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There are 2715 results for: content related to: Science overlay maps: A new tool for research policy and library management

  1. 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

  2. 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

    Loet Leydesdorff, Félix de Moya-Anegón and Vicente P. Guerrero-Bote

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

  3. The structure of the Arts & Humanities Citation Index: A mapping on the basis of aggregated citations among 1,157 journals

    Journal of the American Society for Information Science and Technology

    Volume 62, Issue 12, December 2011, Pages: 2414–2426, Loet Leydesdorff, Björn Hammarfelt and Almila Salah

    Article first published online : 9 SEP 2011, DOI: 10.1002/asi.21636

  4. 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

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    Interdisciplinarity at the journal and specialty level: The changing knowledge bases of the journal cognitive science

    Journal of the Association for Information Science and Technology

    Volume 65, Issue 1, January 2014, Pages: 164–177, Loet Leydesdorff and Robert L. Goldstone

    Article first published online : 9 OCT 2013, DOI: 10.1002/asi.22953

  6. 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

  7. 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

  8. 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

  9. Patent overlay mapping: Visualizing technological distance

    Journal of the Association for Information Science and Technology

    Volume 65, Issue 12, December 2014, Pages: 2432–2443, Luciano Kay, Nils Newman, Jan Youtie, Alan L. Porter and Ismael Rafols

    Article first published online : 7 MAY 2014, DOI: 10.1002/asi.23146

  10. You have free access to this content
    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

  11. Local emergence and global diffusion of research technologies: An exploration of patterns of network formation

    Journal of the American Society for Information Science and Technology

    Volume 62, Issue 5, May 2011, Pages: 846–860, Loet Leydesdorff and Ismael Rafols

    Article first published online : 15 MAR 2011, DOI: 10.1002/asi.21509

  12. Patterns of connections and movements in dual-map overlays: A new method of publication portfolio analysis

    Journal of the Association for Information Science and Technology

    Volume 65, Issue 2, February 2014, Pages: 334–351, Chaomei Chen and Loet Leydesdorff

    Article first published online : 1 NOV 2013, DOI: 10.1002/asi.22968

  13. Science mapping software tools: Review, analysis, and cooperative study among tools

    Journal of the American Society for Information Science and Technology

    Volume 62, Issue 7, July 2011, Pages: 1382–1402, M.J. Cobo, A.G. López-Herrera, E. Herrera-Viedma and F. Herrera

    Article first published online : 2 MAY 2011, DOI: 10.1002/asi.21525

  14. How to evaluate universities in terms of their relative citation impacts: Fractional counting of citations and the normalization of differences among disciplines

    Journal of the American Society for Information Science and Technology

    Volume 62, Issue 6, June 2011, Pages: 1146–1155, Loet Leydesdorff and Jung C. Shin

    Article first published online : 21 MAR 2011, DOI: 10.1002/asi.21511

  15. 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

  16. 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

  17. How fractional counting of citations affects the impact factor: Normalization in terms of differences in citation potentials among fields of science

    Journal of the American Society for Information Science and Technology

    Volume 62, Issue 2, February 2011, Pages: 217–229, Loet Leydesdorff and Lutz Bornmann

    Article first published online : 15 NOV 2010, DOI: 10.1002/asi.21450

  18. Mapping the geography of science: Distribution patterns and networks of relations among cities and institutes

    Journal of the American Society for Information Science and Technology

    Volume 61, Issue 8, August 2010, Pages: 1622–1634, Loet Leydesdorff and Olle Persson

    Article first published online : 19 APR 2010, DOI: 10.1002/asi.21347

  19. Finding knowledge paths among scientific disciplines

    Journal of the Association for Information Science and Technology

    Volume 65, Issue 11, November 2014, Pages: 2331–2347, Erjia Yan

    Article first published online : 11 APR 2014, DOI: 10.1002/asi.23106

  20. “Books” and “book chapters” in the book citation index (BKCI) and science citation index (SCI, SoSCI, A&HCI)

    Proceedings of the American Society for Information Science and Technology

    Volume 49, Issue 1, 2012, Pages: 1–7, Loet Leydesdorff and Ulrike Felt

    Article first published online : 24 JAN 2013, DOI: 10.1002/meet.14504901027