activity
20172025
most citedImproving Adversarial Robustness via Promoting Ensemble Diversity

190 citations · 942 across the 77 of their papers we have counts for

collaborators

79 papers

cs.CV2025

QuickVideo: Real-Time Long Video Understanding with System Algorithm Co-Design

Benjamin Schneider, Dongfu Jiang, Chao Du +2

Long-video understanding has emerged as a crucial capability in real-world applications such as video surveillance, meeting summarization, educational lecture analysis, and sports…

cs.LG2025

BanditSpec: Adaptive Speculative Decoding via Bandit Algorithms

Yunlong Hou, Fengzhuo Zhang, Cunxiao Du +6

Speculative decoding has emerged as a popular method to accelerate the inference of Large Language Models (LLMs) while retaining their superior text generation performance. Previou…

cs.LG2025★ 6 cited

Understanding R1-Zero-Like Training: A Critical Perspective

Zichen Liu, Changyu Chen, Wenjun Li +5

DeepSeek-R1-Zero has shown that reinforcement learning (RL) at scale can directly enhance the reasoning capabilities of LLMs without supervised fine-tuning. In this work, we critic…

cs.CV2025

Error Analyses of Auto-Regressive Video Diffusion Models: A Unified Framework

Jing Wang, Fengzhuo Zhang, Xiaoli Li +5

Auto-Regressive Video Diffusion Models (AR-VDMs) have shown strong capabilities in generating long, photorealistic videos, but suffer from two key limitations: (i) history forgetti…

cs.CL2025★ 1 cited

Sailor2: Sailing in South-East Asia with Inclusive Multilingual LLMs

Longxu Dou, Qian Liu, Fan Zhou +38

Sailor2 is a family of cutting-edge multilingual language models for South-East Asian (SEA) languages, available in 1B, 8B, and 20B sizes to suit diverse applications. Building on…

cs.CL2025

LongSpec: Long-Context Lossless Speculative Decoding with Efficient Drafting and Verification

Penghui Yang, Cunxiao Du, Fengzhuo Zhang +4

As Large Language Models (LLMs) can now process extremely long contexts, efficient inference over these extended inputs has become increasingly important, especially for emerging a…

cs.CR2025★ 1 cited

Safety at Scale: A Comprehensive Survey of Large Model and Agent Safety

Xingjun Ma, Yifeng Gao, Yixu Wang +45

The rapid advancement of large models, driven by their exceptional abilities in learning and generalization through large-scale pre-training, has reshaped the landscape of Artifici…

cs.CV2025

Real-time Identity Defenses against Malicious Personalization of Diffusion Models

Hanzhong Guo, Shen Nie, Chao Du +3

Personalized generative diffusion models, capable of synthesizing highly realistic images based on a few reference portraits, may pose substantial social, ethical, and legal risks…

cs.CL2025

Improving Your Model Ranking on Chatbot Arena by Vote Rigging

Rui Min, Tianyu Pang, Chao Du +3

Chatbot Arena is a popular platform for evaluating LLMs by pairwise battles, where users vote for their preferred response from two randomly sampled anonymous models. While Chatbot…

cs.CV2024

Orient Anything: Learning Robust Object Orientation Estimation from Rendering 3D Models

Zehan Wang, Ziang Zhang, Tianyu Pang +3

Orientation is a key attribute of objects, crucial for understanding their spatial pose and arrangement in images. However, practical solutions for accurate orientation estimation…

cs.CL2024

When Precision Meets Position: BFloat16 Breaks Down RoPE in Long-Context Training

Haonan Wang, Qian Liu, Chao Du +4

Extending context window sizes allows large language models (LLMs) to process longer sequences and handle more complex tasks. Rotary Positional Embedding (RoPE) has become the de f…

cs.CR2024★ 1 cited

Denial-of-Service Poisoning Attacks against Large Language Models

Kuofeng Gao, Tianyu Pang, Chao Du +3

Recent studies have shown that LLMs are vulnerable to denial-of-service (DoS) attacks, where adversarial inputs like spelling errors or non-semantic prompts trigger endless outputs…

cs.AI2024★ 1 cited

Scaling up Masked Diffusion Models on Text

Shen Nie, Fengqi Zhu, Chao Du +5

Masked diffusion models (MDMs) have shown promise in language modeling, yet their scalability and effectiveness in core language tasks, such as text generation and language underst…

cs.CL2024

LightTransfer: Your Long-Context LLM is Secretly a Hybrid Model with Effortless Adaptation

Xuan Zhang, Fengzhuo Zhang, Cunxiao Du +4

Scaling language models to handle longer contexts introduces substantial memory challenges due to the growing cost of key-value (KV) caches. Motivated by the efficiency gains of hy…

cs.CV2024

Meta-Unlearning on Diffusion Models: Preventing Relearning Unlearned Concepts

Hongcheng Gao, Tianyu Pang, Chao Du +3

With the rapid progress of diffusion-based content generation, significant efforts are being made to unlearn harmful or copyrighted concepts from pretrained diffusion models (DMs)…

cs.CV2024

Improving Long-Text Alignment for Text-to-Image Diffusion Models

Luping Liu, Chao Du, Tianyu Pang +3

The rapid advancement of text-to-image (T2I) diffusion models has enabled them to generate unprecedented results from given texts. However, as text inputs become longer, existing e…

cs.CL2024★ 2 cited

When Attention Sink Emerges in Language Models: An Empirical View

Xiangming Gu, Tianyu Pang, Chao Du +5

Language Models (LMs) assign significant attention to the first token, even if it is not semantically important, which is known as attention sink. This phenomenon has been widely a…

cs.CL2024★ 1 cited

A Closer Look at Machine Unlearning for Large Language Models

Xiaojian Yuan, Tianyu Pang, Chao Du +3

Large language models (LLMs) may memorize sensitive or copyrighted content, raising privacy and legal concerns. Due to the high cost of retraining from scratch, researchers attempt…

cs.CL2024

Cheating Automatic LLM Benchmarks: Null Models Achieve High Win Rates

Xiaosen Zheng, Tianyu Pang, Chao Du +3

Automatic LLM benchmarks, such as AlpacaEval 2.0, Arena-Hard-Auto, and MT-Bench, have become popular for evaluating language models due to their cost-effectiveness and scalability…

cs.CL2024★ 2 cited

RegMix: Data Mixture as Regression for Language Model Pre-training

Qian Liu, Xiaosen Zheng, Niklas Muennighoff +5

The data mixture for large language model pre-training significantly impacts performance, yet how to determine an effective mixture remains unclear. We propose RegMix to automatica…

cs.LG2024★ 3 cited

Improved Techniques for Optimization-Based Jailbreaking on Large Language Models

Xiaojun Jia, Tianyu Pang, Chao Du +5

Large language models (LLMs) are being rapidly developed, and a key component of their widespread deployment is their safety-related alignment. Many red-teaming efforts aim to jail…

cs.CV2024★ 3 cited

Revisiting Backdoor Attacks against Large Vision-Language Models from Domain Shift

Siyuan Liang, Jiawei Liang, Tianyu Pang +5

Instruction tuning enhances large vision-language models (LVLMs) but increases their vulnerability to backdoor attacks due to their open design. Unlike prior studies in static sett…

cs.CL2024

Bootstrapping Language Models with DPO Implicit Rewards

Changyu Chen, Zichen Liu, Chao Du +5

Human alignment in large language models (LLMs) is an active area of research. A recent groundbreaking work, direct preference optimization (DPO), has greatly simplified the proces…

cs.CL2024★ 6 cited

Chain of Preference Optimization: Improving Chain-of-Thought Reasoning in LLMs

Xuan Zhang, Chao Du, Tianyu Pang +3

The recent development of chain-of-thought (CoT) decoding has enabled large language models (LLMs) to generate explicit logical reasoning paths for complex problem-solving. However…