Search (35 results, page 1 of 2)

  • × language_ss:"e"
  • × theme_ss:"Citation indexing"
  • × type_ss:"a"
  1. Williams, R.M.: ISI search network research front specialities (1983) 0.01
    0.013868235 = product of:
      0.05547294 = sum of:
        0.030368807 = weight(_text_:der in 445) [ClassicSimilarity], result of:
          0.030368807 = score(doc=445,freq=2.0), product of:
            0.087893516 = queryWeight, product of:
              2.2337668 = idf(docFreq=12875, maxDocs=44218)
              0.039347667 = queryNorm
            0.34551817 = fieldWeight in 445, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.2337668 = idf(docFreq=12875, maxDocs=44218)
              0.109375 = fieldNorm(doc=445)
        0.025104133 = product of:
          0.0753124 = sum of:
            0.0753124 = weight(_text_:29 in 445) [ClassicSimilarity], result of:
              0.0753124 = score(doc=445,freq=2.0), product of:
                0.13841279 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.039347667 = queryNorm
                0.5441145 = fieldWeight in 445, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.109375 = fieldNorm(doc=445)
          0.33333334 = coord(1/3)
      0.25 = coord(2/8)
    
    Source
    Deutscher Dokumentartag 1982, Lübeck-Travemünde, 29.-30.9.1982: Fachinformation im Zeitalter der Informationsindustrie. Bearb.: H. Strohl-Goebel
  2. MacRoberts, M.H.; MacRoberts, B.R.: Author motivation for not citing influences : a methodological note (1988) 0.01
    0.01281323 = product of:
      0.05125292 = sum of:
        0.02562646 = weight(_text_:und in 648) [ClassicSimilarity], result of:
          0.02562646 = score(doc=648,freq=2.0), product of:
            0.087208875 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.039347667 = queryNorm
            0.29385152 = fieldWeight in 648, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.09375 = fieldNorm(doc=648)
        0.02562646 = weight(_text_:und in 648) [ClassicSimilarity], result of:
          0.02562646 = score(doc=648,freq=2.0), product of:
            0.087208875 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.039347667 = queryNorm
            0.29385152 = fieldWeight in 648, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.09375 = fieldNorm(doc=648)
      0.25 = coord(2/8)
    
    Footnote
    Stellungnahme zu: Brooks, T.A.: Private acts and private objects: an investigation of citer motivations und Brooks, T.A.: Evidence of complex citer motivation
  3. Van der Veer Martens, B.: Do citation systems represent theories of truth? (2001) 0.01
    0.011705723 = product of:
      0.04682289 = sum of:
        0.021692004 = weight(_text_:der in 3925) [ClassicSimilarity], result of:
          0.021692004 = score(doc=3925,freq=2.0), product of:
            0.087893516 = queryWeight, product of:
              2.2337668 = idf(docFreq=12875, maxDocs=44218)
              0.039347667 = queryNorm
            0.2467987 = fieldWeight in 3925, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.2337668 = idf(docFreq=12875, maxDocs=44218)
              0.078125 = fieldNorm(doc=3925)
        0.025130887 = product of:
          0.075392656 = sum of:
            0.075392656 = weight(_text_:22 in 3925) [ClassicSimilarity], result of:
              0.075392656 = score(doc=3925,freq=4.0), product of:
                0.13778883 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.039347667 = 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)
      0.25 = coord(2/8)
    
    Date
    22. 7.2006 15:22:28
  4. Göbel, S.: What the Citation Index is good for (1997) 0.01
    0.0106776925 = product of:
      0.04271077 = sum of:
        0.021355385 = weight(_text_:und in 376) [ClassicSimilarity], result of:
          0.021355385 = score(doc=376,freq=2.0), product of:
            0.087208875 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.039347667 = queryNorm
            0.24487628 = fieldWeight in 376, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.078125 = fieldNorm(doc=376)
        0.021355385 = weight(_text_:und in 376) [ClassicSimilarity], result of:
          0.021355385 = score(doc=376,freq=2.0), product of:
            0.087208875 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.039347667 = queryNorm
            0.24487628 = fieldWeight in 376, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.078125 = fieldNorm(doc=376)
      0.25 = coord(2/8)
    
    Footnote
    Ein Leserbrief zu Sinn und Nutzen des Science Citation Index als Erwiderung auf einen Beitrag von A. Octavio in Mathematical intelligencer 18(1996) no.4, S.9-11
  5. Van der Veer Martens, B.; Goodrum, G.: ¬The diffusion of theories : a functional approach (2006) 0.01
    0.006905889 = product of:
      0.027623557 = sum of:
        0.015184403 = weight(_text_:der in 5269) [ClassicSimilarity], result of:
          0.015184403 = score(doc=5269,freq=2.0), product of:
            0.087893516 = queryWeight, product of:
              2.2337668 = idf(docFreq=12875, maxDocs=44218)
              0.039347667 = queryNorm
            0.17275909 = fieldWeight in 5269, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.2337668 = idf(docFreq=12875, maxDocs=44218)
              0.0546875 = fieldNorm(doc=5269)
        0.012439154 = product of:
          0.037317462 = sum of:
            0.037317462 = weight(_text_:22 in 5269) [ClassicSimilarity], result of:
              0.037317462 = score(doc=5269,freq=2.0), product of:
                0.13778883 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.039347667 = queryNorm
                0.2708308 = fieldWeight in 5269, 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=5269)
          0.33333334 = coord(1/3)
      0.25 = coord(2/8)
    
    Date
    22. 7.2006 15:20:01
  6. Nicolaisen, J.: Citation analysis (2007) 0.00
    0.003554044 = product of:
      0.028432352 = sum of:
        0.028432352 = product of:
          0.085297056 = sum of:
            0.085297056 = weight(_text_:22 in 6091) [ClassicSimilarity], result of:
              0.085297056 = score(doc=6091,freq=2.0), product of:
                0.13778883 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.039347667 = 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)
      0.125 = coord(1/8)
    
    Date
    13. 7.2008 19:53:22
  7. Døsen, K.: One more reference on self-reference (1992) 0.00
    0.003554044 = product of:
      0.028432352 = sum of:
        0.028432352 = product of:
          0.085297056 = sum of:
            0.085297056 = weight(_text_:22 in 4604) [ClassicSimilarity], result of:
              0.085297056 = score(doc=4604,freq=2.0), product of:
                0.13778883 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.039347667 = queryNorm
                0.61904186 = fieldWeight in 4604, 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=4604)
          0.33333334 = coord(1/3)
      0.125 = coord(1/8)
    
    Date
    7. 2.2005 14:10:22
  8. Garfield, E.: Agony and ecstasy of the Internet : experiences of an information scientist qua publisher (1996) 0.00
    0.0018980504 = product of:
      0.015184403 = sum of:
        0.015184403 = weight(_text_:der in 3044) [ClassicSimilarity], result of:
          0.015184403 = score(doc=3044,freq=2.0), product of:
            0.087893516 = queryWeight, product of:
              2.2337668 = idf(docFreq=12875, maxDocs=44218)
              0.039347667 = queryNorm
            0.17275909 = fieldWeight in 3044, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.2337668 = idf(docFreq=12875, maxDocs=44218)
              0.0546875 = fieldNorm(doc=3044)
      0.125 = coord(1/8)
    
    Series
    Veröffentlichungen der Universitätsbibliothek Essen; 21
  9. Larivière, V.; Gingras, Y.; Archambault, E.: ¬The decline in the concentration of citations, 1900-2007 (2009) 0.00
    0.0018848166 = product of:
      0.0150785325 = sum of:
        0.0150785325 = product of:
          0.045235597 = sum of:
            0.045235597 = weight(_text_:22 in 2763) [ClassicSimilarity], result of:
              0.045235597 = score(doc=2763,freq=4.0), product of:
                0.13778883 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.039347667 = 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)
          0.33333334 = coord(1/3)
      0.125 = coord(1/8)
    
    Date
    22. 3.2009 19:22:35
  10. Pao, M.L.: Term and citation retrieval : a field study (1993) 0.00
    0.0017931525 = product of:
      0.01434522 = sum of:
        0.01434522 = product of:
          0.04303566 = sum of:
            0.04303566 = weight(_text_:29 in 3741) [ClassicSimilarity], result of:
              0.04303566 = score(doc=3741,freq=2.0), product of:
                0.13841279 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.039347667 = queryNorm
                0.31092256 = fieldWeight in 3741, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0625 = fieldNorm(doc=3741)
          0.33333334 = coord(1/3)
      0.125 = coord(1/8)
    
    Source
    Information processing and management. 29(1993) no.1, S.95-112
  11. Rousseau, R.: Timelines in citation research (2006) 0.00
    0.0017931525 = product of:
      0.01434522 = sum of:
        0.01434522 = product of:
          0.04303566 = sum of:
            0.04303566 = weight(_text_:29 in 1746) [ClassicSimilarity], result of:
              0.04303566 = score(doc=1746,freq=2.0), product of:
                0.13841279 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.039347667 = queryNorm
                0.31092256 = fieldWeight in 1746, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0625 = fieldNorm(doc=1746)
          0.33333334 = coord(1/3)
      0.125 = coord(1/8)
    
    Date
    18. 8.2006 14:29:40
  12. Garfield, E.; Pudovkin, A.I.; Istomin, V.S.: Why do we need algorithmic historiography? (2003) 0.00
    0.0017931525 = product of:
      0.01434522 = sum of:
        0.01434522 = product of:
          0.04303566 = sum of:
            0.04303566 = weight(_text_:29 in 1606) [ClassicSimilarity], result of:
              0.04303566 = score(doc=1606,freq=2.0), product of:
                0.13841279 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.039347667 = queryNorm
                0.31092256 = fieldWeight in 1606, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0625 = fieldNorm(doc=1606)
          0.33333334 = coord(1/3)
      0.125 = coord(1/8)
    
    Date
    29. 3.2003 19:52:23
  13. Kurtz, M.J.; Eichhorn, G.; Accomazzi, A.; Grant, C.; Demleitner, M.; Henneken, E.; Murray, S.S.: ¬The effect of use and access on citations (2005) 0.00
    0.0017931525 = product of:
      0.01434522 = sum of:
        0.01434522 = product of:
          0.04303566 = sum of:
            0.04303566 = weight(_text_:29 in 1064) [ClassicSimilarity], result of:
              0.04303566 = score(doc=1064,freq=2.0), product of:
                0.13841279 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.039347667 = queryNorm
                0.31092256 = fieldWeight in 1064, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0625 = fieldNorm(doc=1064)
          0.33333334 = coord(1/3)
      0.125 = coord(1/8)
    
    Date
    27.12.2007 17:16:29
  14. Bensman, S.J.: Eugene Garfield, Francis Narin, and PageRank : the theoretical bases of the Google search engine (2013) 0.00
    0.001777022 = product of:
      0.014216176 = sum of:
        0.014216176 = product of:
          0.042648528 = sum of:
            0.042648528 = weight(_text_:22 in 1149) [ClassicSimilarity], result of:
              0.042648528 = score(doc=1149,freq=2.0), product of:
                0.13778883 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.039347667 = queryNorm
                0.30952093 = fieldWeight in 1149, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0625 = fieldNorm(doc=1149)
          0.33333334 = coord(1/3)
      0.125 = coord(1/8)
    
    Date
    17.12.2013 11:02:22
  15. East, J.W.: Citations to conference papers and the implications for cataloging (1985) 0.00
    0.0015690083 = product of:
      0.012552067 = sum of:
        0.012552067 = product of:
          0.0376562 = sum of:
            0.0376562 = weight(_text_:29 in 7928) [ClassicSimilarity], result of:
              0.0376562 = score(doc=7928,freq=2.0), product of:
                0.13841279 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.039347667 = queryNorm
                0.27205724 = fieldWeight in 7928, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=7928)
          0.33333334 = coord(1/3)
      0.125 = coord(1/8)
    
    Source
    Library resources and technical services. 29(1985), S.189-194
  16. Morris, S.A.; Yen, G.; Wu, Z.; Asnake, B.: Time line visualization of research fronts (2003) 0.00
    0.0015690083 = product of:
      0.012552067 = sum of:
        0.012552067 = product of:
          0.0376562 = sum of:
            0.0376562 = weight(_text_:29 in 1452) [ClassicSimilarity], result of:
              0.0376562 = score(doc=1452,freq=2.0), product of:
                0.13841279 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.039347667 = queryNorm
                0.27205724 = fieldWeight in 1452, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=1452)
          0.33333334 = coord(1/3)
      0.125 = coord(1/8)
    
    Date
    29. 3.2003 19:51:59
  17. Garfield, E.: Recollections of Irving H. Sher 1924-1996 : Polymath/information scientist extraordinaire (2001) 0.00
    0.0015548943 = product of:
      0.012439154 = sum of:
        0.012439154 = product of:
          0.037317462 = sum of:
            0.037317462 = weight(_text_:22 in 6920) [ClassicSimilarity], result of:
              0.037317462 = score(doc=6920,freq=2.0), product of:
                0.13778883 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.039347667 = 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)
      0.125 = coord(1/8)
    
    Date
    16.12.2001 14:01:22
  18. Tay, A.: ¬The next generation discovery citation indexes : a review of the landscape in 2020 (2020) 0.00
    0.0015548943 = product of:
      0.012439154 = sum of:
        0.012439154 = product of:
          0.037317462 = sum of:
            0.037317462 = weight(_text_:22 in 40) [ClassicSimilarity], result of:
              0.037317462 = score(doc=40,freq=2.0), product of:
                0.13778883 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.039347667 = queryNorm
                0.2708308 = fieldWeight in 40, 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=40)
          0.33333334 = coord(1/3)
      0.125 = coord(1/8)
    
    Date
    17.11.2020 12:22:59
  19. Chen, C.; Paul, R.J.; O'Keefe, B.: Fitting the Jigsaw of citation : information visualization in domain analysis (2001) 0.00
    0.0013448645 = product of:
      0.010758916 = sum of:
        0.010758916 = product of:
          0.032276746 = sum of:
            0.032276746 = weight(_text_:29 in 5766) [ClassicSimilarity], result of:
              0.032276746 = score(doc=5766,freq=2.0), product of:
                0.13841279 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.039347667 = queryNorm
                0.23319192 = fieldWeight in 5766, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.046875 = fieldNorm(doc=5766)
          0.33333334 = coord(1/3)
      0.125 = coord(1/8)
    
    Date
    29. 9.2001 14:00:53
  20. Davis, P.M.; Cohen, S.A.: ¬The effect of the Web on undergraduate citation behavior 1996-1999 (2001) 0.00
    0.0013448645 = product of:
      0.010758916 = sum of:
        0.010758916 = product of:
          0.032276746 = sum of:
            0.032276746 = weight(_text_:29 in 5768) [ClassicSimilarity], result of:
              0.032276746 = score(doc=5768,freq=2.0), product of:
                0.13841279 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.039347667 = queryNorm
                0.23319192 = fieldWeight in 5768, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.046875 = fieldNorm(doc=5768)
          0.33333334 = coord(1/3)
      0.125 = coord(1/8)
    
    Date
    29. 9.2001 14:01:09