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We give a new randomized LP-rounding 1.725-approximation algorithm for the metric Fault-Tolerant Uncapacitated Facility Location problem. This improves on the previously best known 2.076-approximation algorithm of Swamy & Shmoys. To the…

Data Structures and Algorithms · Computer Science 2015-05-18 Jaroslaw Byrka , Aravind Srinivasan , Chaitanya Swamy

The advent of Cloud Computing enabled the proliferation of IoT applications for smart environments. However, the distance of these resources makes them unsuitable for delay-sensitive applications. Hence, Fog Computing has emerged to provide…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-06-13 Maad Ebrahim , Abdelhakim Hafid

Positive--Unlabeled (PU) learning considers settings in which only positive and unlabeled data are available, while negatives are missing or left unlabeled. This situation is common in real applications where annotating reliable negatives…

Machine Learning · Computer Science 2025-10-30 Miao Zhang , Junpeng Li , Changchun Hua , Yana Yang

Modern climate projections often suffer from inadequate spatial and temporal resolution due to computational limitations, resulting in inaccurate representations of sub-grid processes. A promising technique to address this is the Multiscale…

This study addresses the challenge of resource scheduling optimization in edge-cloud collaborative computing using deep reinforcement learning (DRL). The proposed DRL-based approach improves task processing efficiency, reduces overall…

Machine Learning · Computer Science 2025-04-30 Yuqing Wang , Xiao Yang

As large language models (LLMs) evolve, deploying them solely in the cloud or compressing them for edge devices has become inadequate due to concerns about latency, privacy, cost, and personalization. This survey explores a collaborative…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-07-23 Senyao Li , Haozhao Wang , Wenchao Xu , Rui Zhang , Song Guo , Jingling Yuan , Xian Zhong , Tianwei Zhang , Ruixuan Li

The widespread adoption of Language Models (LMs) across industries is driving interest in deploying these services across the computing continuum, from the cloud to the network edge. This shift aims to reduce costs, lower latency, and…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-05-30 SiYoung Jang , Roberto Morabito

Large language models (LLMs) have recently achieved significant success across various application domains, garnering substantial attention from different communities. Unfortunately, even for the best LLM, many \textit{faults} still exist…

Software Engineering · Computer Science 2024-11-06 Qiang Hu , Jin Wen , Maxime Cordy , Yuheng Huang , Wei Ma , Xiaofei Xie , Lei Ma

Large language models (LLMs) have significantly facilitated human life, and prompt engineering has improved the efficiency of these models. However, recent years have witnessed a rise in prompt engineering-empowered attacks, leading to…

Cryptography and Security · Computer Science 2025-02-03 Haiyang Huang , Tianhui Meng , Weijia Jia

Software Fault Localization refers to the activity of finding code elements (e.g., statements) that are related to a software failure. The state-of-the-art fault localization techniques, however, produce coarse-grained results that can…

Software Engineering · Computer Science 2021-11-16 Shangwen Wang , Kui Liu , Bo Lin , Li Li , Jacques Klein , Xiaoguang Mao , Tegawendé F. Bissyandé

Federated learning has recently gained significant attention and popularity due to its effectiveness in training machine learning models on distributed data privately. However, as in the single-node supervised learning setup, models trained…

Machine Learning · Computer Science 2022-10-27 Motasem Alfarra , Juan C. Pérez , Egor Shulgin , Peter Richtárik , Bernard Ghanem

The ubiquitous use of IoT and machine learning applications is creating large amounts of data that require accurate and real-time processing. Although edge-based smart data processing can be enabled by deploying pretrained models, the…

Machine Learning · Computer Science 2021-09-15 Yinghan Long , Indranil Chakraborty , Gopalakrishnan Srinivasan , Kaushik Roy

Ethereum has become a widely used platform to enable secure, Blockchain-based financial and business transactions. However, many identified bugs and vulnerabilities in smart contracts have led to serious financial losses, which raises…

Software Engineering · Computer Science 2021-07-06 Zhipeng Gao

We introduce a novel validation framework to measure the true robustness of learning models for real-world applications by creating source-inclusive and source-exclusive partitions in a dataset via clustering. We develop a robustness metric…

Machine Learning · Computer Science 2017-04-04 Ozsel Kilinc , Ismail Uysal

Vulnerability detection is crucial to protect software security. Nowadays, deep learning (DL) is the most promising technique to automate this detection task, leveraging its superior ability to extract patterns and representations within…

Software Engineering · Computer Science 2026-02-13 Yuejun Guo , Qiang Hu , Qiang Tang , Yves Le Traon

Federated Learning is a framework that jointly trains a model \textit{with} complete knowledge on a remotely placed centralized server, but \textit{without} the requirement of accessing the data stored in distributed machines. Some work…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-10-26 Jia Qian , Lars Kai Hansen , Xenofon Fafoutis , Prayag Tiwari , Hari Mohan Pandey

Trusted Execution Environments (TEEs) are critical components of modern secure computing, providing isolated zones in processors to safeguard sensitive data and execute secure operations. Despite their importance, TEEs are increasingly…

Cryptography and Security · Computer Science 2024-11-25 Aaron Joy , Ben Soh , Zhi Zhang , Sri Parameswaran , Darshana Jayasinghe

In cryptographic engineering, extensive attention has been devoted to ameliorating the performance and security of the algorithms within. Nonetheless, in the state-of-the-art, the approaches for increasing the reliability of the efficient…

Cryptography and Security · Computer Science 2018-04-19 Mehran Mozaffari Kermani , Reza Azarderakhsh , Siavash Bayat-Sarmadi

Parameter-efficient fine-tuning (PEFT) significantly reduces computational and memory costs by updating only a small subset of the model's parameters, enabling faster adaptation to new tasks with minimal loss in performance. Previous…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Manish Dhakal , Venkat R. Dasari , Rajshekhar Sunderraman , Yi Ding

Automated fault localization requires connecting an observed test failure to the responsible method across thousands of candidates--a task that purely statistical approaches handle with limited precision and that LLMs cannot yet handle at…

Software Engineering · Computer Science 2026-05-14 Mahdi Farzandway , Fatemeh Ghassemi