Hefei Xu

12 papers A* 6Journal 6
YearRankTypeTitle / Venue / Authors
2026 A* conf
AlignCP: Noise-Aware Preference Alignment for LLMs via Confidence and Polarity Reweighting.
WWW
Chen Cheng, Hefei Xu, Le Wu
2026 J jnl
MLLMRec-R1: Incentivizing Reasoning Capability in Large Language Models for Multimodal Sequential Recommendation.
CoRR
Yu Wang, Yonghui Yang, Le Wu, Jiancan Wu, Hefei Xu, Hui Lin
2026 A* conf
Mitigating Fine-tuning Bias: A Parameter-Efficient Debiasing Framework for Large Language Models.
WWW
Qiuyu Li, Kun Zhang, Le Wu, Hao Liu, Hefei Xu, Xin Li, Si Wei
2026 A* conf
Multi-Value Alignment for LLMs via Value Decorrelation and Extrapolation.
AAAI
Hefei Xu, Le Wu, Chen Cheng, Hao Liu
2026 A* conf
VC-Soup: Value-Consistency Guided Multi-Value Alignment for Large Language Models.
WWW
Hefei Xu, Le Wu, Yu Wang, Min Hou, Han Wu, Zhen Zhang, Meng Wang
2026 J jnl
VC-Soup: Value-Consistency Guided Multi-Value Alignment for Large Language Models.
CoRR
Hefei Xu, Le Wu, Yu Wang, Min Hou, Han Wu, Zhen Zhang, Meng Wang
2025 A* conf
Fair Personalized Learner Modeling Without Sensitive Attributes.
WWW
Hefei Xu, Min Hou, Le Wu, Fei Liu, Yonghui Yang, Haoyue Bai, Richang Hong, Meng Wang
2025 A* conf
Mitigating Distribution Shifts in Sequential Recommendation: An Invariance Perspective.
SIGIR
Yuxin Liao, Yonghui Yang, Min Hou, Le Wu, Hefei Xu, Hao Liu
2025 J jnl
Multi-Value Alignment for LLMs via Value Decorrelation and Extrapolation.
CoRR
Hefei Xu, Le Wu, Chen Cheng, Hao Liu
2024 J jnl
Local Overlapping Spatial-aware Community Detection.
ACM Trans. Knowl. Discov. Data
Li Ni, Hefei Xu, Yiwen Zhang, Wenjian Luo, Yingying Huang, Victor S. Sheng
2023 J jnl
Spatial-Aware Local Community Detection Guided by Dominance Relation.
IEEE Trans. Comput. Soc. Syst.
Li Ni, Hefei Xu, Yiwen Zhang, Wenjian Luo
2022 J jnl
Spatial-Aware Local Community Detection Guided by Dominance Relation.
CoRR
Li Ni, Hefei Xu, Yiwen Zhang, Wenjian Luo