometrics : eine visuelle Oberfläche zur Erweiterung der Nutzungsmöglichkeiten bibliographischer Datenbanken (1996) 0.01
    0.0055745644 = product of:
      0.03902195 = sum of:
        0.03902195 = weight(_text_:w in 6110) [ClassicSimilarity], result of:
          0.03902195 = score(doc=6110,freq=2.0), product of:
            0.13240033 = queryWeight, product of:
              3.8108058 = idf(docFreq=2659, maxDocs=44218)
              0.034743395 = 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)
      0.14285715 = coord(1/7)
    

Years

Languages

  • e 50
  • d 13
  • chi 1
  • More… Less…

Types

  • a 60
  • el 4
  • m 2
  • s 2
  • More… Less…

Classifications