A Study on the Social AttractionBetween Microblog Users and Salient Topics
[Research purpose]Exploring the internal mechanism of social attraction between microblog users and salient topics can help deeply understand the determinants of social attraction and the causes of popularity of salient topics.[Research method]This study takes 14 salient topics in 7 categories on the Sina Weibo platform in 2022 as research objects,and constructs the calculation formula of social at-traction between users and salient topics from the perspective of user behavior.Based on the four attributes of topic,user,distance and en-vironment,23 indicators affecting social attraction are determined.Four regression models are used to construct the influence factor model of social attraction.The SHAP model is used to interpret XGBoost,the model with the best results.The contribution and interaction of 23 features are analyzed.[Research conclusion]It is found that the importance of user attributes is significant,and the environmental attrib-utes have no significant contribution to social attraction.In practice,the necessary high-impact media forwarding and publicity,more time for topics to be listed and emotionally-inclined topic names can bring great social attraction,help shape and popularize positive hot topics,and provide decision-making reference for governments in guiding the healthy development of cyberspace topics.
Microblogsalient topicsocial media userssocial attractionSHAP