关键词: 大数据, 网络舆情, 舆论引导

Abstract: As we step into the age of big data，Internet Public Opinion has undergone great changes in terms of data volume，complexity and production speed. In big data Era, its internal features and potential rules during the changing process should be controlled correctly. This paper has important theoretical significance and practical value in guiding internet public opinion and protecting cyber security under the new circumstances. In the Internet era of big data, with the help of computer technology, timely, comprehensive monitoring network public opinion is imminent. We would first discuss the new changes of network public opinion brought by big data, public opinion then elaborated coping strategies, At last, the paper introduces the design idea of the network public opinion monitoring system based on Crawler Web and Lucene.

Key words: big data, Internet public opinion, opinion guidance