activity
20172025
most citedImproving Adversarial Robustness via Promoting Ensemble Diversity

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

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Showing cs.CLShow all

20 papers · 1 filter

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.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.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.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.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.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.CL2024

Self-Distillation Bridges Distribution Gap in Language Model Fine-Tuning

Zhaorui Yang, Tianyu Pang, Haozhe Feng +4

The surge in Large Language Models (LLMs) has revolutionized natural language processing, but fine-tuning them for specific tasks often encounters challenges in balancing performan…

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.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.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.CL2023★ 3 cited

Bag of Tricks for Training Data Extraction from Language Models

Weichen Yu, Tianyu Pang, Qian Liu +5

With the advance of language models, privacy protection is receiving more attention. Training data extraction is therefore of great importance, as it can serve as a potential tool…