The Design And Implementation Of Internet Public Opinion Analysis System Based On Massive Public Opinion Information

Public opinion, also known as social opinion, is a collection of the social and politicalattitudes, beliefs, values and ideas which are exhibited by the social people base on the birth,development and change processes of a social occurrence of particular event or phenomenonin a certain time and scope. More simply, public opinion is concentrated reflection of socialgroups’ ideology, psychology, emotion and demands. It is on behalf of the current socialsentiments and opinions.With the continuous development of Internet technology, Internet has gradually becomeone of the main channels of information dissemination. Today, Internet has become one of theimportant channels on which people can express their thoughts, emotions, aspirations andattitudes, subjective views and wishes. These subjective wishes information hosted on theInternet are called Internet public opinion, embodying the real social and political attitudes,ideas and aspirations of people, and affecting the development trend of entire public opinion.So monitoring and analyzing Internet public opinion, has become common needs of numerousgovernment agencies, social institutions, and businesses. It has great practical significance.This paper designs and implements Internet public opinion analysis system based onmassive public information. System is divided into five functional modules, namely the publicopinion information collection subsystem, public opinion data preprocessing subsystem,public opinion analysis and forecasting subsystems, public opinion management subsystemand data centers.The implementation of system is based on Internet information collection technology,massive information storage technology, data mining techniques based on text clustering andTDT(Topic Detecting and Tracking) technology. System provides a web-based applicationmanagement system, to achieve directional collection of public opinion information, detectingand tracking of public opinion topic, hot topics and sensitive topics detection and otherfunctions. Users can use this system to conduct a comprehensive, timely and effectivemonitoring on Internet public opinion.