We use a conceptualization of interdisciplinarity as knowledge integration. Then, we propose that the disciplinary diversity of a set of publications (e.g. in the reference list of a paper) is an indicator of integration. We operationalise disciplines using ISI Subject Categories (i.e. the disciplinary categories provided in the Web of Science), and the Rao-Stirling measure of diversity (Stirling, 2007). This measure takes into account how disparate (i.e. the cognitive distance) disciplines are.
A particular case (when analyzing the disciplinary diversity of references in one single article) was called Integration Score (Porter and Rafols, 2009).
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interdisciplinary, diversity, integration score, knowledge integration
By Katrina Theisz
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