Identifying interdisciplinary emergence in the science of science: combination of network analysis and BERTopic

Keungoui Kim, Dieter F. Kogler and Sira Maliphol ()
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Keungoui Kim: Handong Global University
Dieter F. Kogler: University College Dublin
Sira Maliphol: the State University of New York

Palgrave Communications, 2024, vol. 11, issue 1, 1-15

Abstract: Abstract Global scientific output is expanding exponentially, which in turn calls for a better understanding of the science of science and especially how the boundaries of scientific fields expand through processes of emergence. The present study proposes the application of embedded topic modeling techniques to identify new emerging science via knowledge recombination activities as evidenced through the analysis of research publication metadata. First, a dataset is constructed from metadata derived from the Web of Science Core Collection database. The dataset is then used to generate a global map representing a categorical scientific co-occurrence network. A research field is defined as interdisciplinary when multiple science categories are listed in its description. Second, the co-occurrence networks are subsequently compared between periods to determine changing patterns of influence in light of interdisciplinarity. Third, embedded topic modeling enables unsupervised association of interdisciplinary classification. We present the results of the analysis to demonstrate the emergence of global interdisciplinary sciences and further we perform qualitative validation on the results to identify what the sources of the emergent areas are. Based on these results, we discuss potential applications for identifying emergence through the merging of global interdisciplinary domains.

Date: 2024
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DOI: 10.1057/s41599-024-03044-y

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