activity
20142024
most citedImproving Adversarial Robustness via Promoting Ensemble Diversity

190 citations · 470 across the 41 of their papers we have counts for

collaborators

41 papers

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…

cs.CL2024★ 2 cited

Improved Few-Shot Jailbreaking Can Circumvent Aligned Language Models and Their Defenses

Xiaosen Zheng, Tianyu Pang, Chao Du +3

Recently, Anil et al. (2024) show that many-shot (up to hundreds of) demonstrations can jailbreak state-of-the-art LLMs by exploiting their long-context capability. Nevertheless, i…

cs.CL2024★ 2 cited

Purifying Large Language Models by Ensembling a Small Language Model

Tianlin Li, Qian Liu, Tianyu Pang +4

The emerging success of large language models (LLMs) heavily relies on collecting abundant training data from external (untrusted) sources. Despite substantial efforts devoted to d…

cs.CL2024★ 3 cited

Your Large Language Model is Secretly a Fairness Proponent and You Should Prompt it Like One

Tianlin Li, Xiaoyu Zhang, Chao Du +5

The widespread adoption of large language models (LLMs) underscores the urgent need to ensure their fairness. However, LLMs frequently present dominant viewpoints while ignoring al…

cs.CL2024★ 2 cited

Test-Time Backdoor Attacks on Multimodal Large Language Models

Dong Lu, Tianyu Pang, Chao Du +3

Backdoor attacks are commonly executed by contaminating training data, such that a trigger can activate predetermined harmful effects during the test phase. In this work, we presen…

cs.LG2024★ 1 cited

Graph Diffusion Policy Optimization

Yijing Liu, Chao Du, Tianyu Pang +3

Recent research has made significant progress in optimizing diffusion models for downstream objectives, which is an important pursuit in fields such as graph generation for drug de…

cs.CL2024★ 4 cited

Agent Smith: A Single Image Can Jailbreak One Million Multimodal LLM Agents Exponentially Fast

Xiangming Gu, Xiaosen Zheng, Tianyu Pang +5

A multimodal large language model (MLLM) agent can receive instructions, capture images, retrieve histories from memory, and decide which tools to use. Nonetheless, red-teaming eff…

cs.LG2024

Benchmarking Large Multimodal Models against Common Corruptions

Jiawei Zhang, Tianyu Pang, Chao Du +3

This technical report aims to fill a deficiency in the assessment of large multimodal models (LMMs) by specifically examining the self-consistency of their outputs when subjected t…

cs.CL2024★ 2 cited

Weak-to-Strong Jailbreaking on Large Language Models

Xuandong Zhao, Xianjun Yang, Tianyu Pang +4

Large language models (LLMs) are vulnerable to jailbreak attacks - resulting in harmful, unethical, or biased text generations. However, existing jailbreaking methods are computati…

cs.LG2024

Locality Sensitive Sparse Encoding for Learning World Models Online

Zichen Liu, Chao Du, Wee Sun Lee +1

Acquiring an accurate world model online for model-based reinforcement learning (MBRL) is challenging due to data nonstationarity, which typically causes catastrophic forgetting fo…

cs.LG2023★ 1 cited

Gaussian Mixture Solvers for Diffusion Models

Hanzhong Guo, Cheng Lu, Fan Bao +4

Recently, diffusion models have achieved great success in generative tasks. Sampling from diffusion models is equivalent to solving the reverse diffusion stochastic differential eq…

cs.LG2023★ 3 cited

Finetuning Text-to-Image Diffusion Models for Fairness

Xudong Shen, Chao Du, Tianyu Pang +3

The rapid adoption of text-to-image diffusion models in society underscores an urgent need to address their biases. Without interventions, these biases could propagate a skewed wor…

cs.LG2023★ 1 cited

Intriguing Properties of Data Attribution on Diffusion Models

Xiaosen Zheng, Tianyu Pang, Chao Du +2

Data attribution seeks to trace model outputs back to training data. With the recent development of diffusion models, data attribution has become a desired module to properly assig…

cs.LG2023★ 2 cited

On Memorization in Diffusion Models

Xiangming Gu, Chao Du, Tianyu Pang +3

Due to their capacity to generate novel and high-quality samples, diffusion models have attracted significant research interest in recent years. Notably, the typical training objec…

cs.CL2023★ 7 cited

LoraHub: Efficient Cross-Task Generalization via Dynamic LoRA Composition

Chengsong Huang, Qian Liu, Bill Yuchen Lin +3

Low-rank adaptations (LoRA) are often employed to fine-tune large language models (LLMs) for new tasks. This paper investigates LoRA composability for cross-task generalization and…

cs.CV2023

AdAM: Few-Shot Image Generation via Adaptation-Aware Kernel Modulation

Yunqing Zhao, Keshigeyan Chandrasegaran, Milad Abdollahzadeh +5

Few-shot image generation (FSIG) aims to learn to generate new and diverse images given few (e.g., 10) training samples. Recent work has addressed FSIG by leveraging a GAN pre-trai…

cs.LG2023★ 6 cited

Adversarial Constrained Bidding via Minimax Regret Optimization with Causality-Aware Reinforcement Learning

Haozhe Wang, Chao Du, Panyan Fang +3

The proliferation of the Internet has led to the emergence of online advertising, driven by the mechanics of online auctions. In these repeated auctions, software agents participat…

cs.LG2023

Exploring Model Dynamics for Accumulative Poisoning Discovery

Jianing Zhu, Xiawei Guo, Jiangchao Yao +6

Adversarial poisoning attacks pose huge threats to various machine learning applications. Especially, the recent accumulative poisoning attacks show that it is possible to achieve…

cs.LG2023★ 5 cited

Efficient Diffusion Policies for Offline Reinforcement Learning

Bingyi Kang, Xiao Ma, Chao Du +2

Offline reinforcement learning (RL) aims to learn optimal policies from offline datasets, where the parameterization of policies is crucial but often overlooked. Recently, Diffsuio…

cs.CV2023★ 34 cited

On Evaluating Adversarial Robustness of Large Vision-Language Models

Yunqing Zhao, Tianyu Pang, Chao Du +4

Large vision-language models (VLMs) such as GPT-4 have achieved unprecedented performance in response generation, especially with visual inputs, enabling more creative and adaptabl…

cs.LG2023

Nonparametric Generative Modeling with Conditional Sliced-Wasserstein Flows

Chao Du, Tianbo Li, Tianyu Pang +2

Sliced-Wasserstein Flow (SWF) is a promising approach to nonparametric generative modeling but has not been widely adopted due to its suboptimal generative quality and lack of cond…