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Foundation models (FMs) achieve strong performance across diverse tasks with task-specific fine-tuning, yet full parameter fine-tuning is often computationally prohibitive for large models. Parameter-efficient fine-tuning (PEFT) methods…

机器学习 · 计算机科学 2025-10-14 Jieming Bian , Lei Wang , Letian Zhang , Jie Xu

Fine-tuning large language models (LLMs) on custom datasets has become a standard approach for adapting these models to specific domains and applications. However, recent studies have shown that such fine-tuning can lead to significant…

计算与语言 · 计算机科学 2026-03-03 Yanping Li , Zhening Liu , Zijian Li , Zehong Lin , Jun Zhang

We introduce an Analyze-Revise-Finetune (ARF) pipeline that enables smaller open-source language models (LLMs) to surpass substantially larger proprietary models in customer service summarization tasks. The pipeline first analyzes and…

计算与语言 · 计算机科学 2026-03-02 Hee-Jin Lee , Zhen Guo , Luchao Jin , Morteza Moazami Goudarzi

Large language models (LLMs) have demonstrated revolutionary capabilities in understanding complex contexts and performing a wide range of tasks. However, LLMs can also answer questions that are unethical or harmful, raising concerns about…

密码学与安全 · 计算机科学 2025-04-15 Kang Yang , Guanhong Tao , Xun Chen , Jun Xu

The current safeguard mechanisms for large language models (LLMs) are indeed susceptible to jailbreak attacks, making them inherently fragile. Even the process of fine-tuning on apparently benign data for downstream tasks can jeopardize…

计算与语言 · 计算机科学 2024-05-16 Xin Yi , Shunfan Zheng , Linlin Wang , Xiaoling Wang , Liang He

Deep learning models are increasingly deployed in real-world applications. These models are often deployed on the server-side and receive user data in an information-rich representation to solve a specific task, such as image…

计算机视觉与模式识别 · 计算机科学 2022-08-05 Jonghu Jeong , Minyong Cho , Philipp Benz , Jinwoo Hwang , Jeewook Kim , Seungkwan Lee , Tae-hoon Kim

Black-box finetuning is an emerging interface for adapting state-of-the-art language models to user needs. However, such access may also let malicious actors undermine model safety. To demonstrate the challenge of defending finetuning…

密码学与安全 · 计算机科学 2024-07-01 Danny Halawi , Alexander Wei , Eric Wallace , Tony T. Wang , Nika Haghtalab , Jacob Steinhardt

Blind face restoration from low-quality (LQ) images is a challenging task that requires not only high-fidelity image reconstruction but also the preservation of facial identity. While diffusion models like Stable Diffusion have shown…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Runyi Li , Bin Chen , Jian Zhang , Radu Timofte

Large language models (LLMs) are now ubiquitous in everyday tools, raising urgent safety concerns about their tendency to generate harmful content. The dominant safety approach -- reinforcement learning from human feedback (RLHF) --…

机器学习 · 计算机科学 2025-09-29 Sathwik Karnik , Somil Bansal

Large Audio Language Models (LALMs) have extended the capabilities of Large Language Models (LLMs) by enabling audio-based human interactions. However, recent research has revealed that LALMs remain vulnerable to harmful queries due to…

计算与语言 · 计算机科学 2025-05-27 Hao Yang , Lizhen Qu , Ehsan Shareghi , Gholamreza Haffari

The safety alignment of current Large Language Models (LLMs) is vulnerable. Relatively simple attacks, or even benign fine-tuning, can jailbreak aligned models. We argue that many of these vulnerabilities are related to a shared underlying…

密码学与安全 · 计算机科学 2024-06-11 Xiangyu Qi , Ashwinee Panda , Kaifeng Lyu , Xiao Ma , Subhrajit Roy , Ahmad Beirami , Prateek Mittal , Peter Henderson

Artificial Intelligence-generated content has become increasingly popular, yet its malicious use, particularly the deepfakes, poses a serious threat to public trust and discourse. While deepfake detection methods achieve high predictive…

机器学习 · 计算机科学 2025-07-15 Tomasz Szandala , Fatima Ezzeddine , Natalia Rusin , Silvia Giordano , Omran Ayoub

As latent diffusion models (LDMs) democratize image generation capabilities, there is a growing need to detect fake images. A good detector should focus on the generative models fingerprints while ignoring image properties such as semantic…

计算机视觉与模式识别 · 计算机科学 2025-02-27 Anirudh Sundara Rajan , Utkarsh Ojha , Jedidiah Schloesser , Yong Jae Lee

Large Language Models have become the de facto approach to sequence-to-sequence text generation tasks, but for specialized tasks/domains, a pretrained LLM lacks specific capabilities to produce accurate or well-formatted responses.…

计算与语言 · 计算机科学 2024-03-20 Jiuhai Chen , Jonas Mueller

Recent studies show that the safety alignment of large language models (LLMs) can be easily compromised even by seemingly non-adversarial fine-tuning. To preserve safety alignment during fine-tuning, a widely used strategy is to jointly…

计算与语言 · 计算机科学 2026-03-12 Zhouxiang Fang , Jiawei Zhou , Hanjie Chen

Fine-tuning Large Language Models (LLMs) with Low-Rank Adaptation (LoRA) enhances adaptability while reducing computational costs. However, fine-tuning can compromise safety alignment, even with benign data, increasing susceptibility to…

机器学习 · 计算机科学 2025-06-25 Shuang Ao , Yi Dong , Jinwei Hu , Sarvapali Ramchurn

Due to the rising concern of data privacy, it's reasonable to assume the local client data can't be transferred to a centralized server, nor their associated identity label is provided. To support continuous learning and fill the last-mile…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Wenbin Zhu , Chien-Yi Wang , Kuan-Lun Tseng , Shang-Hong Lai , Baoyuan Wang

With the widespread application of Large Language Models across various domains, their security issues have increasingly garnered significant attention from both academic and industrial communities. This study conducts sampling and…

密码学与安全 · 计算机科学 2025-03-03 Hongyuan Shen , Min Zheng , Jincheng Wang , Yang Zhao

The growing awareness of safety concerns in large language models (LLMs) has sparked considerable interest in the evaluation of safety. This study investigates an under-explored issue about the evaluation of LLMs, namely the substantial…

计算与语言 · 计算机科学 2024-04-02 Yixu Wang , Yan Teng , Kexin Huang , Chengqi Lyu , Songyang Zhang , Wenwei Zhang , Xingjun Ma , Yu-Gang Jiang , Yu Qiao , Yingchun Wang

Overfitting is one of the critical problems in deep neural networks. Many regularization schemes try to prevent overfitting blindly. However, they decrease the convergence speed of training algorithms. Adaptive regularization schemes can…

机器学习 · 计算机科学 2021-06-18 Mohammad Mahdi Bejani , Mehdi Ghatee