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Ping Yang

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Book Open access Aug 2026

Structured Task Alignment for Multi-Objective Learning to Rank

Industrial recommender systems typically integrate multiple objectives—such as clicks, watch time, likes, and follows—to perform a holistic ranking. However, effectively fusing these diverse tasks to reflect overall user satisfaction remains a formidable challenge. Existing approaches struggle with distributional discr...

Qing Luo, Ge Chen, Huayi Shen et al. · 0 citations
Book Open access Jul 2026

RedGR: Unified Generative Retrieval for Recommendation in REDnote

RedGR is proposed, a generative retrieval model that unifies the modeling of multiple complex retrieval tasks and has been fully depolyed in the homefeed recommendation scenario of RedNote, serving hundreds of millions of users every day.

Mengcheng Fang, Hongyu Wang, Xichuan Niu et al. · 0 citations

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