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Author

Jiancan Wu

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Aug 2026

RosePO: Customized Preference Alignment in LLM-Based Recommendation

This work proposes RosePO, a framework to refine LLM-based recommendation through pairwise preference optimization with personalized smoothing, and incorporates a personalized smoothing factor predicted by a user oracle into the optimization objective.

Jiayi Liao, Xiangnan He, Ruobing Xie et al. · 0 citations
Jul 2026

ARMOR: Stabilizing On-Policy LLM RL with Off-Policy Anchor Samples

This work proposes ARMOR (Anchor Rollout and Mixed Optimization for RL), a framework that shifts the paradigm from passive penalty to active sample stabilization, enabling sustained performance improvements over extended training horizons.

Kexin Huang, Junkang Wu, Jinda Lu et al. · 0 citations
Preprint Aug 2026

PEA-DPO: Perception-Enhanced Alignment Direct Preference Optimization for MLLMs Alignment

Perception-Enhanced Alignment DPO (PEA-DPO), a framework for multimodal LLMs alignment, which explicitly leverages visual preference signals to overcome visual insensitivity is proposed, which demonstrates that PEA-DPO enhances sensitivity to visual context while preserving the language modeling capacity of the base model.

Jiawei Feng, Jiancan Wu, Xingyu Zhu et al. · 1 citation

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