Based on Internet information collection, data mining, natural language processing, machine learning and other big data technologies, we will dynamically pay attention to news, forums, Weibo, WeChat, clients, print media and other domestic and foreign media in real time, cluster, classify and analyze the collected data, grasp the hot spots of Internet public opinion in time, discover Internet emergencies and sensitive public opinions in time, and generate public opinion reports with the help of man-machine combination. Effective management of network information activities can realize early detection, early reporting and early treatment, reduce the spread of bad information on the Internet, purify the network publicity environment, maintain the order of network information dissemination, and provide important support for timely understanding social conditions and public opinion, guiding public opinion, making scientific decisions and maintaining social stability.

1. 1.2 business objectives

(1) Monitor the public opinion information related to "I" on the Internet for the first time and display it in the most intuitive way. The types of monitoring media include: news, forum, Weibo, WeChat, client, print media, post bar, search engine, etc.

(2) Timely warning of key public opinions and negative information through application platforms, mobile phone clients and WeChat. In this way, you can master public opinion anytime and anywhere without special personnel on duty.

(3) Automatically analyze the development trend of public opinion information, including: initial website, author, reprint, heat change, etc.

(4) Automatically generate public opinion reports and public opinion reports, help public opinion work, and cooperate with corresponding working mechanisms to improve the quality and efficiency of public opinion monitoring and the level of public opinion response.

(5) The system automatically monitors and warns online for 7×24 hours, and is equipped with special public opinion analysts to assist in monitoring the manual warning.

1. 1.3 system objectives

(1) Building a useful system. The system has comprehensive and practical functions, strong pertinence and comprehensive monitoring effect.

(2) Build a stable and reliable system. According to the characteristics of public opinion monitoring's business, the system is required to run stably and reliably with strong acquisition ability.

(3) The system has strong expansibility in function and performance. The system should meet the expansion ability of future demand, which is manifested in the continuous development and upgrading of software products and the ability to support cluster in system deployment and expansion.

(4) Continuous operation and maintenance services. The characteristics of public opinion system itself determine that continuous operation and maintenance service is a solid foundation for the system to ensure the system effect.

(5) Collaborative construction and integration. In the process of project construction, it should be closely coordinated with relevant application systems, promoted and integrated as a whole.

(6) Standardize the construction process. The project construction process should conform to the relevant software engineering project management norms, and strictly test the process management and quality management.