Study on BBS public opinion spreading based on Social Network Analysis

BBS is an important channel of public opinion spreading, so establishing model to analyze public opinion spreading characteristics will naturally become the primary goal of public opinion control. This paper analyzes the application of Social Network Analysis and sentiment classification in the research of BBS public opinion spreading, builds user reply relation network with real data base on the theory, then mines the network characteristics, opinion leaders, ghostwriters and other important actors in the network. Then feasibility and effectiveness of the model is verified by experiments.