A global map of science based on the ISI subject categories

Abstract

The ISI subject categories classify journals included in the Science Citation Index (SCI). The aggregated journal-journal citation matrix contained in the Journal Citation Reports can be aggregated on the basis of these categories. This leads to an asymmetrical transaction matrix (citing versus cited) which is much more densely populated than the underlying… (More)
DOI: 10.1002/asi.20967

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Cite this paper

@article{Leydesdorff2009AGM, title={A global map of science based on the ISI subject categories}, author={Loet Leydesdorff and Ismael Rafols}, journal={JASIST}, year={2009}, volume={60}, pages={348-362} }