Construction of a Network Sentiment Evaluation Index System for Hot Public Opinion Events

As the Internet becomes an increasingly prominent platform for public engagement, the influence of online commentary on societal trends is correspondingly amplified. This paper introduces a quantitative evaluation index for assessing the impact of network public opinion. By analyzing its societal effects, the paper establishes an index system and evaluation methods, validated through case studies. This framework enhances the monitoring and control of network public opinion in the modern media landscape.