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Large multimodal language models have proven transformative in numerous applications. However, these models have been shown to memorize and leak pre-training data, raising serious user privacy and information security concerns. While data…

计算与语言 · 计算机科学 2023-10-04 Yang Chen , Ethan Mendes , Sauvik Das , Wei Xu , Alan Ritter

Prompt engineering has emerged as a powerful technique for optimizing large language models (LLMs) for specific applications, enabling faster prototyping and improved performance, and giving rise to the interest of the community in…

人工智能 · 计算机科学 2025-02-17 Roman Levin , Valeriia Cherepanova , Abhimanyu Hans , Avi Schwarzschild , Tom Goldstein

The capabilities of recent large language models (LLMs) to generate high-quality content indistinguishable by humans from human-written texts raises many concerns regarding their misuse. Previous research has shown that LLMs can be…

计算与语言 · 计算机科学 2025-07-28 Aneta Zugecova , Dominik Macko , Ivan Srba , Robert Moro , Jakub Kopal , Katarina Marcincinova , Matus Mesarcik

Large Language Models (LLMs) are increasingly deployed in mental health contexts, from structured therapeutic support tools to informal chat-based well-being assistants. While these systems increase accessibility, scalability, and…

人机交互 · 计算机科学 2025-10-14 Soraya S. Anvari , Rina R. Wehbe

Large Language Models (LLMs) trained on massive data capture rich information embedded in the training data. However, this also introduces the risk of privacy leakage, particularly involving personally identifiable information (PII).…

计算与语言 · 计算机科学 2025-06-10 Wenshuo Dong , Qingsong Yang , Shu Yang , Lijie Hu , Meng Ding , Wanyu Lin , Tianhang Zheng , Di Wang

Large Language Models (LLMs), such as ChatGPT and GPT-4, are designed to provide useful and safe responses. However, adversarial prompts known as 'jailbreaks' can circumvent safeguards, leading LLMs to generate potentially harmful content.…

计算与语言 · 计算机科学 2024-04-09 Peng Ding , Jun Kuang , Dan Ma , Xuezhi Cao , Yunsen Xian , Jiajun Chen , Shujian Huang

Large Language Models (LLMs) are transforming human decision-making by acting as cognitive collaborators. Yet, this promise comes with a paradox: while LLMs can improve accuracy, they may also erode independent reasoning, promote…

密码学与安全 · 计算机科学 2025-09-09 Irdin Pekaric , Philipp Zech , Tom Mattson

Impressive progress has been made in automated problem-solving by the collaboration of large language model (LLM) based agents. However, these automated capabilities also open avenues for malicious applications. In this paper, we study a…

密码学与安全 · 计算机科学 2026-04-16 Yuntao Du , Zitao Li , Bolin Ding , Yaliang Li , Hanshen Xiao , Jingren Zhou , Ninghui Li

The advent of Large Language Models (LLMs) has garnered significant popularity and wielded immense power across various domains within Natural Language Processing (NLP). While their capabilities are undeniably impressive, it is crucial to…

机器学习 · 计算机科学 2024-07-31 Sara Abdali , Jia He , CJ Barberan , Richard Anarfi

Fine-tuning large language models (LLMs) raises privacy concerns due to the risk of exposing sensitive training data. Federated learning (FL) mitigates this risk by keeping training samples on local devices, while facing the following…

密码学与安全 · 计算机科学 2025-05-15 Zhichao You , Xuewen Dong , Ke Cheng , Xutong Mu , Jiaxuan Fu , Shiyang Ma , Qiang Qu , Yulong Shen

Privacy issues arise prominently during the inappropriate transmission of information between entities. Existing research primarily studies privacy by exploring various privacy attacks, defenses, and evaluations within narrowly predefined…

计算与语言 · 计算机科学 2024-10-07 Wei Fan , Haoran Li , Zheye Deng , Weiqi Wang , Yangqiu Song

Language is essentially a complex, intricate system of human expressions governed by grammatical rules. It poses a significant challenge to develop capable AI algorithms for comprehending and grasping a language. As a major approach,…

The drastic increase of large language models' (LLMs) parameters has led to a new research direction of fine-tuning-free downstream customization by prompts, i.e., task descriptions. While these prompt-based services (e.g. OpenAI's GPTs)…

计算与语言 · 计算机科学 2025-02-13 Zi Liang , Haibo Hu , Qingqing Ye , Yaxin Xiao , Haoyang Li

Large language models (LLMs) are increasingly involved in shaping public understanding on contested issues. This has led to substantial discussion about the potential of LLMs to reinforce or correct misperceptions. While existing literature…

社会与信息网络 · 计算机科学 2025-06-09 Adiba Mahbub Proma , Neeley Pate , Sean Kelty , Gourab Ghoshal , James N. Druckman , Ehsan Hoque

While many online services provide privacy policies for end users to read and understand what personal data are being collected, these documents are often lengthy and complicated. As a result, the vast majority of users do not read them at…

Are Large Pre-Trained Language Models Leaking Your Personal Information? In this paper, we analyze whether Pre-Trained Language Models (PLMs) are prone to leaking personal information. Specifically, we query PLMs for email addresses with…

计算与语言 · 计算机科学 2022-10-21 Jie Huang , Hanyin Shao , Kevin Chen-Chuan Chang

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 present an approach for generating differentially private synthetic text using large language models (LLMs), via private prediction. In the private prediction framework, we only require the output synthetic data to satisfy differential…

Large Language Models (LLMs) embed sensitive, human-generated data, prompting the need for unlearning methods. Although certified unlearning offers strong privacy guarantees, its restrictive assumptions make it unsuitable for LLMs, giving…

机器学习 · 计算机科学 2025-06-03 Rongzhe Wei , Mufei Li , Mohsen Ghassemi , Eleonora Kreačić , Yifan Li , Xiang Yue , Bo Li , Vamsi K. Potluru , Pan Li , Eli Chien

Information security is facing increasingly severe challenges, and traditional protection means are difficult to cope with complex and changing threats. In recent years, as an emerging intelligent technology, large language models (LLMs)…

密码学与安全 · 计算机科学 2026-02-03 Chang Gong , Zhongwen Li , Xiaoqi Li