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Related papers: MemPrivacy: Privacy-Preserving Personalized Memory…

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LLM agents require personal information for personalization in order to effectively act on users' behalf, but this raises privacy concerns that can discourage data sharing, limiting both the autonomy levels at which agents can operate and…

Human-Computer Interaction · Computer Science 2026-04-07 Zhiping Zhang , Yi Evie Zhang , Freda Shi , Tianshi Li

Existing large language model (LLM) based memory systems apply universal, static policies that overlook a fundamental reality: the contexts that are worth storing in memory are different across users. This misalignment wastes limited memory…

Artificial Intelligence · Computer Science 2026-05-26 Yeonjun In , Wonjoong Kim , Sangwu Park , Kanghoon Yoon , Chanyoung Park

The paper introduces confidential computing approaches focused on protecting hierarchical data within edge-cloud network. Edge-cloud network suggests splitting and sharing data between the main cloud and the range of networks near the…

Cryptography and Security · Computer Science 2023-06-21 Yeghisabet Alaverdyan , Suren Poghosyan , Vahagn Poghosyan

Large Language Model (LLM) agents require persistent memory to maintain personalization, factual continuity, and long-horizon reasoning, yet standard context-window and retrieval-augmented generation (RAG) pipelines degrade over…

Artificial Intelligence · Computer Science 2026-04-07 Shu Wang , Edwin Yu , Oscar Love , Tom Zhang , Tom Wong , Steve Scargall , Charles Fan

The emergence of cloud computing provides a new computing paradigm for users -- massive and complex computing tasks can be outsourced to cloud servers. However, the privacy issues also follow. Fully homomorphic encryption shows great…

Cryptography and Security · Computer Science 2021-04-01 Lizhi Xiong , Wenhao Zhou , Zhihua Xia , Qi Gu , Jian Weng

Privacy preservation is addressed for decentralized optimization, where $N$ agents cooperatively minimize the sum of $N$ convex functions private to these individual agents. In most existing decentralized optimization approaches,…

Optimization and Control · Mathematics 2018-07-03 Chunlei Zhang , Muaz Ahmad , Yongqiang Wang

The burgeoning technology of Mobile Edge Computing is attracting the traditional LBS and LS to deploy due to its nature characters such as low latency and location awareness. Although this transplant will avoid the location privacy threat…

Cryptography and Security · Computer Science 2018-04-06 Hongli Zhang , Yuhang Wang , Xiaojiang Du , Mohsen Guizani

Computational resource constraints on edge devices make it difficult to develop a fully embedded AI companion system with a satisfactory user experience. AI companion and memory systems detailed in existing literature cannot be directly…

Artificial Intelligence · Computer Science 2026-01-14 Rahul Gupta , Stephen D. H. Hsu

In the current paradigm of digital personalized services, the centralized management of personal data raises significant privacy concerns, security vulnerabilities, and diminished individual autonomy over sensitive information. Despite…

Cryptography and Security · Computer Science 2025-09-12 Osama Zafar , Mina Namazi , Yuqiao Xu , Youngjin Yoo , Erman Ayday

With the widespread application of large language models (LLMs), user privacy protection has become a significant research topic. Existing privacy preference modeling methods often rely on large-scale user data, making effective privacy…

Cryptography and Security · Computer Science 2025-05-13 Haowei Yang , Qingyi Lu , Yang Wang , Sibei Liu , Jiayun Zheng , Ao Xiang

A large amount of data and applications need to be shared with various parties and stakeholders in the cloud environment for storage, computation, and data utilization. Since a third party operates the cloud platform, owners cannot fully…

Cryptography and Security · Computer Science 2022-12-26 Ashutosh Kumar Singh , Rishabh Gupta

Recent advances in Retrieval-Augmented Generation (RAG) have enabled large language models (LLMs) to ground outputs in clinical evidence. However, connecting LLMs with external databases introduces the risk of contextual leakage: a subtle…

Computation and Language · Computer Science 2026-03-17 Shaowei Guan , Yu Zhai , Hin Chi Kwok , Jiawei Du , Xinyu Feng , Jing Li , Harry Qin , Vivian Hui

The large-scale deployment of personalized healthcare agents demands memory mechanisms that are exceptionally precise, safe, and capable of long-term clinical tracking. However, existing benchmarks primarily focus on daily open-domain…

Artificial Intelligence · Computer Science 2026-05-13 Yihao Wang , Haoran Xu , Renjie Gu , Yixuan Ye , Xinyi Chen , Xinyu Mu , Yuan Gao , Chunxiao Guo , Peng Wei , Jinjie Gu , Huan Li , Ke Chen , Lidan Shou

Privacy-preserving data processing refers to the methods and models that allow computing and analyzing sensitive data with a guarantee of confidentiality. As cloud computing and applications that rely on data continue to expand, there is an…

Cryptography and Security · Computer Science 2026-01-13 Gaurav Sarraf , Vibhor Pal

Self-evolving memory systems are unprecedentedly reshaping the evolutionary paradigm of large language model (LLM)-based agents. Prior work has predominantly relied on manually engineered memory architectures to store trajectories, distill…

Computation and Language · Computer Science 2025-12-23 Guibin Zhang , Haotian Ren , Chong Zhan , Zhenhong Zhou , Junhao Wang , He Zhu , Wangchunshu Zhou , Shuicheng Yan

Many computer vision systems require users to upload image features to the cloud for processing and storage. These features can be exploited to recover sensitive information about the scene or subjects, e.g., by reconstructing the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Mihai Dusmanu , Johannes L. Schönberger , Sudipta N. Sinha , Marc Pollefeys

To enable personalized and context-aware interactions, conversational AI systems have introduced a new mechanism: Memory. Memory creates what we refer to as the Algorithmic Self-portrait - a new form of personalization derived from users'…

While large-scale face datasets have advanced deep learning-based face analysis, they also raise privacy concerns due to the sensitive personal information they contain. Recent schemes have implemented differential privacy to protect face…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Xiaoting Zhang , Tao Wang , Junhao Ji

Face recognition service has been used in many fields and brings much convenience to people. However, once the user's facial data is transmitted to a service provider, the user will lose control of his/her private data. In recent years,…

Cryptography and Security · Computer Science 2023-11-14 Yuwen Pu , Jiahao Chen , Jiayu Pan , Hao li , Diqun Yan , Xuhong Zhang , Shouling Ji

Personalized AI agents rely on access to a user's digital footprint, which often includes sensitive data from private emails, chats and purchase histories. Yet this access creates a fundamental societal and privacy risk: systems lacking…

Computation and Language · Computer Science 2026-01-01 Srija Mukhopadhyay , Sathwik Reddy , Shruthi Muthukumar , Jisun An , Ponnurangam Kumaraguru