activity
20232025
most citedDMQR-RAG: Diverse Multi-Query Rewriting for RAG

2 citations · 5 across the 24 of their papers we have counts for

collaborators

24 papers

cs.LG2025

CE-GPPO: Coordinating Entropy via Gradient-Preserving Clipping Policy Optimization in Reinforcement Learning

Zhenpeng Su, Leiyu Pan, Minxuan Lv +5

Reinforcement learning (RL) has become a powerful paradigm for optimizing large language models (LLMs) to handle complex reasoning tasks. A core challenge in this process lies in m…

cs.CV2025

PlanMoGPT: Flow-Enhanced Progressive Planning for Text to Motion Synthesis

Chuhao Jin, Haosen Li, Bingzi Zhang +7

Recent advances in large language models (LLMs) have enabled breakthroughs in many multimodal generation tasks, but a significant performance gap still exists in text-to-motion gen…

cs.LG2025

Towards Reward Fairness in RLHF: From a Resource Allocation Perspective

Sheng Ouyang, Yulan Hu, Ge Chen +3

Rewards serve as proxies for human preferences and play a crucial role in Reinforcement Learning from Human Feedback (RLHF). However, if these rewards are inherently imperfect, exh…

cs.AI2025

SPPD: Self-training with Process Preference Learning Using Dynamic Value Margin

Hao Yi, Qingyang Li, Yulan Hu +3

Recently, enhancing the numerical and logical reasoning capability of Large Language Models (LLMs) has emerged as a research hotspot. Existing methods face several limitations: inf…

cs.CV2025

HAIC: Improving Human Action Understanding and Generation with Better Captions for Multi-modal Large Language Models

Xiao Wang, Jingyun Hua, Weihong Lin +5

Recent Multi-modal Large Language Models (MLLMs) have made great progress in video understanding. However, their performance on videos involving human actions is still limited by t…

cs.AI2025

VidCapBench: A Comprehensive Benchmark of Video Captioning for Controllable Text-to-Video Generation

Xinlong Chen, Yuanxing Zhang, Chongling Rao +7

The training of controllable text-to-video (T2V) models relies heavily on the alignment between videos and captions, yet little existing research connects video caption evaluation…

cs.CL2024

Breaking the Stage Barrier: A Novel Single-Stage Approach to Long Context Extension for Large Language Models

Haoran Lian, Junmin Chen, Wei Huang +8

Recently, Large language models (LLMs) have revolutionized Natural Language Processing (NLP). Pretrained LLMs, due to limited training context size, struggle with handling long tok…

cs.LG2024

Video-Text Dataset Construction from Multi-AI Feedback: Promoting Weak-to-Strong Preference Learning for Video Large Language Models

Hao Yi, Qingyang Li, Yulan Hu +3

High-quality video-text preference data is crucial for Multimodal Large Language Models (MLLMs) alignment. However, existing preference data is very scarce. Obtaining VQA preferenc…

cs.IR2024★ 2 cited

DMQR-RAG: Diverse Multi-Query Rewriting for RAG

Zhicong Li, Jiahao Wang, Zhishu Jiang +7

Large language models often encounter challenges with static knowledge and hallucinations, which undermine their reliability. Retrieval-augmented generation (RAG) mitigates these i…

cs.CL2024

ERABAL: Enhancing Role-Playing Agents through Boundary-Aware Learning

Yihong Tang, Jiao Ou, Che Liu +3

Role-playing is an emerging application in the field of Human-Computer Interaction (HCI), primarily implemented through the alignment training of a large language model (LLM) with…

cs.CV2024

Video DataFlywheel: Resolving the Impossible Data Trinity in Video-Language Understanding

Xiao Wang, Jianlong Wu, Zijia Lin +3

Recently, video-language understanding has achieved great success through large-scale pre-training. However, data scarcity remains a prevailing challenge. This study quantitatively…

cs.LG2024

TSO: Self-Training with Scaled Preference Optimization

Kaihui Chen, Hao Yi, Qingyang Li +4

Enhancing the conformity of large language models (LLMs) to human preferences remains an ongoing research challenge. Recently, offline approaches such as Direct Preference Optimiza…

cs.AI2024

Towards Comprehensive Preference Data Collection for Reward Modeling

Yulan Hu, Qingyang Li, Sheng Ouyang +6

Reinforcement Learning from Human Feedback (RLHF) facilitates the alignment of large language models (LLMs) with human preferences, thereby enhancing the quality of responses gener…

cs.CL2024

Small Agent Can Also Rock! Empowering Small Language Models as Hallucination Detector

Xiaoxue Cheng, Junyi Li, Wayne Xin Zhao +5

Hallucination detection is a challenging task for large language models (LLMs), and existing studies heavily rely on powerful closed-source LLMs such as GPT-4. In this paper, we pr…

cs.CL2024

Decoding at the Speed of Thought: Harnessing Parallel Decoding of Lexical Units for LLMs

Chenxi Sun, Hongzhi Zhang, Zijia Lin +8

Large language models have demonstrated exceptional capability in natural language understanding and generation. However, their generation speed is limited by the inherently sequen…

cs.CL2024

Inductive-Deductive Strategy Reuse for Multi-Turn Instructional Dialogues

Jiao Ou, Jiayu Wu, Che Liu +3

Aligning large language models (LLMs) with human expectations requires high-quality instructional dialogues, which usually require instructions that are diverse and in-depth. Exist…

cs.AI2024

Chain-of-Specificity: An Iteratively Refining Method for Eliciting Knowledge from Large Language Models

Kaiwen Wei, Jingyuan Zhang, Hongzhi Zhang +4

Large Language Models (LLMs) exhibit remarkable generative capabilities, enabling the generation of valuable information. Despite these advancements, previous research found that L…

cs.CL2024

Enhancing Role-playing Systems through Aggressive Queries: Evaluation and Improvement

Yihong Tang, Jiao Ou, Che Liu +3

The advent of Large Language Models (LLMs) has propelled dialogue generation into new realms, particularly in the field of role-playing systems (RPSs). While enhanced with ordinary…

cs.CL2024

Improving Large Language Models via Fine-grained Reinforcement Learning with Minimum Editing Constraint

Zhipeng Chen, Kun Zhou, Wayne Xin Zhao +4

Reinforcement learning (RL) has been widely used in training large language models (LLMs) for preventing unexpected outputs, eg reducing harmfulness and errors. However, existing R…

cs.CL2023

Just Ask One More Time! Self-Agreement Improves Reasoning of Language Models in (Almost) All Scenarios

Lei Lin, Jiayi Fu, Pengli Liu +7

Although chain-of-thought (CoT) prompting combined with language models has achieved encouraging results on complex reasoning tasks, the naive greedy decoding used in CoT prompting…

cs.CL2023★ 2 cited

DialogBench: Evaluating LLMs as Human-like Dialogue Systems

Jiao Ou, Junda Lu, Che Liu +4

Large language models (LLMs) have achieved remarkable breakthroughs in new dialogue capabilities by leveraging instruction tuning, which refreshes human impressions of dialogue sys…

cs.CL2023

KwaiYiiMath: Technical Report

Jiayi Fu, Lei Lin, Xiaoyang Gao +18

Recent advancements in large language models (LLMs) have demonstrated remarkable abilities in handling a variety of natural language processing (NLP) downstream tasks, even on math…

cs.LG2023★ 1 cited

Graph Ranking Contrastive Learning: A Extremely Simple yet Efficient Method

Yulan Hu, Sheng Ouyang, Jingyu Liu +6

Graph contrastive learning (GCL) has emerged as a representative graph self-supervised method, achieving significant success. The currently prevalent optimization objective for GCL…

cs.CL2023

Parrot: Enhancing Multi-Turn Instruction Following for Large Language Models

Yuchong Sun, Che Liu, Kun Zhou +6

Humans often interact with large language models (LLMs) in multi-turn interaction to obtain desired answers or more information. However, most existing studies overlook the multi-t…