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200 papers

Object-Oriented Programming (OOP) has become a crucial paradigm for managing the growing complexity of modern software systems, particularly in fields like machine learning, deep learning, large language models (LLM), and data analytics.…

Computation and Language · Computer Science 2025-12-24 Tianyang Wang , Ziqian Bi , Keyu Chen , Jiawei Xu , Qian Niu , Junyu Liu , Benji Peng , Ming Li , Sen Zhang , Xuanhe Pan , Jinlang Wang , Pohsun Feng , Yizhu Wen , Xinyuan Song , Ming Liu

With the proliferation of training data, distributed machine learning (DML) is becoming more competent for large-scale learning tasks. However, privacy concerns have to be given priority in DML, since training data may contain sensitive…

Machine Learning · Computer Science 2020-08-26 Xin Wang , Hideaki Ishii , Linkang Du , Peng Cheng , Jiming Chen

Personalizing language models by effectively incorporating user interaction history remains a central challenge in the development of adaptive AI systems. While large language models (LLMs), combined with Retrieval-Augmented Generation…

Computation and Language · Computer Science 2026-04-14 Mikhail Menschikov , Dmitry Evseev , Victoria Dochkina , Ruslan Kostoev , Ilia Perepechkin , Petr Anokhin , Nikita Semenov , Evgeny Burnaev

Modern database workloads are highly predictable: query streams are dominated by recurring jobs and templates, even when their arrival order is not known in advance. This motivates a learning-augmented view of online differentially private…

Cryptography and Security · Computer Science 2026-05-05 Pranay Mundra , Adam Sealfon , Ziteng Sun , Quanquan C. Liu

Machine learning models should not reveal particular information that is not otherwise accessible. Differential privacy provides a formal framework to mitigate privacy risks by ensuring that the inclusion or exclusion of any single data…

Cryptography and Security · Computer Science 2026-03-12 Francisco Aguilera-Martínez , Fernando Berzal

The proliferation of AI agents, with their complex and context-dependent actions, renders conventional privacy paradigms obsolete. This position paper argues that the current model of privacy management, rooted in a user's unilateral…

Human-Computer Interaction · Computer Science 2025-08-12 Shuning Zhang , Ying Ma , Jingruo Chen , Simin Li , Xin Yi , Hewu Li

It is well known that encryption alone is not enough to protect data privacy. Access patterns, revealed when operations are performed, can also be leveraged in inference attacks. Oblivious RAM (ORAM) hides access patterns by making client…

Cryptography and Security · Computer Science 2025-12-30 Robin Vassantlal , Hasan Heydari , Bernardo Ferreira , Alysson Bessani

Older adults have increasing difficulty with retrospective memory, hindering their abilities to perform daily activities and posing stress on caregivers to ensure their wellbeing. Recent developments in Artificial Intelligence (AI) and…

Human-Computer Interaction · Computer Science 2025-02-05 Natasha Maniar , Samantha W. T. Chan , Wazeer Zulfikar , Scott Ren , Christine Xu , Pattie Maes

In the age of big data, information security has become a major issue of debate, especially with the rise of the Internet of Things (IoT), where attackers can effortlessly obtain physical access to edge devices. The hash algorithm is the…

Cryptography and Security · Computer Science 2022-08-17 Jingyao Zhang , Elaheh Sadredini

Differential privacy (DP), as a promising privacy-preserving model, has attracted great interest from researchers in recent years. Currently, the study on combination of machine learning and DP is vibrant. In contrast, another widely used…

Neural and Evolutionary Computing · Computer Science 2023-07-03 Zhiqiang Zhang , Hong Zhu , Meiyi Xie

We show how oracles which only allow for classical query access can be used to construct a variety of quantum cryptographic primitives which do not require long-term quantum memory or global entanglement. Specifically, if a quantum party…

Quantum Physics · Physics 2025-05-14 Lev Stambler

Multi-user virtual reality enables immersive interaction. However, rendering avatars for numerous participants on each headset incurs prohibitive computational overhead, limiting scalability. We introduce a framework, Privatar, to offload…

Cryptography and Security · Computer Science 2026-04-21 Jianming Tong , Hanshen Xiao , Krishna Kumar Nair , Hao Kang , Ashish Sirasao , Ziqi Zhang , G. Edward Suh , Tushar Krishna

Large Language Models (LLMs) are emerging as powerful enablers for autonomous reasoning and natural-language coordination in unmanned aerial vehicle (UAV) swarms operating within Internet of Things (IoT) environments. However, existing…

Cryptography and Security · Computer Science 2025-12-09 Jifar Wakuma Ayana , Huang Qiming

The vocabulary of language models in Gboard, Google's keyboard application, plays a crucial role for improving user experience. One way to improve the vocabulary is to discover frequently typed out-of-vocabulary (OOV) words on user devices.…

Data Structures and Algorithms · Computer Science 2024-04-19 Ziteng Sun , Peter Kairouz , Haicheng Sun , Adria Gascon , Ananda Theertha Suresh

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

We study secure and privacy-preserving data analysis based on queries executed on samples from a dataset. Trusted execution environments (TEEs) can be used to protect the content of the data during query computation, while supporting…

Cryptography and Security · Computer Science 2020-09-30 Sajin Sasy , Olga Ohrimenko

As AI agents increasingly operate in complex environments, ensuring reliable, context-aware privacy is critical for regulatory compliance. Traditional access controls are insufficient because privacy risks often arise after access is…

End users face a choice between privacy and efficiency in current Large Language Model (LLM) service paradigms. In cloud-based paradigms, users are forced to compromise data locality for generation quality and processing speed. Conversely,…

Artificial Intelligence · Computer Science 2023-11-27 Yiming Wang , Yu Lin , Xiaodong Zeng , Guannan Zhang

We present data-oblivious algorithms in the external-memory model for compaction, selection, and sorting. Motivation for such problems comes from clients who use outsourced data storage services and wish to mask their data access patterns.…

Data Structures and Algorithms · Computer Science 2011-03-29 Michael T. Goodrich

Sensitive information is present on our phones, disks, watches and computers. Its protection is essential. Plausible deniability of stored data allows individuals to deny that their device contains a piece of sensitive information. This…

Cryptography and Security · Computer Science 2017-07-06 Anrin Chakraborti , Chen Chen , Radu Sion