Abstract
요약
1. Introduction
2. Literature Review
2.1 Foundations of science mapping and keyword co-occurrence (co-word)
2.2 Normalization, clustering, visualization, and strategic diagrams
2.3 Thematic evolution, tools, and reproducibility
3. Methodology
3.1 Data collection and input construction
3.2 Analytical procedure
4. Results and Discussion
4.1 Co-occurrence structure
4.2 Strategic map: functional positions of themes
4.3 Thematic evolution
4.4 Implications
REFERENCES