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The increasing popularity of electric vehicles (EVs) necessitates robust defenses against sophisticated cyber threats. A significant challenge arises when EVs intentionally provide false information to gain higher charging priority,…

密码学与安全 · 计算机科学 2024-07-08 Mohammed Al-Mehdhar , Abdullatif Albaseer , Mohamed Abdallah , Ala Al-Fuqaha

Models trained via empirical risk minimization (ERM) are known to rely on spurious correlations between labels and task-independent input features, resulting in poor generalization to distributional shifts. Group distributionally robust…

机器学习 · 计算机科学 2022-12-12 Bhargavi Paranjape , Pradeep Dasigi , Vivek Srikumar , Luke Zettlemoyer , Hannaneh Hajishirzi

Machine learning systems trained on user-provided data are susceptible to data poisoning attacks, whereby malicious users inject false training data with the aim of corrupting the learned model. While recent work has proposed a number of…

机器学习 · 计算机科学 2017-11-27 Jacob Steinhardt , Pang Wei Koh , Percy Liang

Federated learning has exhibited vulnerabilities to Byzantine attacks, where the Byzantine attackers can send arbitrary gradients to a central server to destroy the convergence and performance of the global model. A wealth of robust…

机器学习 · 计算机科学 2023-06-06 Yuchen Liu , Chen Chen , Lingjuan Lyu , Fangzhao Wu , Sai Wu , Gang Chen

We introduce a game of trusted computation in which a sensor equipped with limited computing power leverages a central node to evaluate a specified function over a large dataset, collected over time. We assume that the central computer can…

计算机科学与博弈论 · 计算机科学 2016-11-09 Shaunak D. Bopardikar , Alberto Speranzon , Cedric Langbort

Retrieval-Augmented Generation (RAG) enhances large language models by integrating external knowledge, but reliance on proprietary or sensitive corpora poses various data risks, including privacy leakage and unauthorized data usage.…

密码学与安全 · 计算机科学 2025-11-18 Hao Li , Jiajun He , Guangshuo Wang , Dengguo Feng , Zheng Li , Min Zhang

We study a sequential resource allocation problem between a fixed number of arms. On each iteration the algorithm distributes a resource among the arms in order to maximize the expected success rate. Allocating more of the resource to a…

机器学习 · 计算机科学 2018-03-29 Yuval Dagan , Koby Crammer

Instruction set randomization (ISR) was initially proposed with the main goal of countering code-injection attacks. However, ISR seems to have lost its appeal since code-injection attacks became less attractive because protection mechanisms…

密码学与安全 · 计算机科学 2017-03-09 Dean Sullivan , Orlando Arias , David Gens , Lucas Davi , Ahmad-Reza Sadeghi , Yier Jin

Recent years have witnessed increasing interest in machine learning inferences on serverless computing for its auto-scaling and cost effective properties. Existing serverless computing, however, lacks effective job scheduling methods to…

分布式、并行与集群计算 · 计算机科学 2024-04-26 Xinning Hui , Yuanchao Xu , Zhishan Guo , Xipeng Shen

Blockchain like Bitcoin and Ethereum suffer from scalability issues. Sharding is one of the most promising and leading solutions to scale blockchain. The basic idea behind sharding is to divide the blockchain network into multiple…

密码学与安全 · 计算机科学 2021-04-16 Hafid Abdelatif , Senhaji Hafid Abdelhakim , Samih Mustapha

In this paper, we allocate IoT devices as resources for smart services with time-constrained resource requirements. The allocation method named as BRAD can work under multiple resource scenarios with diverse resource richnesses,…

计算机与社会 · 计算机科学 2022-11-11 Jiashu Wu , Hao Dai , Yang Wang , Zhiying Tu

Adversarial attacks attempt to disrupt the training, retraining and utilizing of artificial intelligence and machine learning models in large-scale distributed machine learning systems. This causes security risks on its prediction outcome.…

密码学与安全 · 计算机科学 2021-09-07 Yusen Wu , Hao Chen , Xin Wang , Chao Liu , Phuong Nguyen , Yelena Yesha

Many users implicitly assume that software can only be exploited after it is installed. However, recent supply-chain attacks demonstrate that application integrity must be ensured during installation itself. We introduce SIGL, a new tool…

密码学与安全 · 计算机科学 2021-06-24 Xueyuan Han , Xiao Yu , Thomas Pasquier , Ding Li , Junghwan Rhee , James Mickens , Margo Seltzer , Haifeng Chen

Critical energy infrastructures are increasingly relying on advanced sensing and control technologies for efficient and optimal utilization of flexible energy resources. Algorithmic procedures are needed to ensure that such systems are…

系统与控制 · 电气工程与系统科学 2022-03-29 Nawaf Nazir , Thiagarajan Ramachandran , Saptarshi Bhattacharya , Ankit Singhal , Soumya Kundu , Veronica Adetola

Internet of Things (IoT) networks are becoming a part of our daily lives, as the number of IoT devices around us are surging. The authentication of millions of connected things and the distribution and management of secret keys between…

密码学与安全 · 计算机科学 2022-03-08 Yucel Aydin , Gunes Karabulut Kurt , Enver Özdemir , Halim Yanikomeroglu

Recent advances in large-scale distributed learning algorithms have enabled communication-efficient training via SignSGD. Unfortunately, a major issue continues to plague distributed learning: namely, Byzantine failures may incur serious…

信息论 · 计算机科学 2020-10-27 Jy-yong Sohn , Dong-Jun Han , Beongjun Choi , Jaekyun Moon

Space-air-ground integrated network (SAGIN) is a new type of wireless network mode. The effective management of SAGIN resources is a prerequisite for high-reliability communication. However, the storage capacity of space-air network segment…

网络与互联网体系结构 · 计算机科学 2022-02-07 Chao Wang , Lei Liu , Chunxiao Jiang , Shangguang Wang , Peiying Zhang , Shigen Shen

Safe reinforcement learning (safe RL) aims to respect safety requirements while optimizing long-term performance. In many practical applications, however, the problem involves an infinite number of constraints, known as semi-infinite safe…

机器学习 · 计算机科学 2025-11-07 Jiaming Zhang , Yujie Yang , Haoning Wang , Liping Zhang , Shengbo Eben Li

Dynamic partial reconfiguration enables multi-tenancy in cloud-based FPGAs, which presents security challenges for tenants, IPs, and data. Malicious users can exploit FPGAs for remote side-channel attacks (SCAs), and shared on-chip…

密码学与安全 · 计算机科学 2023-03-14 Mahya Morid Ahmadi , Faiq Khalid , Radha Vaidya , Florian Kriebel , Andreas Steininger , Muhammad Shafique

Containment of epidemic outbreaks entails great societal and economic costs. Cost-effective containment strategies rely on efficiently identifying infected individuals, making the best possible use of the available testing resources.…

种群与进化 · 定量生物学 2020-12-01 Laura Natali , Saga Helgadottir , Onofrio M. Marago , Giovanni Volpe