Search (86 results, page 1 of 5)

  1. Leydesdorff, L.: ¬The generation of aggregated journal-journal citation maps on the basis of the CD-ROM version of the Science Citation Index (1994) 7.20
    7.1969824 = weight(author_ss:Leydesdorff, L. in 281) [ClassicSimilarity], result of:
      7.1969824 = fieldWeight in 281, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        7.1969824 = idf(docFreq=86, maxDocs=42740)
        1.0 = fieldNorm(doc=281)
    
    Author
    Leydesdorff, L.
  2. Leydesdorff, L.: Why words and co-word cannot map the development of the science (1997) 7.20
    7.1969824 = weight(author_ss:Leydesdorff, L. in 1148) [ClassicSimilarity], result of:
      7.1969824 = fieldWeight in 1148, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        7.1969824 = idf(docFreq=86, maxDocs=42740)
        1.0 = fieldNorm(doc=1148)
    
    Author
    Leydesdorff, L.
  3. Leydesdorff, L.: Theories of citation? (1999) 7.20
    7.1969824 = weight(author_ss:Leydesdorff, L. in 46) [ClassicSimilarity], result of:
      7.1969824 = fieldWeight in 46, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        7.1969824 = idf(docFreq=86, maxDocs=42740)
        1.0 = fieldNorm(doc=46)
    
    Author
    Leydesdorff, L.
  4. Leydesdorff, L.; Heimeriks, G.: ¬The self-organization of the European information society : the case of "biotechnology" (2001) 7.20
    7.1969824 = weight(author_ss:Leydesdorff, L. in 525) [ClassicSimilarity], result of:
      7.1969824 = fieldWeight in 525, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        7.1969824 = idf(docFreq=86, maxDocs=42740)
        1.0 = fieldNorm(doc=525)
    
    Author
    Leydesdorff, L.
  5. Leydesdorff, L.: ¬A sociological theory of communication : the self-organization of the knowledge-based society (2001) 7.20
    7.1969824 = weight(author_ss:Leydesdorff, L. in 1185) [ClassicSimilarity], result of:
      7.1969824 = fieldWeight in 1185, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        7.1969824 = idf(docFreq=86, maxDocs=42740)
        1.0 = fieldNorm(doc=1185)
    
    Author
    Leydesdorff, L.
  6. Leydesdorff, L.: Dynamic and evolutionary updates of classificatory schemes in scientific journal structures (2002) 7.20
    7.1969824 = weight(author_ss:Leydesdorff, L. in 2250) [ClassicSimilarity], result of:
      7.1969824 = fieldWeight in 2250, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        7.1969824 = idf(docFreq=86, maxDocs=42740)
        1.0 = fieldNorm(doc=2250)
    
    Author
    Leydesdorff, L.
  7. Leydesdorff, L.: ¬The construction and globalization of the knowledge base in inter-human communication systems (2003) 7.20
    7.1969824 = weight(author_ss:Leydesdorff, L. in 2622) [ClassicSimilarity], result of:
      7.1969824 = fieldWeight in 2622, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        7.1969824 = idf(docFreq=86, maxDocs=42740)
        1.0 = fieldNorm(doc=2622)
    
    Author
    Leydesdorff, L.
  8. Leydesdorff, L.: ¬The university-industry knowledge relationship : analyzing patents and the science base of technologies (2004) 7.20
    7.1969824 = weight(author_ss:Leydesdorff, L. in 3888) [ClassicSimilarity], result of:
      7.1969824 = fieldWeight in 3888, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        7.1969824 = idf(docFreq=86, maxDocs=42740)
        1.0 = fieldNorm(doc=3888)
    
    Author
    Leydesdorff, L.
  9. Leydesdorff, L.: Similarity measures, author cocitation Analysis, and information theory (2005) 7.20
    7.1969824 = weight(author_ss:Leydesdorff, L. in 4472) [ClassicSimilarity], result of:
      7.1969824 = fieldWeight in 4472, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        7.1969824 = idf(docFreq=86, maxDocs=42740)
        1.0 = fieldNorm(doc=4472)
    
    Author
    Leydesdorff, L.
  10. Leydesdorff, L.: Clusters and maps of science journals based on bi-connected graphs in Journal Citation Reports (2004) 7.20
    7.1969824 = weight(author_ss:Leydesdorff, L. in 428) [ClassicSimilarity], result of:
      7.1969824 = fieldWeight in 428, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        7.1969824 = idf(docFreq=86, maxDocs=42740)
        1.0 = fieldNorm(doc=428)
    
    Author
    Leydesdorff, L.
  11. Leydesdorff, L.: Can networks of journal-journal citations be used as indicators of change in the social sciences? (2003) 7.20
    7.1969824 = weight(author_ss:Leydesdorff, L. in 461) [ClassicSimilarity], result of:
      7.1969824 = fieldWeight in 461, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        7.1969824 = idf(docFreq=86, maxDocs=42740)
        1.0 = fieldNorm(doc=461)
    
    Author
    Leydesdorff, L.
  12. Leydesdorff, L.; Bihui, J.: Mapping the Chinese Science Citation Database in terms of aggregated journal-journal citation relations (2005) 7.20
    7.1969824 = weight(author_ss:Leydesdorff, L. in 814) [ClassicSimilarity], result of:
      7.1969824 = fieldWeight in 814, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        7.1969824 = idf(docFreq=86, maxDocs=42740)
        1.0 = fieldNorm(doc=814)
    
    Author
    Leydesdorff, L.
  13. Leydesdorff, L.: Can scientific journals be classified in terms of aggregated journal-journal citation relations using the Journal Citation Reports? (2006) 7.20
    7.1969824 = weight(author_ss:Leydesdorff, L. in 47) [ClassicSimilarity], result of:
      7.1969824 = fieldWeight in 47, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        7.1969824 = idf(docFreq=86, maxDocs=42740)
        1.0 = fieldNorm(doc=47)
    
    Author
    Leydesdorff, L.
  14. Leydesdorff, L.; Bensman, S.: Classification and Powerlaws : the logarithmic transformation (2006) 7.20
    7.1969824 = weight(author_ss:Leydesdorff, L. in 1008) [ClassicSimilarity], result of:
      7.1969824 = fieldWeight in 1008, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        7.1969824 = idf(docFreq=86, maxDocs=42740)
        1.0 = fieldNorm(doc=1008)
    
    Author
    Leydesdorff, L.
  15. Leydesdorff, L.; Vaughan, L.: Co-occurrence matrices and their applications in information science : extending ACA to the Web environment (2006) 7.20
    7.1969824 = weight(author_ss:Leydesdorff, L. in 1114) [ClassicSimilarity], result of:
      7.1969824 = fieldWeight in 1114, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        7.1969824 = idf(docFreq=86, maxDocs=42740)
        1.0 = fieldNorm(doc=1114)
    
    Author
    Leydesdorff, L.
  16. Zhou, P.; Leydesdorff, L.: ¬A comparison between the China Scientific and Technical Papers and Citations Database and the Science Citation Index in terms of journal hierarchies and interjournal citation relations (2007) 7.20
    7.1969824 = weight(author_ss:Leydesdorff, L. in 2071) [ClassicSimilarity], result of:
      7.1969824 = fieldWeight in 2071, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        7.1969824 = idf(docFreq=86, maxDocs=42740)
        1.0 = fieldNorm(doc=2071)
    
    Author
    Leydesdorff, L.
  17. Leydesdorff, L.: Visualization of the citation impact environments of scientific journals : an online mapping exercise (2007) 7.20
    7.1969824 = weight(author_ss:Leydesdorff, L. in 2083) [ClassicSimilarity], result of:
      7.1969824 = fieldWeight in 2083, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        7.1969824 = idf(docFreq=86, maxDocs=42740)
        1.0 = fieldNorm(doc=2083)
    
    Author
    Leydesdorff, L.
  18. Leydesdorff, L.: Betweenness centrality as an indicator of the interdisciplinarity of scientific journals (2007) 7.20
    7.1969824 = weight(author_ss:Leydesdorff, L. in 2454) [ClassicSimilarity], result of:
      7.1969824 = fieldWeight in 2454, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        7.1969824 = idf(docFreq=86, maxDocs=42740)
        1.0 = fieldNorm(doc=2454)
    
    Author
    Leydesdorff, L.
  19. Leydesdorff, L.: Should co-occurrence data be normalized : a rejoinder (2007) 7.20
    7.1969824 = weight(author_ss:Leydesdorff, L. in 2628) [ClassicSimilarity], result of:
      7.1969824 = fieldWeight in 2628, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        7.1969824 = idf(docFreq=86, maxDocs=42740)
        1.0 = fieldNorm(doc=2628)
    
    Author
    Leydesdorff, L.
  20. Leydesdorff, L.: On the normalization and visualization of author co-citation data : Salton's Cosine versus the Jaccard index (2008) 7.20
    7.1969824 = weight(author_ss:Leydesdorff, L. in 3342) [ClassicSimilarity], result of:
      7.1969824 = fieldWeight in 3342, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        7.1969824 = idf(docFreq=86, maxDocs=42740)
        1.0 = fieldNorm(doc=3342)
    
    Author
    Leydesdorff, L.