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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), renowned for their impressive capabilities in various tasks, have significantly advanced artificial intelligence. Yet, these advancements have raised growing concerns about privacy and security implications. To…

Artificial Intelligence · Computer Science 2024-03-28 Yuqi Yang , Xiaowen Huang , Jitao Sang

Large language model (LLM) services have been rapidly integrated into people's daily lives as chatbots and agentic systems. They are nourished by collecting rich streams of data, raising privacy concerns around excessive collection of…

Cryptography and Security · Computer Science 2025-12-01 Zhen Tao , Shidong Pan , Zhenchang Xing , Emily Black , Talia Gillis , Chunyang Chen

Alignment is a key step in developing Large Language Models (LLMs) using human feedback to ensure adherence to human values and societal norms. Dependence on human feedback raises privacy concerns about how much a labeler's preferences may…

Machine Learning · Computer Science 2025-12-11 Noel Teku , Fengwei Tian , Payel Bhattacharjee , Souradip Chakraborty , Amrit Singh Bedi , Ravi Tandon

Privacy policies are often obfuscated by their complexity, which impedes transparency and informed consent. Conventional machine learning approaches for automatically analyzing these policies demand significant resources and substantial…

Computation and Language · Computer Science 2024-09-24 Arda Goknil , Femke B. Gelderblom , Simeon Tverdal , Shukun Tokas , Hui Song

As Large Language Model (LLM) capabilities advance, the demand for high-quality annotation of exponentially increasing text corpora has outpaced human capacity, leading to the widespread adoption of LLMs in automatic evaluation and…

Computation and Language · Computer Science 2026-04-02 Jiayu Wang , Junyoung Lee

This paper presents a novel application of large language models (LLMs) to enhance user comprehension of privacy policies through an interactive dialogue agent. We demonstrate that LLMs significantly outperform traditional models in tasks…

Human-Computer Interaction · Computer Science 2024-10-17 Bolun Sun , Yifan Zhou , Haiyun Jiang

Deriving personalized insights from popular wearable trackers requires complex numerical reasoning that challenges standard LLMs, necessitating tool-based approaches like code generation. Large language model (LLM) agents present a…

Confidentiality of patient information is an essential part of Electronic Health Record System. Patient information, if exposed, can cause a serious damage to the privacy of individuals receiving healthcare. Hence it is important to remove…

Machine Learning · Computer Science 2018-08-06 Abhai Kollara Dilip , Kamal Raj K , Malaikannan Sankarasubbu

The advancement of large language models (LLMs) brings notable improvements across various applications, while simultaneously raising concerns about potential private data exposure. One notable capability of LLMs is their ability to form…

Computation and Language · Computer Science 2024-02-12 Hanyin Shao , Jie Huang , Shen Zheng , Kevin Chen-Chuan Chang

The recent success of large language models (LLMs) has paved the way for their adoption in the high-stakes domain of healthcare. Specifically, the application of LLMs in patient-trial matching, which involves assessing patient eligibility…

Artificial Intelligence · Computer Science 2023-12-18 Mauro Nievas , Aditya Basu , Yanshan Wang , Hrituraj Singh

Large Language Model (LLM) agents have become increasingly prevalent across various real-world applications. They enhance decision-making by storing private user-agent interactions in the memory module for demonstrations, introducing new…

Cryptography and Security · Computer Science 2025-06-04 Bo Wang , Weiyi He , Shenglai Zeng , Zhen Xiang , Yue Xing , Jiliang Tang , Pengfei He

Since the COVID-19 pandemic, clinicians have seen a large and sustained influx in patient portal messages, significantly contributing to clinician burnout. To the best of our knowledge, there are no large-scale public patient portal…

Artificial Intelligence · Computer Science 2024-11-12 Joseph Gatto , Parker Seegmiller , Timothy E. Burdick , Sarah Masud Preum

High-throughput phenotyping, the automated mapping of patient signs and symptoms to standardized ontology concepts, is essential to gaining value from electronic health records (EHR) in the support of precision medicine. Despite…

Artificial Intelligence · Computer Science 2024-06-24 Syed I. Munzir , Daniel B. Hier , Chelsea Oommen , Michael D. Carrithers

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…

Computation and Language · Computer Science 2022-04-21 Richard Plant , Valerio Giuffrida , Dimitra Gkatzia

Large Language Models (LLMs) have demonstrated remarkable capabilities in natural language processing but also pose significant privacy risks by memorizing and leaking Personally Identifiable Information (PII). Existing mitigation…

Machine Learning · Computer Science 2025-03-17 Ahmed Frikha , Muhammad Reza Ar Razi , Krishna Kanth Nakka , Ricardo Mendes , Xue Jiang , Xuebing Zhou

Large Language Models (LLMs) have showcased remarkable generalizability in language comprehension and hold significant potential to revolutionize human-computer interaction in smart homes. Existing LLM-based smart home assistants typically…

Cryptography and Security · Computer Science 2025-07-15 Xinyu Huang , Leming Shen , Zijing Ma , Yuanqing Zheng

Clinical named entity recognition from dental progress notes is challenging because documentation is highly unstructured, domain-specific, and often privacy-sensitive. We developed a locally deployable framework that enables small language…

Large Language Models (LLMs) generate responses based on user prompts. Often, these prompts may contain highly sensitive information, including personally identifiable information (PII), which could be exposed to third parties hosting these…

Cryptography and Security · Computer Science 2026-03-30 Shashie Dilhara Batan Arachchige , Hassan Jameel Asghar , Benjamin Zi Hao Zhao , Dinusha Vatsalan , Dali Kaafar

Recent advancements in large language models (LLMs) have significantly enhanced capabilities in natural language processing and artificial intelligence. These models, including GPT-3.5 and LLaMA-2, have revolutionized text generation,…

Computation and Language · Computer Science 2024-02-06 Yunhong He , Jianling Qiu , Wei Zhang , Zhengqing Yuan