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cs.CL2025

Why Not Transform Chat Large Language Models to Non-English?

Xiang Geng, Ming Zhu, Jiahuan Li +14

The scarcity of non-English data limits the development of non-English large language models (LLMs). Transforming English-centric LLMs to non-English has been identified as an effe…

cs.CL2025

SDGO: Self-Discrimination-Guided Optimization for Consistent Safety in Large Language Models

Peng Ding, Wen Sun, Dailin Li +4

Large Language Models (LLMs) excel at various natural language processing tasks but remain vulnerable to jailbreaking attacks that induce harmful content generation. In this paper,…

cs.CL2025

Trans-Zero: Self-Play Incentivizes Large Language Models for Multilingual Translation Without Parallel Data

Wei Zou, Sen Yang, Yu Bao +3

The rise of Large Language Models (LLMs) has reshaped machine translation (MT), but multilingual MT still relies heavily on parallel data for supervised fine-tuning (SFT), facing c…

cs.CL2025

Extend Adversarial Policy Against Neural Machine Translation via Unknown Token

Wei Zou, Shujian Huang, Jiajun Chen

Generating adversarial examples contributes to mainstream neural machine translation~(NMT) robustness. However, popular adversarial policies are apt for fixed tokenization, hinderi…

cs.CL2025

Improved Paraphrase Generation via Controllable Latent Diffusion

Wei Zou, Ziyuan Zhuang, Xiang Geng +3

Paraphrase generation strives to generate high-quality and diverse expressions of a given text, a domain where diffusion models excel. Though SOTA diffusion generation reconciles g…

cs.CL2024

MAPO: Advancing Multilingual Reasoning through Multilingual Alignment-as-Preference Optimization

Shuaijie She, Wei Zou, Shujian Huang +4

Though reasoning abilities are considered language-agnostic, existing LLMs exhibit inconsistent reasoning abilities across different languages, e.g., reasoning in the dominant lang…