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) 0.02 
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    Date
    6.11.2005 19:02:22
    Source
    Journal of documentation. 59(2003) no.1, S.84-104
  2. Leydesdorff, L.; Sun, Y.: National and international dimensions of the Triple Helix in Japan : university-industry-government versus international coauthorship relations (2009) 0.02 
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    Date
    22. 3.2009 19:07:20
    Source
    Journal of the American Society for Information Science and Technology. 60(2009) no.4, S.778-788
  3. Leydesdorff, L.; Bensman, S.: Classification and Powerlaws : the logarithmic transformation (2006) 0.00 
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    Source
    Journal of the American Society for Information Science and Technology. 57(2006) no.11, S.1470-1486
  4. Leydesdorff, L.; Heimeriks, G.: ¬The self-organization of the European information society : the case of "biotechnology" (2001) 0.00 
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    Footnote
    Vgl. auch die Stellungnahme von P. van den Besselaar: Empirical evidence of self-organization? in: JASIST 54(2003) no.1, S.87-90.
    Source
    Journal of the American Society for Information Science and technology. 52(2001) no.14, S.1262-1274
  5. Leydesdorff, L.: Dynamic and evolutionary updates of classificatory schemes in scientific journal structures (2002) 0.00 
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    Source
    Journal of the American Society for Information Science and technology. 53(2002) no.12, S.987-994
  6. Leydesdorff, L.: Similarity measures, author cocitation Analysis, and information theory (2005) 0.00 
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    Source
    Journal of the American Society for Information Science and Technology. 56(2005) no.7, S.769-772
  7. Leydesdorff, L.: Clusters and maps of science journals based on bi-connected graphs in Journal Citation Reports (2004) 0.00 
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    Source
    Journal of documentation. 60(2004) no.4, S.371-427
  8. 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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    Source
    Journal of the American Society for Information Science and Technology. 56(2005) no.14, S.1469-1479
  9. 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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    Source
    Journal of the American Society for Information Science and Technology. 58(2007) no.2, S.223-236
  10. Leydesdorff, L.: Betweenness centrality as an indicator of the interdisciplinarity of scientific journals (2007) 0.00 
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    Source
    Journal of the American Society for Information Science and Technology. 58(2007) no.9, S.1303-1319
  11. 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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    Source
    Journal of the American Society for Information Science and Technology. 59(2008) no.1, S.77-85
  12. Leydesdorff, L.: Caveats for the use of citation indicators in research and journal evaluations (2008) 0.00 
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    Source
    Journal of the American Society for Information Science and Technology. 59(2008) no.2, S.278-287
  13. Leydesdorff, L.: Patent classifications as indicators of intellectual organization (2008) 0.00 
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    Source
    Journal of the American Society for Information Science and Technology. 59(2008) no.10, S.1582-1597
  14. Egghe, L.; Leydesdorff, L.: ¬The relation between Pearson's correlation coefficient r and Salton's cosine measure (2009) 0.00 
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    Journal of the American Society for Information Science and Technology. 60(2009) no.5, S.1027-1036
  15. 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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    Journal of the American Society for Information Science and Technology. 60(2009) no.6, S.1097-1117
  16. Leydesdorff, L.: How are new citation-based journal indicators adding to the bibliometric toolbox? (2009) 0.00 
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    Journal of the American Society for Information Science and Technology. 60(2009) no.7, S.1327-1336
  17. 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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    Journal of the American Society for Information Science and Technology. 60(2009) no.8, S.1709-1718
  18. 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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    Journal of the American Society for Information Science and Technology. 57(2006) no.12, S.1616-1628
  19. Leydesdorff, L.: Visualization of the citation impact environments of scientific journals : an online mapping exercise (2007) 0.00 
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    Journal of the American Society for Information Science and Technology. 58(2007) no.1, S.25-38
  20. Lucio-Arias, D.; Leydesdorff, L.: Main-path analysis and path-dependent transitions in HistCite(TM)-based historiograms (2008) 0.00 
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    Journal of the American Society for Information Science and Technology. 59(2008) no.12, S.1948-1962

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