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Large Language Models (LLMs) have gained significant attention in on-device applications due to their remarkable performance across real-world tasks. However, on-device LLMs often suffer from suboptimal performance due to hardware…

Computation and Language · Computer Science 2025-03-03 Kai Zhang , Congchao Wang , Liqian Peng , Alec Go , Xiaozhong Liu

Prominent Large Language Model (LLM) services from providers like OpenAI and Google excel at general tasks but often underperform on domain-specific applications. Current customization services for these LLMs typically require users to…

Machine Learning · Computer Science 2026-02-17 Zhaomin Wu , Jizhou Guo , Junyi Hou , Bingsheng He , Lixin Fan , Qiang Yang

Web applications are increasingly used in critical domains such as education, finance, and e-commerce. This highlights the need to ensure their failure-free performance. One effective method for evaluating failure-free performance is web…

Software Engineering · Computer Science 2025-12-23 Amirreza Nayyeri , Abbas Rasoolzadegan

Large Language Models (LLMs) are increasingly being used for automated evaluations and explaining them. However, concerns about explanation quality, consistency, and hallucinations remain open research challenges, particularly in…

Human-Computer Interaction · Computer Science 2025-04-18 Vincent Freiberger , Arthur Fleig , Erik Buchmann

In modern times, people have numerous online accounts, but they rarely read the Terms of Service or Privacy Policy of those sites, despite claiming otherwise, due to the practical difficulty in comprehending them. The mist of data privacy…

Artificial Intelligence · Computer Science 2025-09-03 Rui Zhao , Vladyslav Melnychuk , Jun Zhao , Jesse Wright , Nigel Shadbolt

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

Large Language Model (LLM)-based recommendation systems leverage powerful language models to generate personalized suggestions by processing user interactions and preferences. Unlike traditional recommendation systems that rely on…

Information Retrieval · Computer Science 2025-05-05 Tina Khezresmaeilzadeh , Jiang Zhang , Dimitrios Andreadis , Konstantinos Psounis

Large language models (LLMs) are primarily accessed via commercial APIs, but this often requires users to expose their data to service providers. In this paper, we explore how users can stay in control of their data by using privacy…

Computation and Language · Computer Science 2025-10-21 Guillem Ramírez , Alexandra Birch , Ivan Titov

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

The interactive nature of Large Language Models (LLMs), which closely track user data and context, has prompted users to share personal and private information in unprecedented ways. Even when users opt out of allowing their data to be used…

Cryptography and Security · Computer Science 2025-08-26 GodsGift Uzor , Hasan Al-Qudah , Ynes Ineza , Abdul Serwadda

Client-side privacy rewriting is crucial for deploying LLMs in privacy-sensitive domains. However, existing approaches struggle to balance privacy and utility. Full-text methods often distort context, while span-level approaches rely on…

Cryptography and Security · Computer Science 2026-04-14 Xiaodong Li , Yuhua Wang , Qingchen Yu , Zixuan Qin , Yifan Sun , Qinnan Zhang , Hainan Zhang , Zhiming Zheng

Prompt injection attacks pose a critical threat to large language models (LLMs), with prior work focusing on cutting-edge LLM applications like personal copilots. In contrast, simpler LLM applications, such as customer service chatbots, are…

Cryptography and Security · Computer Science 2025-11-11 Yigitcan Kaya , Anton Landerer , Stijn Pletinckx , Michelle Zimmermann , Christopher Kruegel , Giovanni Vigna

Large Language Models (LLMs) are widely used in sensitive domains, including healthcare, finance, and legal services, raising concerns about potential private information leaks during inference. Privacy extraction attacks, such as…

Cryptography and Security · Computer Science 2025-06-25 Jinwen He , Yiyang Lu , Zijin Lin , Kai Chen , Yue Zhao

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

The use of Natural Language Processing (NLP) in highstakes AI-based applications has increased significantly in recent years, especially since the emergence of Large Language Models (LLMs). However, despite their strong performance, LLMs…

Large Language Models (LLMs) have transformed natural language processing (NLP) by enabling robust text generation and understanding. However, their deployment in sensitive domains like healthcare, finance, and legal services raises…

Artificial Intelligence · Computer Science 2024-12-09 Georgios Feretzakis , Vassilios S. Verykios

Natural Language Processing (NLP) is an essential subset of artificial intelligence. It has become effective in several domains, such as healthcare, finance, and media, to identify perceptions, opinions, and misuse, among others. Privacy is…

Computation and Language · Computer Science 2025-01-20 Andrick Adhikari , Sanchari Das , Rinku Dewri

Large Language Models (LLMs) have demonstrated remarkable capabilities across diverse natural language processing tasks, but their tendency to memorize training data poses significant privacy risks, particularly during fine-tuning…

Computation and Language · Computer Science 2025-08-21 Badrinath Ramakrishnan , Akshaya Balaji

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

Although Large Language Models (LLMs) have become increasingly integral to diverse applications, their capabilities raise significant privacy concerns. This survey offers a comprehensive overview of privacy risks associated with LLMs and…

Cryptography and Security · Computer Science 2025-05-06 Kang Chen , Xiuze Zhou , Yuanguo Lin , Shibo Feng , Li Shen , Pengcheng Wu