Abstract Internet public opinion is a complex and changeable system, its trend development characterized by explosive, evolutionary uncertainty, concealment interactivity due to the participation of vast number users. Today, with rapid network information technology, has an increasing influence on stable society. Computational intelligence frontier field artificial development, computational used mine analyze text study evolution online opinion. This paper uses Changchun Changsheng Vaccine...

Abstract As an empirical case, this study takes 30 sudden reversal events as examples, combined with the theory of actor network, and explores four influencing factors public opinion subjects-netizens leaders, objects-events, carriers-media, guides-government in opinion. The complex combinatorial effects arise during process. This verifies combination three parallel equivalent driving paths that lead to multi-center opinion, leader–media dual-driven path, leader–media–government multi-driven...

Studying the influencing factors and identifying driving path of public opinion reversal have important practical significance for effectively avoiding risk reversal. Combined with theory actor network, analysis shows that 7 in are antecedent conditions emergencies. Qualitative comparative identifies internal motivation online opinion. Four core paths obtained. Through different condition combination paths, conclusion is reached: role leaders reversing emergencies limited; central government...