Chenxing Wang

Weixin Group

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Publication activitypapers/week, last 8 weeks

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

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Juyuan Wang (1)Yuchen Fang (1)Huiyun Hu (1)Junwu Du (1)

Papers (1)

Apr 19, 2026

Weixin Group1w ago·also SCUT, Tencent AI

HeadRank: Decoding-Free Passage Reranking via Preference-Aligned Attention Heads

HeadRank achieves a remarkable 43-percentage-point improvement in selecting relevant documents from the middle-context zone, revolutionizing passage reranking efficiency.

Juyuan Wang, Chenxing Wang, Yuchen Fang +7

Recommendation & Information Retrieval RLHF & Preference Learning

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Chenxing Wang

Publication activitypapers/week, last 8 weeks

Research focus

Frequent co-authors

Papers (1)