Assessing the evolution of research topics in a biological field using plant science as an example
Shin-Han Shiu and
Melissa D Lehti-Shiu
PLOS Biology, 2024, vol. 22, issue 5, 1-27
Abstract:
Scientific advances due to conceptual or technological innovations can be revealed by examining how research topics have evolved. But such topical evolution is difficult to uncover and quantify because of the large body of literature and the need for expert knowledge in a wide range of areas in a field. Using plant biology as an example, we used machine learning and language models to classify plant science citations into topics representing interconnected, evolving subfields. The changes in prevalence of topical records over the last 50 years reflect shifts in major research trends and recent radiation of new topics, as well as turnover of model species and vastly different plant science research trajectories among countries. Our approaches readily summarize the topical diversity and evolution of a scientific field with hundreds of thousands of relevant papers, and they can be applied broadly to other fields.Our ability to understand the progress of science through the evolution of research topics is limited by the need for specialist knowledge and the exponential growth of the literature. This study uses artificial intelligence and machine learning approaches to demonstrate how a biological field (plant science) has evolved, how the model systems have changed, and how countries differ in terms of research focus and impact.
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pbio00:3002612
DOI: 10.1371/journal.pbio.3002612
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