Interrelations among scientific fields and their relative influences

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Presentation transcript:

Interrelations among scientific fields and their relative influences Menghui Li limhxd@126 .com Beijing Institute of Science and Technology Information

Background Which science or technology fields will be prioritized? How important is each subfield? How does a specific subfield influence other subfields?

Citation Network

Method Calculate the eigenvalues 1 Remove its jth row and jth column Recalculate the eigenvalues The relative importance of sector j

Correlation between IOF and citations

Evolution of influence

Relation between subfields

Summary This method provides an innovative approach for answering the two questions raised at the beginning. Given a set of fields, which is more influential and thus may be supported preferentially? Given a specific priority, what other fields are necessary foundations for the targeted field and thus may need to be prioritized? 

See more details Z. Shen et al, Interrelations among scientific fields and their relative influences revealed by an input– output analysis, Journal of Informetrics, 10, 82-97 (2016).

Thank you for your attentions!