Yongsen Zheng

Nanyang Technological University, Singapore, Digital Trust Centre Singapore

Papers on Lattice

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Publication activitypapers/week, last 8 weeks

Research focus

Recommendation & Information Retrieval (2)RLHF & Preference Learning (1)

Frequent co-authors

Ruilin Xu (2)Guohua Wang (2)Liang Lin (2)Kwok-Yan Lam (1)

Papers (2)

Jul 21, 2026

Jul 21, 2026·also CAU, Digital Trust Centre Singapore, SYSU

Mitigating Matthew Effect: Multi-Hypergraph Boosted Multi-Interest Self-Supervised Learning for Conversational Recommendation

HiCore's innovative use of multi-hypergraphs enables it to significantly reduce the bias towards popular items in conversational recommendations, achieving unprecedented fairness in user engagement.

Yongsen Zheng, Ruilin Xu, Guohua Wang +211

Recommendation & Information Retrieval

Jul 20, 2026

Jul 20, 2026·also CAU, Digital Trust Centre Singapore, Guangdong University of Technology, Peng Cheng Laboratory +1

HyCoRec: Hypergraph-Enhanced Multi-Preference Learning for Alleviating Matthew Effect in Conversational Recommendation

Alleviating the Matthew effect in conversational recommendations could revolutionize how users discover less popular items, enhancing diversity in recommendations.

Yongsen Zheng, Ruilin Xu, Ziliang Chen +418

Recommendation & Information Retrieval RLHF & Preference Learning

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Yongsen Zheng

Publication activitypapers/week, last 8 weeks

Research focus

Frequent co-authors

Papers (2)