Applied Mathematics & Information Sciences

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In this paper, a model of Cellular Automata model (CA), which contains four essential characters composed of Emotional tendencies of current netizen, self-confidence, the impact and sentiment orientation from other netizens, was designed for the evolution of online public opinion. To establish the relationship between the state of current netizen and the impact rate from other netizens. This study has adopted the rule-based fuzzy system.With the support of some experts from the Psychology area, 70 fuzzy rules with different weight have been formulated. Through the analysis of the simulation results, the opinion concentration, polarization, are revealed. The results of simulation also show that all four essential characters have a certain influence on individual behavior as well as group’s, and the changing character of neighbors will influence individual behavior. Simulation results also indicate that the model can better fit with the public opinion evolution laws.

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