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Wei-Hua Luo

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#natural language process... Preprint Sep 2026

Neuron-Guided Fine-Tuning: Unlocking Efficient Alignment Mechanisms for Large Language Models

Existing Supervised Fine-Tuning paradigms, particularly Full Parameter Fine-Tuning are often plagued by parameter redundancy, inconsistent data quality, and catastrophic forgetting, which current methods typically address in isolation and lack a unified optimization signal to bridge data selection, parameter updates, a...

Ze-Yu Wu, Junchao Wu, Shu-Dong Liu et al. · 0 citations
#artificial intelligence Preprint Sep 2026

UniRRM: Unified Reasoning Reward Models Across Languages and Evaluation Paradigms

Reinforcement learning (RL) excels on tasks with verifiable rewards, but in open-ended tasks, the reliability of reward models remains a key challenge. Existing solutions either depend on costly proprietary LLM-as-a-Judge systems or opaque scalar reward models that lack interpretability. Recent works on generative rewa...

Peng Lai, Yi-Chao Du, Junchao Wu et al. · 1 citation
Preprint Aug 2026

STAR : Sentence Translation Alignment Rate for Document-to-Document Machine Translation

This work proposes STAR-masked Preference Optimization (StarPO), a framework that ranks document-level hypotheses by structural quality and utilizes a dynamic alignment mask to focus optimization on misaligned segments and demonstrates that StarPO significantly enhances translation quality and structural integrity.

Yichen Dong, Hao Wang, Junhui Li et al. · 1 citation

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