Leydesdorff, Loet; Rafols, Ismael - In: Journal of Informetrics 5 (2011) 1, pp. 87-100
A citation-based indicator for interdisciplinarity has been missing hitherto among the set of available journal indicators. In this study, we investigate network indicators (betweenness centrality), unevenness indicators (Shannon entropy, the Gini coefficient), and more recently proposed...