Zeqian Huang

Papers on Lattice

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Publication activitypapers/week, last 8 weeks

Research focus

Recommendation & Information Retrieval (1)RLHF & Preference Learning (1)

Frequent co-authors

Jiayi Wu (1)Lei Jiang (1)Can Xu (1)Kangyang Luo (1)

Papers (1)

Apr 20, 2026

Jiayi Wu +65d ago·also D observations into

Negative Advantage Is a Double-Edged Sword: Calibrating Advantage in GRPO for Deep Search

GRPO's Achilles' heel in deep search is its coarse advantage assignment, but CalibAdv offers a way to surgically correct it, boosting both performance and training stability.

Jiayi Wu, Zeqian Huang, Lei Jiang +4

Recommendation & Information Retrieval RLHF & Preference Learning