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Large language models (LLMs), especially those based on the Transformer architecture, have had a profound impact on various aspects of daily life, such as natural language processing, content generation, research methodologies, and more.…

机器学习 · 计算机科学 2024-10-15 Yeqi Gao , Zhao Song , Xin Yang , Yufa Zhou

We give simpler, sparser, and faster algorithms for differentially private fine-tuning of large-scale pre-trained language models, which achieve the state-of-the-art privacy versus utility tradeoffs on many standard NLP tasks. We propose a…

We explore how private synthetic text can be generated by suitably prompting a large language model (LLM). This addresses a challenge for organizations like hospitals, which hold sensitive text data like patient medical records, and wish to…

计算与语言 · 计算机科学 2025-02-20 Supriya Nagesh , Justin Y. Chen , Nina Mishra , Tal Wagner

Large language models (LLMs) have emerged as powerful tools for tackling complex tasks across diverse domains, but they also raise privacy concerns when fine-tuned on sensitive data due to potential memorization. While differential privacy…

计算与语言 · 计算机科学 2024-08-19 Lynn Chua , Badih Ghazi , Yangsibo Huang , Pritish Kamath , Ravi Kumar , Daogao Liu , Pasin Manurangsi , Amer Sinha , Chiyuan Zhang

Large language models specialized for code (CodeLLMs) have demonstrated remarkable capabilities in generating code snippets, documentation, and test cases. However, despite their promising capabilities, CodeLLMs can inadvertently memorize…

软件工程 · 计算机科学 2025-12-15 Melih Catal , Pooja Rani , Harald C. Gall

In-context learning (ICL) has shown promising improvement in downstream task adaptation of LLMs by augmenting prompts with relevant input-output examples (demonstrations). However, the ICL demonstrations can contain privacy-sensitive…

机器学习 · 计算机科学 2025-02-03 James Flemings , Haosheng Gan , Hongyi Li , Meisam Razaviyayn , Murali Annavaram

Large language models (LLMs) have revolutionized zero-shot task performance, mitigating the need for task-specific annotations while enhancing task generalizability. Despite its advancements, current methods using trigger phrases such as…

计算与语言 · 计算机科学 2024-06-13 Saurabh Srivastava , Chengyue Huang , Weiguo Fan , Ziyu Yao

Differentially private (DP) language model inference is an approach for generating private synthetic text. A sensitive input example is used to prompt an off-the-shelf large language model (LLM) to produce a similar example. Multiple…

机器学习 · 计算机科学 2025-06-06 Kareem Amin , Salman Avestimehr , Sara Babakniya , Alex Bie , Weiwei Kong , Natalia Ponomareva , Umar Syed

Large-scale pre-trained language models have contributed significantly to natural language processing by demonstrating remarkable abilities as few-shot learners. However, their effectiveness depends mainly on scaling the model parameters…

计算与语言 · 计算机科学 2023-01-26 Ningyu Zhang , Luoqiu Li , Xiang Chen , Shumin Deng , Zhen Bi , Chuanqi Tan , Fei Huang , Huajun Chen

Retrained large language models (LLMs) have become extensively used across various sub-disciplines of natural language processing (NLP). In NLP, text classification problems have garnered considerable focus, but still faced with some…

计算与语言 · 计算机科学 2023-12-05 Zhiqiang Wang , Yiran Pang , Yanbin Lin

Large language models (LLMs) are commonly adapted to downstream tasks through fine-tuning, but fine-tuning data often contains sensitive information that may be leaked by the resulting model. Differential privacy (DP) offers formal…

机器学习 · 计算机科学 2026-05-19 Haichao Sha , Zihao Wang , Yuncheng Wu , Hong Chen , Wei Dong

Interactions with online Large Language Models raise privacy issues where providers can gather sensitive information about users and their companies from the prompts. While textual prompts can be sanitized using Differential Privacy, we…

密码学与安全 · 计算机科学 2025-06-16 Robin Carpentier , Benjamin Zi Hao Zhao , Hassan Jameel Asghar , Dali Kaafar

Fine-tuning large language models (LLMs) has become an essential strategy for adapting them to specialized tasks; however, this process introduces significant privacy challenges, as sensitive training data may be inadvertently memorized and…

密码学与安全 · 计算机科学 2025-05-02 Hao Du , Shang Liu , Yang Cao

Instruction-tuned Large Language Models (LLMs) have exhibited impressive language understanding and the capacity to generate responses that follow specific prompts. However, due to the computational demands associated with training these…

Large language models (LLMs) do not preserve privacy at inference-time. The LLM's outputs can inadvertently reveal information about the model's context, which presents a privacy challenge when the LLM is augmented via tools or databases…

计算与语言 · 计算机科学 2026-02-03 Rushil Thareja , Preslav Nakov , Praneeth Vepakomma , Nils Lukas

Open-Domain Question Answering (ODQA) aims to answer questions without explicitly providing specific background documents. This task becomes notably challenging in a zero-shot setting where no data is available to train tailored…

计算与语言 · 计算机科学 2024-03-29 Junlong Li , Jinyuan Wang , Zhuosheng Zhang , Hai Zhao

The widespread practice of fine-tuning large language models (LLMs) on domain-specific data faces two major challenges in memory and privacy. First, as the size of LLMs continues to grow, the memory demands of gradient-based training…

机器学习 · 计算机科学 2024-06-07 Liang Zhang , Bingcong Li , Kiran Koshy Thekumparampil , Sewoong Oh , Niao He

How can we extend a pre-trained model to many language understanding tasks, without labeled or additional unlabeled data? Pre-trained language models (PLMs) have been effective for a wide range of NLP tasks. However, existing approaches…

计算与语言 · 计算机科学 2023-05-29 Xuandong Zhao , Siqi Ouyang , Zhiguo Yu , Ming Wu , Lei Li

Large scale adoption of large language models has introduced a new era of convenient knowledge transfer for a slew of natural language processing tasks. However, these models also run the risk of undermining user trust by exposing unwanted…

计算与语言 · 计算机科学 2022-04-21 Richard Plant , Valerio Giuffrida , Dimitra Gkatzia

Large language models trained on clinical text risk exposing sensitive patient information, yet differential privacy (DP) methods often severely degrade the diagnostic accuracy needed for deployment. Despite rapid progress in DP…

机器学习 · 计算机科学 2025-11-20 Mathieu Dufour , Andrew Duncan