Application of an "interdisciplinarity" metric at the paper level

The application—in a large bibliographic database—of an “interdisciplinarity” metrics measuring the extent to which knowledge from a priori disconnected subfields is integrated within individual scientific papers is presented. This metrics is then used to study “interdisciplinarity” patterns over time and across subfields, as well as to perform a comparative analysis of the “interdisciplinarity” of ERA (European Research Area) and non-ERA universities. Excluding the social sciences and humanities, the results show that “interdisciplinarity” is increasing over time and that it is generally more pronounced in applied research fields. In fact, technical universities are over-represented among universities having a greater proportion of highly “interdisciplinary” papers.
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