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突发事件网络舆情可在第一时间反应突发事件的演变过程可为应急管理及时提供事态进展。通过分析目前突发事件网络舆情常见信息来源的种类和结构,研究了不同舆情源之间的异构性,并探讨了使用舆情源专用API和网络爬虫采集网络舆情的方法。在此基础上,协同RESTful Web服务和知识库,构建了突发事件网络舆情实时追踪平台,并针对其舆情库的构建和访问、舆情数据的实时采集以及舆情识别3个关键问题进行了研究,最终实现从互联网中自动识别并实时追踪突发事件的目标。
Public opinion on emergencies network can reflect the evolution of emergencies in the first place and provide timely progress for emergency management. By analyzing the types and structures of common sources of public opinion on emergencies at present, this paper studies the heterogeneity among different sources of public opinion and explores the methods of using public APIs and crawlers to collect public opinion on the Internet. On this basis, the RESTful web services and knowledge base are coordinated to build a real-time tracking platform for public opinion of emergencies and research on three key issues including the construction and access of public opinion databases, real-time collection of public opinion data and public opinion recognition. The ultimate goal of automatic identification from the Internet and real-time tracking of emergencies.