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Overlay Maps of Science (2010 update) Ismael Rafols 1,2, Alan Porter 2 and Loet Leydesdorff 3 1 SPRU, University of Sussex, Brighton 2 School of Public.

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Presentation on theme: "Overlay Maps of Science (2010 update) Ismael Rafols 1,2, Alan Porter 2 and Loet Leydesdorff 3 1 SPRU, University of Sussex, Brighton 2 School of Public."— Presentation transcript:

1 Overlay Maps of Science (2010 update) Ismael Rafols 1,2, Alan Porter 2 and Loet Leydesdorff 3 1 SPRU, University of Sussex, Brighton 2 School of Public Policy, Georgia Institute Technology, Atlanta 3 Amsterdam School of Comm. Res. (ASCoR), Univ. Amsterdam Rafols, I., Porter, A. L. and Leydesdorff, L. (2010) Overlay science maps: a new tool for research policy and library management. Journal of the American Society for Information Science and Technology. 61(9), 871– PDF. Interactive Maps. Overlay toolkit.PDFInteractive MapsOverlay toolkit

2 Method from Rafols, Porter and Leydesdorff (2009) Physical Science and Engineering Psychology and Social Sciences Bio logy and Medicine Environmental S&T Global Map of Science, 2010 update 224 Web of Science Categories 4 Factors with Pajek

3 Method from Rafols, Porter and Leydesdorff (2009) Physical S&T Psychology and Social Issues Bio logy and Medicine Computer Sci. and Engineering Environmental S&T Social Sciences Global Map of Science, 2010 update 224 Web of Science Categories 6 Factors with Pajek

4 Method from Rafols, Porter and Leydesdorff (2009) Psychological Sci. Agri Sci Biomed Sci Chemistry Physics Mech Eng Environ Sci & Tech Materials Sci Infectious Diseases Clinical Psychology Social Studies Clinical Med Computer Sci Business & MGT Geosciences Ecol Sci Econ Polit & Geography Health & Social Issues Global Map of Science, 2010 update 224 Web of Science Categories 19 Factors with Pajek Math Methods

5 Method from Rafols, Porter and Leydesdorff (2009) Psychological Sci. Agri Sci Biomed Sci Chemistry Physics Mech Eng Environ Sci & Tech Materials Sci Infectious Diseases Clinical Psychology Social Studies Clinical Med Computer Sci Business & MGT Geosciences Ecol Sci Econ Polit & Geography Health & Social Issues Global Map of Science, 2010 update 224 Web of Science Categories Insert Pajek Image on top Math Methods

6 Global Map of Science, 2010 update 224 Web of Science Categories 4 Factors with VOSviewer Environmental S&T Bio logy and Medicine Psychology and Social Sciences Physical Sciences

7 Global Map of Science, 2010 update 224 Web of Science Categories 4 Factors with VOSviewer Environmental S&T Bio logy and Medicine Psychology and Social Sciences Physical Sciences

8 Global Map of Science, 2010 update 224 Web of Science Categories 6 Factors with VOSviewer Computer Sci & Engineering Psychology and Social Issues Bio logy and Medicine Social Sciences Environmental S&T Physical Sciences

9 Global Map of Science, 2010 update 224 Web of Science Categories 6 Factors with VOSviewer Computer Sci & Engineering Psychology and Social Issues Bio logy and Medicine Social Sciences Environmental S&T Physical Sciences

10 19 Factors'19 factors6 Factors6 factors4 clusters Agri Sci17Biology and Medicine1 1 Biomed Sci1Computer Sci. and Engineering6Environmental S&T4 Business & MGT14Environmental S&T3Physical Science and Engineering2 Chemistry16Physical S&T2Psychology and Social Sciences3 Clinical Med5Psychology and Social Issues4 Psychological Sci9Social Sciences5 Computer Sci3 Ecol Sci6 Econ Polit & Geography4 Environ Sci & Tech13 Geosciences7 Health & Social Issues10 Infectious Diseases15 Materials Sci2 Math Methods19 Mech Eng12 Physics18 Clinical Psychology8 Social Studies11

11 Examples Based on 2007 Global Science Map

12 Rafols, Porter and Leydesdorff (2009) Psychological Sci. Agri Sci Biomed Sci Chemistry Physics Engineering Env Sci & Tech Matls Sci Infectious Diseases Clinical Psychology Social Studies Clinical Med Computer Sci Business & MGT Geosciences Ecol Sci Econ Polit. & Geography Health & Social Issues Global Map of Science 221 Web of Science Categories 18 Factors

13 U. Amsterdam EMBLLSE Georgia Tech

14 Shell Nestlé Unilever Pfizer

15 NIH NSF BBSRC EPSRC

16 References Subject Category-based Science Maps Leydesdorff, L. and Rafols, I. (2009) A Global Map of Science Based on the ISI Subject Categories. Journal of the American Society for Information Science and Technology, 60(2), Rafols, I. and Leydesdorff, L. (2009). Content-based and Algorithmic Classifications of Journals: Perspectives on the Dynamics of Scientific Communication and Indexer Effects. Journal of the American Society for Information Science and Technology, 60(9), Overlay Rafols, I. and Meyer, M. (2010) Diversity and Network Coherence as indicators of interdisciplinarity: case studies in bionanoscience. Scientometrics, 82(2), Rafols, I., Porter, A.L. and Leydesdorff, L. (2010) Science overlay maps: A new tool for research policy and library management. Journal of the American Society for Information Science and Technology 61(9), 871–1887.Science overlay maps: A new tool for research policy and library management


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