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cs.IR2026
WISE: An Agentic Framework for Whole-page Multimodal Search Experience Attribution
Wenyi Xu, Renzhe Zhou, Songyang Li +6
Algorithm-driven services, including search, recommendation, and advertising, rely on multi-stage model pipelines. While research prioritizes model optimization, post-deployment mo…
cs.IR2026
Unbiased Multimodal Reranking for Long-Tail Short-Video Search
Wenyi Xu, Feiran Zhu, Songyang Li +6
Kuaishou serving hundreds of millions of searches daily, the quality of short-video search is paramount. However, it suffers from a severe Matthew effect on long-tail queries: spar…
cs.IR2026
SaFRO: Satisfaction-Aware Fusion via Dual-Relative Policy Optimization for Short-Video Search
Renzhe Zhou, Songyang Li, Feiran Zhu +4
Multi-Task Fusion plays a pivotal role in industrial short-video search systems by aggregating heterogeneous prediction signals into a unified ranking score. However, existing appr…