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Wei-Hua Luo

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#natural language process... Preprint Oct 2026

Qwen-MT-Lumen at WMT2026: Instruction-Specialized Translation via Quality-Aware Training and On-Policy Distillation

Lumen, the open-source model, achieves performance comparable to leading proprietary systems in both translation quality and translation-instruction following, and under an absolute 1--5 LLM-judge rubric that evaluates translation-instruction following and translation quality separately.

Hao Wang, Yang-Yang Liu, Xiao-Hu Zhao et al. · 0 citations
#natural language process... Preprint Sep 2026

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

Experimental results across three models across both domain-specific and general benchmarks demonstrate that NGFT significantly outperforms existing mainstream fine-tuning methods in both efficiency and performance, while effectively mitigating catastrophic forgetting.

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

A unified reasoning reward model supporting multiple languages and evaluation paradigms, UniRRM uses a staged reasoning chain to dynamically generate task-generic and instruction-specific criteria, enabling fine-grained, input-adaptive judgments while maintaining consistency across languages.

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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