Abstract
요약
Ⅰ. Introduction
Ⅱ. Literature Review
2.1 Swimming pool drowning accident in Korea
2.2 Text Mining
Ⅲ. Data and Methodology
3.1 Data Collection
3.2 Analysis Method
Ⅳ. Analysis Result
4.1 Keyword Frequency Analysis
4.2 Word Cloud
4.3 Topic Extraction
4.4 Centrality Analysis
4.5 Two-mode network between topics and keywords
Ⅴ. Conclusion
REFERENCES