เปรียบเทียบวิธี

	การวิเคราะห์วิวัฒนาการเชิงเนื้อหาโดยใช้ VOSviewer	การวิเคราะห์คำร่วม
สาขาวิชา	วิทยาศาสตรมิติ	วิทยาศาสตรมิติ
ตระกูล	Process / pipeline	Process / pipeline
ปีกำเนิด	2010–2011	1983
ผู้ริเริ่ม	Nees Jan van Eck & Ludo Waltman (VOSviewer); thematic evolution methodology associated with Cobo et al.	Michel Callon, Jean-Pierre Courtial, and colleagues
ประเภท	Scientometric workflow / bibliometric visualization pipeline	Scientometric network analysis technique
แหล่งต้นตำรับ	van Eck, N. J., & Waltman, L. (2010). Software survey: VOSviewer, a computer program for bibliometric mapping. Scientometrics, 84(2), 523–538.	Callon, M., Courtial, J. P., Turner, W. A., & Bauin, S. (1983). From translations to problematic networks: An introduction to co-word analysis. Social Science Information, 22(2), 191–235.
ชื่อเรียกอื่น	VOSviewer thematic mapping, keyword co-occurrence thematic evolution, science mapping thematic evolution, VOSviewer longitudinal thematic analysis	keyword co-occurrence analysis, co-word mapping, keyword co-word network, CWA
ที่เกี่ยวข้อง	6	6
สรุป	VOSviewer-assisted thematic evolution analysis is a scientometric pipeline that uses the VOSviewer software to build keyword co-occurrence networks across chronological time slices of a bibliographic dataset, revealing how research themes emerge, converge, fragment, or disappear over time within a scientific field. By coupling VOSviewer's density-based clustering with period-by-period comparison, researchers obtain a visual and quantitative account of a field's intellectual trajectory.	Co-word analysis is a scientometric technique that quantifies how often pairs of keywords, subject terms, or title words appear together across a corpus of publications. By treating simultaneous occurrence as a proxy for conceptual relatedness, it constructs networks and clusters that reveal the intellectual structure, dominant themes, and emerging sub-fields of a research domain.