Search (23 results, page 1 of 2)

  • × author_ss:"Leydesdorff, L."
  • × theme_ss:"Informetrie"
  • × year_i:[2000 TO 2010}
  1. Leydesdorff, L.: Can networks of journal-journal citations be used as indicators of change in the social sciences? (2003) 0.00 
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    Date
    10. 3.1997 20:31:13
    6.11.2005 19:02:22
    Language
    e
  2. Leydesdorff, L.; Sun, Y.: National and international dimensions of the Triple Helix in Japan : university-industry-government versus international coauthorship relations (2009) 0.00 
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    Date
    22. 3.2009 19:07:20
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  3. Leydesdorff, L.: Clusters and maps of science journals based on bi-connected graphs in Journal Citation Reports (2004) 0.00 
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    10. 3.1997 20:31:13
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  4. Egghe, L.; Leydesdorff, L.: ¬The relation between Pearson's correlation coefficient r and Salton's cosine measure (2009) 0.00 
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    Date
    18. 4.2009 20:54:30
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  5. Leydesdorff, L.: How are new citation-based journal indicators adding to the bibliometric toolbox? (2009) 0.00 
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    Date
    19. 7.2009 12:23:20
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  6. Lucio-Arias, D.; Leydesdorff, L.: ¬An indicator of research front activity : measuring intellectual organization as uncertainty reduction in document sets (2009) 0.00 
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    Date
    2. 2.2010 19:29:29
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  7. Leydesdorff, L.; Heimeriks, G.: ¬The self-organization of the European information society : the case of "biotechnology" (2001) 0.00 
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    Date
    11. 1.2003 20:01:15
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  8. Leydesdorff, L.: Dynamic and evolutionary updates of classificatory schemes in scientific journal structures (2002) 0.00 
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  9. Leydesdorff, L.: Similarity measures, author cocitation Analysis, and information theory (2005) 0.00 
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  10. Leydesdorff, L.; Bihui, J.: Mapping the Chinese Science Citation Database in terms of aggregated journal-journal citation relations (2005) 0.00 
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  11. Leydesdorff, L.; Bensman, S.: Classification and Powerlaws : the logarithmic transformation (2006) 0.00 
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  12. 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) 0.00 
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  13. Leydesdorff, L.: Betweenness centrality as an indicator of the interdisciplinarity of scientific journals (2007) 0.00 
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  14. Leydesdorff, L.: On the normalization and visualization of author co-citation data : Salton's Cosine versus the Jaccard index (2008) 0.00 
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  15. Leydesdorff, L.: Caveats for the use of citation indicators in research and journal evaluations (2008) 0.00 
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  16. Leydesdorff, L.: Patent classifications as indicators of intellectual organization (2008) 0.00 
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  17. Bensman, S.J.; Leydesdorff, L.: Definition and identification of journals as bibliographic and subject entities : librarianship versus ISI Journal Citation Reports methods and their effect on citation measures (2009) 0.00 
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  18. Leydesdorff, L.; Probst, C.: ¬The delineation of an interdisciplinary specialty in terms of a journal set : the case of communication studies (2009) 0.00 
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  19. Leydesdorff, L.; Vaughan, L.: Co-occurrence matrices and their applications in information science : extending ACA to the Web environment (2006) 0.00 
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  20. Leydesdorff, L.: Visualization of the citation impact environments of scientific journals : an online mapping exercise (2007) 0.00 
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