2 papers
cs.IR2025
Spacetime-GR: A Spacetime-Aware Generative Model for Large Scale Online POI Recommendation
Haitao Lin, Zhen Yang, Jiawei Xue +5
Building upon the strong sequence modeling capability, Generative Recommendation (GR) has gradually assumed a dominant position in the application of recommendation tasks (e.g., vi…
cs.IR2025
HGCL: Hierarchical Graph Contrastive Learning for User-Item Recommendation
Jiawei Xue, Zhen Yang, Haitao Lin +5
Graph Contrastive Learning (GCL), which fuses graph neural networks with contrastive learning, has evolved as a pivotal tool in user-item recommendations. While promising, existing…