Weibo,a popular Chinese social media service,has received much attention recently.More and more people use Weibo as an information tool,especially when the disaster happens.We present a work to develop a disasters detector based on Sina Weibo messages.This system captures public messages from Sina Weibo platform at first,and then processes messages filter and text classification to determine if messages correspond to people ex-periencing a disaster.We also offer an interface for users to view the processed messages.Our long term aim is to develop a general alert stem for various disaster event types in China,and it would be very useful for the disaster rescue.%随着移动互联业务的蓬勃发展，在灾害信息传播的过程中，不同类型的社交媒体在一个个突发性灾害事件中显示出了强大的力量。以微博为代表的在线社交媒体因在信息传播速度、传播内容、传播形式及传播效果等方面的优势，确立了其在灾害应急管理中特殊的传播价值。鉴于此，利用成熟的文本挖掘技术，面向中文新浪微博平台，开发了高效的灾害事件即时检测系统，从而能充分利用近于实时的灾害博文数据，使其更好地为灾害应急管理过程服务，有效提高灾害的应急管理能力。
展开▼
