Investig Clin Urol.
2025 Mar;66(2):172-180. 10.4111/icu.20240388.
Changes in urologic research from a new perspective: Text mining analysis of publication topics
- Affiliations
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- 1School of Information Science, College of Communication and Information, University of Kentucky, Lexington, KY, Korea
- 2School of Library and Information Studies, University of Oklahoma, Norman, OK, USA, Korea
- 3College of Liberal Arts, Dankook University, Cheonan, Korea
- 4College of Health Science, Dankook University, Cheonan, Korea
- 5Department of Urology, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
- KMID: 2565590
- DOI: http://doi.org/10.4111/icu.20240388
Abstract
- Purpose
This study aimed to explore the trends in research keywords and topics in the field of urology based on text mining over the recent decades. The investigation looked into changes in frequent subject keywords and the trends in prevailing research topics, as reflected in representative urology journals over recent decades.
Materials and Methods
A total of 27,129 bibliographic documents were collected from four urology journals, including European Urology, Journal of Urology, BJU International, and World Journal of Urology. The study then examined the changes in the most frequent author keywords over the decades. Moreover, structured topic modeling was employed to identify twenty prevailing research topics in urology and to examine their trends across different periods.
Results
The study observed consistently increasing patterns in author keywords and topics related to the prostate and oncology. Conversely, research fields such as pediatrics, male infertility, voiding dysfunction, and cancer biology exhibited a downward trend in urology. Potential factors or reasons underlying these trends were further discussed in this study.
Conclusions
This exploratory study uncovered major research topics in the discipline of urology. The findings of this study depict the domain of urology research in recent decades, providing insights for both researchers and clinicians seeking to better understand the research trends in the discipline.
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