Author

Yuheng Wang

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Preprint Aug 2026

GraphMemix: Query-Aware Evidence Forests for Long-Term Multimodal Agent Memory

Organizing long-term memory for multimodal agents remains challenging because existing methods either suffer from expensive question-agnostic offline summaries or naive embedding similarity matching that introduces incomplete and redundant context. To address these issues, we propose GraphMemix, a combinatorial-optimiz...

Geng Li, Yuheng Wang, Dong Li et al. · 1 citation

Open access Jul 2026

Federated graph learning with spatio-temporal dynamics for cross-border recommendation.

FedSTAR is proposed, a privacy-preserving cross-border recommendation framework that integrates spatio-temporal dynamic modeling with federated graph neural networks and delivers both high accuracy and strong robustness, offering a secure and practically viable solution for cross-border recommendation.

Zhizhong Tan, Yuheng Wang, Jiexin Zheng et al. · Scientific Reports · 0 citations