Xigang Sun — accepted AI-conference papers

2026

CasUGC: Aligning User-Generated Comment Evolution with Cascade Dynamics for Popularity Prediction

Yifan Meng, Xigang Sun, Anran Zhang, Jiaqi Jiang, Jiahui Jin

IJCAI 2026

Accurately predicting the popularity of information cascades facilitates the development of social media network applications. During the cascade propagation process, user-generated comments continually evolve, thereby substantially affecting overall information popularity. However, existing methods

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2025

Riding the Wave: Multi-Scale Spatial-Temporal Graph Learning for Highway Traffic Flow Prediction Under Overload Scenarios

Xigang Sun, Jiahui Jin, Hancheng Wang, Xiangguo Sun, Xiaoliang Wang, Jun Zhu

IJCAI 2025

Highway traffic flow prediction under overload scenarios (HIPO) is a critical problem in intelligent transportation systems, which aims to forecast future traffic patterns on highway segments during periods of exceptionally high demand. Despite its importance, this problem has rarely been explored i

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