Search (83 results, page 2 of 5)

  • × theme_ss:"Citation indexing"
  • × year_i:[1990 TO 2000}
  1. Page, L.; Brin, S.; Motwani, R.; Winograd, T.: ¬The PageRank citation ranking : Bringing order to the Web (1999) 0.00
    0.0024468089 = product of:
      0.0073404266 = sum of:
        0.0073404266 = weight(_text_:s in 496) [ClassicSimilarity], result of:
          0.0073404266 = score(doc=496,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.16817348 = fieldWeight in 496, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.109375 = fieldNorm(doc=496)
      0.33333334 = coord(1/3)
    
  2. Hauffe, H.: Zitationsanalysen : Editoral (1999) 0.00
    0.0024468089 = product of:
      0.0073404266 = sum of:
        0.0073404266 = weight(_text_:s in 4378) [ClassicSimilarity], result of:
          0.0073404266 = score(doc=4378,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.16817348 = fieldWeight in 4378, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.109375 = fieldNorm(doc=4378)
      0.33333334 = coord(1/3)
    
    Source
    Online Mitteilungen. 1999, Nr.65, S.3-6 [=Mitteilungen VÖB 52(1999) H.3/4]
  3. Göbel, S.: Aspekte der Mathematikliteratur : Untersuchungen in verschiedenen Datenbanken (1997) 0.00
    0.0019773203 = product of:
      0.005931961 = sum of:
        0.005931961 = weight(_text_:s in 2166) [ClassicSimilarity], result of:
          0.005931961 = score(doc=2166,freq=4.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.1359047 = fieldWeight in 2166, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0625 = fieldNorm(doc=2166)
      0.33333334 = coord(1/3)
    
    Source
    Mitteilungen der Deutschen Mathematiker-Vereinigung. 1997, H.2, S.48-53
  4. Piternick, A.B.: Name of an author! (1992) 0.00
    0.0017477208 = product of:
      0.005243162 = sum of:
        0.005243162 = weight(_text_:s in 3293) [ClassicSimilarity], result of:
          0.005243162 = score(doc=3293,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.120123915 = fieldWeight in 3293, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.078125 = fieldNorm(doc=3293)
      0.33333334 = coord(1/3)
    
    Source
    Indexer. 18(1992) no.2, S.95-100
  5. Stock, W.G.: Wissenschaftsevaluation mittels Datenbanken : methodisch einwandfrei? (1995) 0.00
    0.0017477208 = product of:
      0.005243162 = sum of:
        0.005243162 = weight(_text_:s in 2443) [ClassicSimilarity], result of:
          0.005243162 = score(doc=2443,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.120123915 = fieldWeight in 2443, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.078125 = fieldNorm(doc=2443)
      0.33333334 = coord(1/3)
    
    Source
    Spektrum der Wissenschaft. 1995, H.11, S.118-121
  6. Vinkler, P.: Relationships between the rate of scientific development and citations : the chance for citedness model (1996) 0.00
    0.0017477208 = product of:
      0.005243162 = sum of:
        0.005243162 = weight(_text_:s in 5077) [ClassicSimilarity], result of:
          0.005243162 = score(doc=5077,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.120123915 = fieldWeight in 5077, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.078125 = fieldNorm(doc=5077)
      0.33333334 = coord(1/3)
    
    Source
    Scientometrics. 35(1996) no.3, S.375-386
  7. Pichappan, P.: Levels of citation relation between papers (1996) 0.00
    0.0017477208 = product of:
      0.005243162 = sum of:
        0.005243162 = weight(_text_:s in 5725) [ClassicSimilarity], result of:
          0.005243162 = score(doc=5725,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.120123915 = fieldWeight in 5725, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.078125 = fieldNorm(doc=5725)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science. 47(1996) no.8, S.650-652
  8. Schlaffer, H.: Selbstzitat (1997) 0.00
    0.0017477208 = product of:
      0.005243162 = sum of:
        0.005243162 = weight(_text_:s in 7464) [ClassicSimilarity], result of:
          0.005243162 = score(doc=7464,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.120123915 = fieldWeight in 7464, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.078125 = fieldNorm(doc=7464)
      0.33333334 = coord(1/3)
    
    Source
    Frankfurter Rundschau. Nr.109 vom 13.5.1997, S.12
  9. ISI offers intranet access to its citation index databases (1997) 0.00
    0.0017477208 = product of:
      0.005243162 = sum of:
        0.005243162 = weight(_text_:s in 554) [ClassicSimilarity], result of:
          0.005243162 = score(doc=554,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.120123915 = fieldWeight in 554, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.078125 = fieldNorm(doc=554)
      0.33333334 = coord(1/3)
    
    Source
    Information today. 14(1997) no.4, S.1,26
  10. Rosenberg, V.: ¬An assessment of ISI's new Web of Science : ISI's services brings citiation indexing to new and advanced researchers (1998) 0.00
    0.0017477208 = product of:
      0.005243162 = sum of:
        0.005243162 = weight(_text_:s in 1885) [ClassicSimilarity], result of:
          0.005243162 = score(doc=1885,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.120123915 = fieldWeight in 1885, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.078125 = fieldNorm(doc=1885)
      0.33333334 = coord(1/3)
    
    Source
    Information today. 15(1998) no.3, S.21,61
  11. Cronin, B.; Weaver-Wozniak, S.: Online access to acknowledgements (1993) 0.00
    0.0017301554 = product of:
      0.005190466 = sum of:
        0.005190466 = weight(_text_:s in 7827) [ClassicSimilarity], result of:
          0.005190466 = score(doc=7827,freq=4.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.118916616 = fieldWeight in 7827, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0546875 = fieldNorm(doc=7827)
      0.33333334 = coord(1/3)
    
    Pages
    S.93-98
  12. Maricic, S.: Citation context versus the frequency counts of citation histories (1998) 0.00
    0.0017301554 = product of:
      0.005190466 = sum of:
        0.005190466 = weight(_text_:s in 3003) [ClassicSimilarity], result of:
          0.005190466 = score(doc=3003,freq=4.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.118916616 = fieldWeight in 3003, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0546875 = fieldNorm(doc=3003)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science. 49(1998) no.6, S.530-540
  13. Lawrence, S.; Giles, C.L.; Bollaker, K.: Digital libraries and Autonomous Citation Indexing (1999) 0.00
    0.0014829903 = product of:
      0.004448971 = sum of:
        0.004448971 = weight(_text_:s in 4951) [ClassicSimilarity], result of:
          0.004448971 = score(doc=4951,freq=4.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.101928525 = fieldWeight in 4951, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046875 = fieldNorm(doc=4951)
      0.33333334 = coord(1/3)
    
    Source
    IEEE Computer. 32(1999) no.6, S.67-71
  14. Howard, D.L.: What the eye sees while predicitng a document's pertinence from its citation (1991) 0.00
    0.0013981767 = product of:
      0.0041945297 = sum of:
        0.0041945297 = weight(_text_:s in 3675) [ClassicSimilarity], result of:
          0.0041945297 = score(doc=3675,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.09609913 = fieldWeight in 3675, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0625 = fieldNorm(doc=3675)
      0.33333334 = coord(1/3)
    
    Pages
    S.87-101
  15. Shaw, W.M.: Subject and citation indexing : pt.2: the optimal, cluster-based retrieval performance of composite representations (1991) 0.00
    0.0013981767 = product of:
      0.0041945297 = sum of:
        0.0041945297 = weight(_text_:s in 4842) [ClassicSimilarity], result of:
          0.0041945297 = score(doc=4842,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.09609913 = fieldWeight in 4842, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0625 = fieldNorm(doc=4842)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science. 42(1991) no.9, S.676-684
  16. Cronin, B.: Tiered citation and measures of document similarity (1994) 0.00
    0.0013981767 = product of:
      0.0041945297 = sum of:
        0.0041945297 = weight(_text_:s in 7773) [ClassicSimilarity], result of:
          0.0041945297 = score(doc=7773,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.09609913 = fieldWeight in 7773, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0625 = fieldNorm(doc=7773)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science. 45(1994) no.7, S.537-538
  17. Alvarez, P.; Pulgarin, A.: ¬The Rasch model : measuring the impact of scientific journals: analytical chemistry (1996) 0.00
    0.0013981767 = product of:
      0.0041945297 = sum of:
        0.0041945297 = weight(_text_:s in 8505) [ClassicSimilarity], result of:
          0.0041945297 = score(doc=8505,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.09609913 = fieldWeight in 8505, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0625 = fieldNorm(doc=8505)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science. 47(1996) no.6, S.458-467
  18. Korwitz, U.: Welchen 'Rang' hat ein Wissenschaftler? (1995) 0.00
    0.0013981767 = product of:
      0.0041945297 = sum of:
        0.0041945297 = weight(_text_:s in 2318) [ClassicSimilarity], result of:
          0.0041945297 = score(doc=2318,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.09609913 = fieldWeight in 2318, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0625 = fieldNorm(doc=2318)
      0.33333334 = coord(1/3)
    
    Source
    Nachrichten für Dokumentation. 46(1995) H.5, S.267-272
  19. Gering, E.: ¬Die Analyse von Online-Datenbanken : ein Instrument für das Beobachten von Forschungsaktivitäten; dargestellt an einem Forschungsfeld der Festkörperphysik (1995) 0.00
    0.0013981767 = product of:
      0.0041945297 = sum of:
        0.0041945297 = weight(_text_:s in 2660) [ClassicSimilarity], result of:
          0.0041945297 = score(doc=2660,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.09609913 = fieldWeight in 2660, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0625 = fieldNorm(doc=2660)
      0.33333334 = coord(1/3)
    
    Source
    Nachrichten für Dokumentation. 46(1995) H.6, S.359-373
  20. Persson, O.; Beckmann, M.: Locating the network of interacting authors in scientific specialities (1995) 0.00
    0.0013981767 = product of:
      0.0041945297 = sum of:
        0.0041945297 = weight(_text_:s in 3300) [ClassicSimilarity], result of:
          0.0041945297 = score(doc=3300,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.09609913 = fieldWeight in 3300, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0625 = fieldNorm(doc=3300)
      0.33333334 = coord(1/3)
    
    Source
    Scientometrics. 33(1995) no.3, S.351-366

Languages

  • e 70
  • d 11
  • chi 2
  • More… Less…

Types

  • a 80
  • el 1
  • m 1
  • s 1
  • More… Less…