Research Of Net-mediated Public Sentiment Based On Data Mining

Popularity of the Internet is a double-edged sword, on society with both positive and negative implications. On the one hand, it is for the dissemination of information, especially some important news events and social reporting public emergencies to demonstrate public opinion can not be compared to the traditional advantages: the people involved in the incident in real-time discussion, and thus to guide and influence events The process and development; the other hand, due to the new communication platform, open source, bypassing the traditional media management, "gatekeeper" and other procedures, making some people through the network to spread rumors and false information and gray vulgar remarks spread through the network.With globalization, the expansion of network technology and mass media development, social differentiation increased complexity of relations and interests, as well as highlights the characteristics of risk society and emergencies increases, the spread of public opinion and its impact on people everyday life and social the impact of the various organizations is also growing. The Government and the relevant managers much-needed right in the "get underway state" information mining and analysis of public opinion to seize the best time to deal with crisis events. However, rely solely on manual methods are difficult to deal with massive network of information collection and processing of the information needs of a variety of analysis techniques to analyze the current network of public opinion trends, Hot spots on the network, the focus topic of a timely and sensitive response, thereby enhancing the ability to dispose of the network emergencies and regulatory capabilities. Therefore, a careful study of Social and public opinion, grasp the genesis and development of public opinion and the resulting social impact of the law is placed in the social science researchers and policy makers at all levels, in front of an important task.This paper studies the introduction of public opinion in the network data mining techniques, effective use of data mining has the following six different functions: association analysis, clustering, classification, forecasting, time series models and error analysis. It's fast network public opinion and potential access to information, public opinion judged the accuracy of the content analysis of the uncertainty, the network monitor public opinion analysis and early warning and other aspects are extremely important guiding significance, but it also is being more fields to display extraordinary power, in this paper to study the public opinion in regard to the application of the network, hoping to natural science and technology on social science research with guidance reference,And reasonable application.