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There are 29766 results for: content related to: Accounting for the uncertainty in the evaluation of percentile ranks

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    How can journal impact factors be normalized across fields of science? An assessment in terms of percentile ranks and fractional counts

    Journal of the American Society for Information Science and Technology

    Volume 64, Issue 1, January 2013, Pages: 96–107, Loet Leydesdorff, Ping Zhou and Lutz Bornmann

    Article first published online : 6 DEC 2012, DOI: 10.1002/asi.22765

  2. Mapping (USPTO) patent data using overlays to Google Maps

    Journal of the American Society for Information Science and Technology

    Volume 63, Issue 7, July 2012, Pages: 1442–1458, Loet Leydesdorff and Lutz Bornmann

    Article first published online : 4 MAY 2012, DOI: 10.1002/asi.22666

  3. Field-normalized impact factors (IFs): A comparison of rescaling and fractionally counted IFs

    Journal of the American Society for Information Science and Technology

    Volume 64, Issue 11, November 2013, Pages: 2299–2309, Loet Leydesdorff, Filippo Radicchi, Lutz Bornmann, Claudio Castellano and Wouter de Nooy

    Article first published online : 23 AUG 2013, DOI: 10.1002/asi.22911

  4. Interactive overlays of journals and the measurement of interdisciplinarity on the basis of aggregated journal–journal citations

    Journal of the American Society for Information Science and Technology

    Volume 64, Issue 12, December 2013, Pages: 2573–2586, Loet Leydesdorff, Ismael Rafols and Chaomei Chen

    Article first published online : 30 SEP 2013, DOI: 10.1002/asi.22946

  5. Turning the tables on citation analysis one more time: Principles for comparing sets of documents

    Journal of the American Society for Information Science and Technology

    Volume 62, Issue 7, July 2011, Pages: 1370–1381, Loet Leydesdorff, Lutz Bornmann, Rüdiger Mutz and Tobias Opthof

    Article first published online : 21 APR 2011, DOI: 10.1002/asi.21534

  6. Strategic intelligence on emerging technologies: Scientometric overlay mapping

    Journal of the Association for Information Science and Technology

    Daniele Rotolo, Ismael Rafols, Michael M. Hopkins and Loet Leydesdorff

    Article first published online : 23 DEC 2015, DOI: 10.1002/asi.23631

  7. Bibliometric perspectives on medical innovation using the medical subject Headings of PubMed

    Journal of the American Society for Information Science and Technology

    Volume 63, Issue 11, November 2012, Pages: 2239–2253, Loet Leydesdorff, Daniele Rotolo and Ismael Rafols

    Article first published online : 15 OCT 2012, DOI: 10.1002/asi.22715

  8. Percentile ranks and the integrated impact indicator (I3)

    Journal of the American Society for Information Science and Technology

    Volume 63, Issue 9, September 2012, Pages: 1901–1902, Loet Leydesdorff and Lutz Bornmann

    Article first published online : 10 APR 2012, DOI: 10.1002/asi.22641

  9. In search of a network theory of innovations: Relations, positions, and perspectives

    Journal of the Association for Information Science and Technology

    Volume 65, Issue 11, November 2014, Pages: 2359–2374, Loet Leydesdorff and Petra Ahrweiler

    Article first published online : 30 APR 2014, DOI: 10.1002/asi.23127

  10. The “academic trace” of the performance matrix: A mathematical synthesis of the h-index and the integrated impact indicator (I3)

    Journal of the Association for Information Science and Technology

    Volume 65, Issue 4, April 2014, Pages: 742–750, Fred Y. Ye and Loet Leydesdorff

    Article first published online : 21 NOV 2013, DOI: 10.1002/asi.23075

  11. Integrated impact indicators compared with impact factors: An alternative research design with policy implications

    Journal of the American Society for Information Science and Technology

    Volume 62, Issue 11, November 2011, Pages: 2133–2146, Loet Leydesdorff and Lutz Bornmann

    Article first published online : 8 AUG 2011, DOI: 10.1002/asi.21609

  12. Journal maps, interactive overlays, and the measurement of interdisciplinarity on the basis of Scopus data (1996–2012)

    Journal of the Association for Information Science and Technology

    Volume 66, Issue 5, May 2015, Pages: 1001–1016, Loet Leydesdorff, Félix de Moya-Anegón and Vicente P. Guerrero-Bote

    Article first published online : 14 JUL 2014, DOI: 10.1002/asi.23243

  13. Mutual redundancies in interhuman communication systems: Steps toward a calculus of processing meaning

    Journal of the Association for Information Science and Technology

    Volume 65, Issue 2, February 2014, Pages: 386–399, Loet Leydesdorff and Inga A. Ivanova

    Article first published online : 8 NOV 2013, DOI: 10.1002/asi.22973

  14. On the calculation of percentile-based bibliometric indicators

    Journal of the American Society for Information Science and Technology

    Volume 64, Issue 2, February 2013, Pages: 372–379, Ludo Waltman and Michael Schreiber

    Article first published online : 14 DEC 2012, DOI: 10.1002/asi.22775

  15. Group-based trajectory modeling (GBTM) of citations in scholarly literature: Dynamic qualities of “transient” and “sticky knowledge claims”

    Journal of the Association for Information Science and Technology

    Volume 65, Issue 4, April 2014, Pages: 797–811, Susanne E. Baumgartner and Loet Leydesdorff

    Article first published online : 20 NOV 2013, DOI: 10.1002/asi.23009

  16. Detecting the historical roots of research fields by reference publication year spectroscopy (RPYS)

    Journal of the Association for Information Science and Technology

    Volume 65, Issue 4, April 2014, Pages: 751–764, Werner Marx, Lutz Bornmann, Andreas Barth and Loet Leydesdorff

    Article first published online : 21 NOV 2013, DOI: 10.1002/asi.23089

  17. Citation analysis with medical subject Headings (MeSH) using the Web of Knowledge: A new routine

    Journal of the American Society for Information Science and Technology

    Volume 64, Issue 5, May 2013, Pages: 1076–1080, Loet Leydesdorff and Tobias Opthof

    Article first published online : 1 MAR 2013, DOI: 10.1002/asi.22770

  18. The Swedish system of innovation: Regional synergies in a knowledge-based economy

    Journal of the American Society for Information Science and Technology

    Volume 64, Issue 9, September 2013, Pages: 1890–1902, Loet Leydesdorff and Øivind Strand

    Article first published online : 10 JUL 2013, DOI: 10.1002/asi.22895

  19. How to analyze percentile citation impact data meaningfully in bibliometrics: The statistical analysis of distributions, percentile rank classes, and top-cited papers

    Journal of the American Society for Information Science and Technology

    Volume 64, Issue 3, March 2013, Pages: 587–595, Lutz Bornmann

    Article first published online : 30 JAN 2013, DOI: 10.1002/asi.22792

  20. Empirical evidence for the relevance of fractional scoring in the calculation of percentile rank scores

    Journal of the American Society for Information Science and Technology

    Volume 64, Issue 4, April 2013, Pages: 861–867, Michael Schreiber

    Article first published online : 19 FEB 2013, DOI: 10.1002/asi.22774