What question did this study set out to answer?

The aim is to propose a new model for understanding how rapidly changing interests impact information flow in cultural communities.

June 11, 2026Open Access

Evolution of cultural community interaction networks and information propagation based on dynamic interest graph

Key Points

The aim is to propose a new model for understanding how rapidly changing interests impact information flow in cultural communities.
Developed a dynamic interest graph model incorporating time-decay factors.
Conducted experiments comparing prediction accuracy between the new model and traditional static graph methods.
Achieved a 12.7% improvement in community structure prediction accuracy.
Reduced prediction error for information reach by 18.3%.

Abstract

This study addresses the inaccuracy of traditional static network models in predicting rapidly evolving interests within cultural communities by proposing an interactive network evolution model based on dynamic interest graphs.We find that members' shifting interests make information propagation paths unpredictable -for instance, trending topics in music communities may cycle as frequently as every two weeks.To tackle this challenge, we developed a graph model incorporating time-decay factors that captures real-time changes in interest similarity.Experiments demonstrate that compared to traditional static graph methods, our model achieves a 12.7% improvement in community structure prediction accuracy and reduces prediction error for information reach by 18.3%.This work offers new insights into understanding the dynamic evolution of cultural communities and enabling precise content dissemination.

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