activity
20212026
most citedThe NiuTrans Machine Translation Systems for WMT21

1 citations · 6 across the 21 of their papers we have counts for

collaborators

22 papers

cs.CL2026

LANG: Reinforcement Learning for Multilingual Reasoning with Language-Adaptive Hint Guidance

Yuchun Fan, Bei Li, Peiguang Li +9

Reinforcement learning has proven effective for enhancing multi-step reasoning in large language models (LLMs), yet its benefits have not fully translated to multilingual contexts.…

cs.CL2026

DaPT: A Dual-Path Framework for Multilingual Multi-hop Question Answering

Yilin Wang, Yuchun Fan, Jiaoyang Li +5

Retrieval-augmented generation (RAG) systems have made significant progress in solving complex multi-hop question answering (QA) tasks in the English scenario. However, RAG systems…

cs.LG2026

Offline Exploration-Aware Fine-Tuning for Long-Chain Mathematical Reasoning

Yongyu Mu, Jiali Zeng, Fandong Meng +2

Through encouraging self-exploration, reinforcement learning from verifiable rewards (RLVR) has significantly advanced the mathematical reasoning capabilities of large language mod…

cs.CL2025

Probing Preference Representations: A Multi-Dimensional Evaluation and Analysis Method for Reward Models

Chenglong Wang, Yifu Huo, Yang Gan +10

Previous methods evaluate reward models by testing them on a fixed pairwise ranking test set, but they typically do not provide performance information on each preference dimension…

cs.CL2025

MRO: Enhancing Reasoning in Diffusion Language Models via Multi-Reward Optimization

Chenglong Wang, Yang Gan, Hang Zhou +10

Recent advances in diffusion language models (DLMs) have presented a promising alternative to traditional autoregressive large language models (LLMs). However, DLMs still lag behin…

cs.CL2025

GRAM-R: Self-Training Generative Foundation Reward Models for Reward Reasoning

Chenglong Wang, Yongyu Mu, Hang Zhou +10

Significant progress in reward modeling over recent years has been driven by a paradigm shift from task-specific designs towards generalist reward models. Despite this trend, devel…

cs.CL2025

Language-Specific Layer Matters: Efficient Multilingual Enhancement for Large Vision-Language Models

Yuchun Fan, Yilin Wang, Yongyu Mu +5

Large vision-language models (LVLMs) have demonstrated exceptional capabilities in understanding visual information with human languages but also exhibit an imbalance in multilingu…

cs.CL2025

GRAM: A Generative Foundation Reward Model for Reward Generalization

Chenglong Wang, Yang Gan, Yifu Huo +8

In aligning large language models (LLMs), reward models have played an important role, but are standardly trained as discriminative models and rely only on labeled human preference…

cs.LG2025

Dissecting Long-Chain-of-Thought Reasoning Models: An Empirical Study

Yongyu Mu, Jiali Zeng, Bei Li +5

Despite recent progress in training long-chain-of-thought reasoning models via scaling reinforcement learning (RL), its underlying training dynamics remain poorly understood, and s…

cs.CL2025

Beyond Decoder-only: Large Language Models Can be Good Encoders for Machine Translation

Yingfeng Luo, Tong Zheng, Yongyu Mu +8

The field of neural machine translation (NMT) has changed with the advent of large language models (LLMs). Much of the recent emphasis in natural language processing (NLP) has been…

cs.CL2025

Boosting Text-To-Image Generation via Multilingual Prompting in Large Multimodal Models

Yongyu Mu, Hengyu Li, Junxin Wang +7

Previous work on augmenting large multimodal models (LMMs) for text-to-image (T2I) generation has focused on enriching the input space of in-context learning (ICL). This includes p…

cs.CL2025★ 1 cited

SLAM: Towards Efficient Multilingual Reasoning via Selective Language Alignment

Yuchun Fan, Yongyu Mu, Yilin Wang +7

Despite the significant improvements achieved by large language models (LLMs) in English reasoning tasks, these models continue to struggle with multilingual reasoning. Recent stud…

cs.CL2024

LRHP: Learning Representations for Human Preferences via Preference Pairs

Chenglong Wang, Yang Gan, Yifu Huo +7

To improve human-preference alignment training, current research has developed numerous preference datasets consisting of preference pairs labeled as "preferred" or "dispreferred".…

cs.CV2024★ 1 cited

RoVRM: A Robust Visual Reward Model Optimized via Auxiliary Textual Preference Data

Chenglong Wang, Yang Gan, Yifu Huo +9

Large vision-language models (LVLMs) often fail to align with human preferences, leading to issues like generating misleading content without proper visual context (also known as h…

cs.CL2024★ 1 cited

Cross-layer Attention Sharing for Pre-trained Large Language Models

Yongyu Mu, Yuzhang Wu, Yuchun Fan +9

To enhance the efficiency of the attention mechanism within large language models (LLMs), previous works primarily compress the KV cache or group attention heads, while largely ove…

cs.CL2024

Translate-and-Revise: Boosting Large Language Models for Constrained Translation

Pengcheng Huang, Yongyu Mu, Yuzhang Wu +4

Imposing constraints on machine translation systems presents a challenging issue because these systems are not trained to make use of constraints in generating adequate, fluent tra…

cs.CL2024★ 1 cited

Hybrid Alignment Training for Large Language Models

Chenglong Wang, Hang Zhou, Kaiyan Chang +5

Alignment training is crucial for enabling large language models (LLMs) to cater to human intentions and preferences. It is typically performed based on two stages with different o…

cs.CL2024

Revealing the Parallel Multilingual Learning within Large Language Models

Yongyu Mu, Peinan Feng, Zhiquan Cao +8

In this study, we reveal an in-context learning (ICL) capability of multilingual large language models (LLMs): by translating the input to several languages, we provide Parallel In…

cs.CL2023★ 1 cited

Augmenting Large Language Model Translators via Translation Memories

Yongyu Mu, Abudurexiti Reheman, Zhiquan Cao +6

Using translation memories (TMs) as prompts is a promising approach to in-context learning of machine translation models. In this work, we take a step towards prompting large langu…

cs.CL2023

Improved Knowledge Distillation for Pre-trained Language Models via Knowledge Selection

Chenglong Wang, Yi Lu, Yongyu Mu +3

Knowledge distillation addresses the problem of transferring knowledge from a teacher model to a student model. In this process, we typically have multiple types of knowledge extra…

cs.CL2021★ 1 cited

The NiuTrans Machine Translation Systems for WMT21

Shuhan Zhou, Tao Zhou, Binghao Wei +15

This paper describes NiuTrans neural machine translation systems of the WMT 2021 news translation tasks. We made submissions to 9 language directions, including English$\leftrighta…

cs.CL2021

The NiuTrans System for the WMT21 Efficiency Task

Chenglong Wang, Chi Hu, Yongyu Mu +8

This paper describes the NiuTrans system for the WMT21 translation efficiency task (http://statmt.org/wmt21/efficiency-task.html). Following last year's work, we explore various te…