재난 사건별 이슈 생존 주기 유형 분석

다국어 초록 (Multilingual Abstract)

This study aims to analyze the types of issue life cycles of disasters in social media. Based on the national disasters report during last 10 years, twelve social disasters and six natural disasters were selected as target major issues. News and tweets related to these disasters were automatically collected and the survival period of disaster events was calculated. The media production amount was plotted weekly or monthly. This study classified the types of issue life cycles by disaster events into two categories: First, an unexpected production type showed an explosive occurrence of the issue at the same time as the disaster occurred, and it showed a regular decreasing pattern. The second is a periodic production type which corresponds to natural disasters such as typhoons or infectious diseases such as swine flue. A regression tree model was built by reflecting the factors of the issue survival time and the survival period was predicted and verified using the algorithm.

참고문헌 (Reference)

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