Author

Yi-Ran Qiao

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#artificial intelligence Book Open access Jan 2026

Deja Vu in Plots: Leveraging Cross-Session Evidence with Retrieval-Augmented LLMs for Live Streaming Risk Assessment

This work proposes CS-VAR, a lightweight, domain-specific model that performs fast session-level risk inference, guided during training by a Large Language Model that reasons over retrieved cross-session behavioral evidence and transfers its local-to-global insights to the small model.

Yi-Ran Qiao, Xiang Ao, Jing Chen et al. · Annual International ACM SIG... · 2 citations

#artificial intelligence Preprint Sep 2026

User Representation via Cross Multi-source Behavior Pre-training for Mobile Games

CM-PTM is proposed, a novel Cross Multi-source Behavior Pre-Training Model tailored for mobile game user representation learning on device-level behavioral logs that employs hierarchical cascaded mask-then-predict proxy tasks that first infer the source of the next behavior and then progressively refine predictions at...

Cheng-Qi Yang, Yi-Ran Qiao, Feng Liu et al. · 0 citations

#artificial intelligence Preprint Aug 2026

LiveSim: Simulating Environment-Shaped Users in Multi-Agent Live-Stream Ecosystems

Experiments on real-world live-stream risk-control data validate the effectiveness of LiveSim in improving user-level behavioral fidelity and enabling ecosystem-level analysis of risk evolution and platform intervention effects.

Jiaqi Xu, Yi-Ran Qiao, Jing Chen et al. · 0 citations