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Overlay Maps of Science. Ismael Rafols 1,2, Alan Porter 2 and Loet Leydesdorff 3 2 SPRU, University of Sussex, Brighton 2 School of Public Policy, Georgia Institute Technology, Atlanta 3 Amsterdam School of Comm. Res. (ASCoR), Univ. Amsterdam. Leydesdorff and Rafols (2009).

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overlay maps of science

Overlay Maps of Science

Ismael Rafols1,2, Alan Porter2 and Loet Leydesdorff3

2 SPRU, University of Sussex, Brighton

2 School of Public Policy, Georgia Institute Technology, Atlanta

3 Amsterdam School of Comm. Res. (ASCoR), Univ. Amsterdam

slide2

Leydesdorff and Rafols (2009)

Global Map of Science, 2006

175 SCI Subject Categories

Ecology

Agriculture

Geosciences

Infectious Diseases

Biomed Sci

Environ Sci

Clinical Med

Chemistry

Matls Sci

Engineering

Neurosciences

Physics

Computer Sci.

General Med

slide3

Global Map of Science, 2006

175 SCI Subject Categories

Ecology

Agriculture

Geosciences

Infectious Diseases

Biomed Sci

Environ Sci

Clinical Med

Chemistry

Matls Sci

Engineering

Neurosciences

Physics

Computer Sci.

General Med

slide4

Global Map of Science, 2007

221 SCI-SSCI Subject Categories

Rafols, Porter and Leydesdorff (2009)

Env Sci & Tech

Ecol Sci

Agri Sci

Infectious Diseases

Geosciences

Clinical Med

Chemistry

Matls Sci

Engineering

Biomed Sci

Cognitive Sci.

Health & Social Issues

Psychology

Physics

Computer Sci.

Business & MGT

Social Studies

Econ. Polit. & Geography

slide5

Global Map of Science, SCI-SSCI 2007

Env Sci & Tech

Agri Sci

Ecol Sci

Infectious Diseases

Geosciences

Clinical Med

Chemistry

Matls Sci

Engineering

Biomed Sci

Cognitive Sci.

Health & Social Issues

Psychology

Physics

Computer Sci.

Business & MGT

Social Studies

Econ. Polit. & Geography

references
References

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. DOI: 10.1002/asi.21086.

Overlay

  • Rafols, I., Porter, A. L. and Leydesdorff, L. (in preparation) Overlay science maps: a new tool for research evaluation.
  • Rafols, I. and Meyer, M. (2009) Diversity and Network Coherence as indicators of interdisciplinarity: case studies in bionanoscience. Scientometrics, DOI 10.1007/s11192-009-0041-y.