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Large language models (LLMs) have shown promising potential for next Point-of-Interest (POI) recommendation. However, existing methods only perform direct zero-shot prompting, leading to ineffective extraction of user preferences,…

Information Retrieval · Computer Science 2024-12-12 Ziqing Wu , Zhu Sun , Dongxia Wang , Lu Zhang , Jie Zhang , Yew Soon Ong

Language models (LMs) may memorize personally identifiable information (PII) from training data, enabling adversaries to extract it during inference. Existing defense mechanisms such as differential privacy (DP) reduce this leakage, but…

Cryptography and Security · Computer Science 2026-02-27 Anthony Hughes , Vasisht Duddu , N. Asokan , Nikolaos Aletras , Ning Ma

Artificial Intelligence (AI) is revolutionizing scientific research, yet its growing integration into laboratory environments presents critical safety challenges. Large language models (LLMs) and vision language models (VLMs) now assist in…

Large language models (LLMs) exhibit powerful capabilities but risk memorizing sensitive personally identifiable information (PII) from their training data, posing significant privacy concerns. While machine unlearning techniques aim to…

Cryptography and Security · Computer Science 2026-01-23 Xinjie Zhou , Zhihui Yang , Lechao Cheng , Sai Wu , Gang Chen

Protecting online privacy requires users to engage with and comprehend website privacy policies, but many policies are difficult and tedious to read. We present the first qualitative user study on Large Language Model (LLM)-driven privacy…

Human-Computer Interaction · Computer Science 2025-03-06 Vincent Freiberger , Arthur Fleig , Erik Buchmann

Removing Personally Identifiable Information (PII) from clinical notes in Electronic Health Records (EHRs) is essential for research and AI development. While Large Language Models (LLMs) are powerful, their high computational costs and the…

Computation and Language · Computer Science 2025-10-23 Prakrithi Shivaprakash , Lekhansh Shukla , Animesh Mukherjee , Prabhat Chand , Pratima Murthy

Although Multimodal Large Language Models (MLLMs) have achieved remarkable progress across many domains, their training on large-scale multimodal datasets raises serious privacy concerns, making effective machine unlearning increasingly…

Artificial Intelligence · Computer Science 2026-05-08 Yuhang Wang , Wenjie Mei , Junkai Zhang , Guangyu He , Zhenxing Niu , Haichang Gao

Large Language Models (LLMs) have a privacy concern because they memorize training data (including personally identifiable information (PII) like emails and phone numbers) and leak it during inference. A company can train an LLM on its…

Cryptography and Security · Computer Science 2023-07-21 Jaydeep Borkar

Users can divulge sensitive information to proprietary LLM providers, raising significant privacy concerns. While open-source models, hosted locally on the user's machine, alleviate some concerns, models that users can host locally are…

Cryptography and Security · Computer Science 2025-03-27 Li Siyan , Vethavikashini Chithrra Raghuram , Omar Khattab , Julia Hirschberg , Zhou Yu

Large language models (LLMs) are increasingly deployed in privacy-critical and personalization-oriented scenarios, yet the role of context length in shaping privacy leakage and personalization effectiveness remains largely unexplored. We…

Machine Learning · Computer Science 2026-02-17 Shangding Gu

The adoption of Large Language Models (LLMs) has revolutionized AI applications but poses significant challenges in safeguarding user privacy. Ensuring compliance with privacy regulations such as GDPR and CCPA while addressing nuanced…

Cryptography and Security · Computer Science 2025-01-23 Shubhi Asthana , Bing Zhang , Ruchi Mahindru , Chad DeLuca , Anna Lisa Gentile , Sandeep Gopisetty

Large language models for code (LLM4Code) have greatly improved developer productivity but also raise privacy concerns due to their reliance on open-source repositories containing abundant personally identifiable information (PII). Prior…

Software Engineering · Computer Science 2025-12-10 Hua Yang , Alejandro Velasco , Sen Fang , Bowen Xu , Denys Poshyvanyk

The increasing use of Online Vision Language Models (OVLMs) for processing images has introduced significant privacy risks, as individuals frequently upload images for various utilities, unaware of the potential for privacy violations.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Karmesh Siddharam Chaudhari , Youxiang Zhu , Amy Feng , Xiaohui Liang , Honggang Zhang

Intellectual Property (IP) is a highly specialized domain that integrates technical and legal knowledge, making it inherently complex and knowledge-intensive. Recent advancements in LLMs have demonstrated their potential to handle…

The proliferation of visual sensors in smart home environments, particularly through wearable devices like smart glasses, introduces profound privacy challenges. Existing privacy controls are often static and coarse-grained, failing to…

Human-Computer Interaction · Computer Science 2025-08-04 Shuning Zhang , Ying Ma , Xin Yi , Hewu Li

With the increasing use of conversational AI systems, there is growing concern over privacy leaks, especially when users share sensitive personal data in interactions with Large Language Models (LLMs). Conversations shared with these models…

Computation and Language · Computer Science 2025-11-03 Jayden Serenari , Stephen Lee

Audio Large language models (LLMs) are increasingly deployed in the real world, where they inevitably capture speech from unintended nearby bystanders, raising privacy risks that existing benchmarks and defences did not consider. We…

Sound · Computer Science 2026-04-22 Xiao Zhan , Guangzhi Sun , Jose Such , Phil Woodland

Large language models (LLMs) are increasingly deployed in interactive and retrieval-augmented settings, raising significant privacy concerns. While attacks such as Membership Inference (MIA), Attribute Inference (AIA), Data Extraction…

Cryptography and Security · Computer Science 2026-05-05 Karima Makhlouf , Lamiaa Basyoni , Syed Khaderi , Gabriel Marquez , Peter Sotomango , Mahmoud Awawdah , Sami Zhioua

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…

Machine Learning · Computer Science 2025-06-03 Rongzhe Wei , Mufei Li , Mohsen Ghassemi , Eleonora Kreačić , Yifan Li , Xiang Yue , Bo Li , Vamsi K. Potluru , Pan Li , Eli Chien

With the rapid development of artificial intelligence, large language models (LLMs) have made remarkable advancements in natural language processing. These models are trained on vast datasets to exhibit powerful language understanding and…

Cryptography and Security · Computer Science 2025-09-22 Shang Wang , Tianqing Zhu , Bo Liu , Ming Ding , Dayong Ye , Wanlei Zhou , Philip S. Yu