Investigation of the Expression Method of Theme-Typhoon Disaster Information

Typhoon disaster information is characterized by multiple sources, complexity and diversity, different users of this content have individual concerns. The expression methods typhoon considered in previous research been relatively simple, which cannot meet the personalized service needs users. In paper, according to diverse distinct stages a disaster, method with multi-user, multi-stage, multi-channel multi-element combined mode investigated. First, audience are divided via demand analysis, summarized users, stages, release channels. Similar then integrated into same theme, it also determined how expressed. Then, analytic hierarchy process (AHP) used filter out important each theme. theme template designed characteristics particular Finally, prototype system developed, Lekima, impacted China 2019, as real case for analysis. results show that proposed can effectively support obtain at disasters, evaluate conditions, assist scientific decision-making, enhance public awareness risk prevention.