An Indicator of Research Front Activity: Measuring Intellectual Organization as Uncertainty Reduction in Document Sets
Diana Lucio-Arias, Loet Leydesdorff

TL;DR
This paper proposes a method using mutual information among title words, references, and sequence numbers to measure the intellectual organization and activity at research fronts, demonstrated through case studies including nanotubes and citation analysis.
Contribution
It introduces a novel indicator based on mutual information to quantify research front activity and intellectual organization in scientific literature.
Findings
Mutual information correlates with research front activity.
The method detects emerging research fronts like nanotubes and citation analysis.
Application to scientometrics shows effective identification of research dynamics.
Abstract
When using scientific literature to model scholarly discourse, a research specialty can be operationalized as an evolving set of related documents. Each publication can be expected to contribute to the further development of the specialty at the research front. The specific combinations of title words and cited references in a paper can then be considered as a signature of the knowledge claim in the paper: new words and combinations of words can be expected to represent variation, while each paper is at the same time selectively positioned into the intellectual organization of a field using context-relevant references. Can the mutual information among these three dimensions--title words, cited references, and sequence numbers--be used as an indicator of the extent to which intellectual organization structures the uncertainty prevailing at a research front? The effect of the discovery of…
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Taxonomy
TopicsAdvanced Text Analysis Techniques
