Overlay Maps of Science (2010 update)

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Presentation transcript:

Overlay Maps of Science (2010 update) Ismael Rafols1,2, Alan Porter2 and Loet Leydesdorff3 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), 871–1887. PDF. Interactive Maps. Overlay toolkit.

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

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

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

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

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

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

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

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

19 Factors' 19 factors 6 Factors 6 factors 4 clusters Agri Sci 17 Biology and Medicine 1 Biomed Sci Computer Sci. and Engineering 6 Environmental S&T 4 Business & MGT 14 3 Physical Science and Engineering 2 Chemistry 16 Physical S&T Psychology and Social Sciences Clinical Med 5 Psychology and Social Issues Psychological Sci 9 Social Sciences Computer Sci Ecol Sci Econ Polit & Geography Environ Sci & Tech 13 Geosciences 7 Health & Social Issues 10 Infectious Diseases 15 Materials Sci Math Methods 19 Mech Eng 12 Physics 18 Clinical Psychology 8 Social Studies 11

Based on 2007 Global Science Map Examples Based on 2007 Global Science Map

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

U. Amsterdam Georgia Tech Period: 2000-2009 Details in paper EMBL LSE

Pfizer Nestlé Shell Unilever

NIH NSF BBSRC EPSRC

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), 348-362. 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), 1823-1835. Overlay Rafols, I. and Meyer, M. (2010) Diversity and Network Coherence as indicators of interdisciplinarity: case studies in bionanoscience. Scientometrics, 82(2), 263-287. 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.