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Proactive caching is essential for minimizing latency and improving Quality of Experience (QoE) in multi-server edge networks. Federated Deep Reinforcement Learning (FDRL) is a promising approach for developing cache policies tailored to…

网络与互联网体系结构 · 计算机科学 2024-12-18 Zhen Li , Tan Li , Hai Liu , Tse-Tin Chan

Convolutional Neural Networks (CNNs) are well-known for their vulnerability to adversarial attacks, posing significant security concerns. In response to these threats, various defense methods have emerged to bolster the model's robustness.…

计算机视觉与模式识别 · 计算机科学 2024-06-14 Jiacong Hu , Jingwen Ye , Zunlei Feng , Jiazhen Yang , Shunyu Liu , Xiaotian Yu , Lingxiang Jia , Mingli Song

In this paper, we extend the vertical modeling approach for the analysis of survival data with competing risks to incorporate a cured fraction in the population, that is, a proportion of the population for which none of the competing events…

统计方法学 · 统计学 2015-08-18 M. A. Nicolaie , J. M. G. Taylor , C. Legrand

Concurrent estimation and control of robotic systems remains an ongoing challenge, where controllers rely on data extracted from states/parameters riddled with uncertainties and noises. Framework suitability hinges on task complexity and…

机器人学 · 计算机科学 2023-10-09 Reza Ahmadvand , Sarah Safura Sharif , Yaser Mike Banad

We introduce conditional push-forward neural networks (CPFN), a generative framework for conditional distribution estimation. Instead of directly modeling the conditional density $f_{Y|X}$, CPFN learns a stochastic map…

机器学习 · 计算机科学 2025-12-23 Nicola Rares Franco , Lorenzo Tedesco

This paper introduces a Random Survival Forest (RSF) method for functional data. The focus is specifically on defining a new functional data structure, the Censored Functional Data (CFD), for dealing with temporal observations that are…

统计方法学 · 统计学 2025-02-25 Elvira Romano , Giuseppe Loffredo , Fabrizio Maturo

Survival analysis is complicated by censored data, high-dimensional features, and non-linear interactions. Classical models offer interpretability and superior calibration but are restricted to linear or predefined functional forms, while…

机器学习 · 计算机科学 2026-05-19 Mohammad Ashhad , Robert Hoehndorf , Ricardo Henao

It is generally believed that robust training of extremely large networks is critical to their success in real-world applications. However, when taken to the extreme, methods that promote robustness can hurt the model's sensitivity to rare…

机器学习 · 计算机科学 2021-05-21 Seungyeon Kim , Daniel Glasner , Srikumar Ramalingam , Cho-Jui Hsieh , Kishore Papineni , Sanjiv Kumar

Uncertainty is a fundamental aspect of real-world scenarios, where perfect information is rarely available. Humans naturally develop complex internal models to navigate incomplete data and effectively respond to unforeseen or partially…

机器学习 · 计算机科学 2025-08-08 Wenhao Liang , Chang Dong , Liangwei Zheng , Wei Zhang , Weitong Chen

The viscosity of the suspension consisting of fine particles dispersed in a Newtonian liquid diverges close to the jamming packing fraction. The contact microstructure in suspensions governs this macroscopic behavior in the vicinity of…

软凝聚态物质 · 物理学 2025-02-28 Armin Aminimajd , Joao Maia , Abhinendra Singh

We have developed an image-based convolutional neural network (CNN) that is applicable for quantitative time-resolved measurements of the fragmentation behavior of opaque brittle materials using ultra-high speed optical imaging. This model…

材料科学 · 物理学 2024-07-19 Erwin Cazares , Brian E. Schuster

In machine learning for fluid mechanics, fully-connected neural network (FNN) only uses the local features for modelling, while the convolutional neural network (CNN) cannot be applied to data on structured/unstructured mesh. In order to…

流体动力学 · 物理学 2021-01-14 Mengfei Xu , Shufang Song , Xuxiang Sun , Weiwei Zhang

Semiparametric joint models of longitudinal and competing risks data are computationally costly and their current implementations do not scale well to massive biobank data. This paper identifies and addresses some key computational barriers…

统计方法学 · 统计学 2022-02-10 Shanpeng Li , Ning Li , Hong Wang , Jin Zhou , Hua Zhou , Gang Li

Functional magnetic resonance (fMRI) is an invaluable tool in studying cognitive processes in vivo. Many recent studies use functional connectivity (FC), partial correlation connectivity (PC), or fMRI-derived brain networks to predict…

神经元与认知 · 定量生物学 2023-08-04 Anton Orlichenko , Gang Qu , Kuan-Jui Su , Anqi Liu , Hui Shen , Hong-Wen Deng , Yu-Ping Wang

In this paper, we present Deep-MacroFin, a comprehensive framework designed to solve partial differential equations, with a particular focus on models in continuous time economics. This framework leverages deep learning methodologies,…

机器学习 · 计算机科学 2025-05-15 Yuntao Wu , Jiayuan Guo , Goutham Gopalakrishna , Zissis Poulos

In decentralized financial systems, robust and efficient Federated Learning (FL) is promising to handle diverse client environments and ensure resilience to systemic risks. We propose Federated Risk-Aware Learning with Central Sensitivity…

机器学习 · 计算机科学 2025-02-26 Lei Zhao , Lin Cai , Wu-Sheng Lu

With the development of the financial industry, credit default prediction, as an important task in financial risk management, has received increasing attention. Traditional credit default prediction methods mostly rely on machine learning…

风险管理 · 定量金融 2024-12-25 Yuhan Wang , Zhen Xu , Yue Yao , Jinsong Liu , Jiating Lin

Deep learning usually requires large amounts of labeled training data, but annotating data is costly and tedious. The framework of semi-supervised learning provides the means to use both labeled data and arbitrary amounts of unlabeled data…

计算机视觉与模式识别 · 计算机科学 2019-04-19 Christoph Baur , Shadi Albarqouni , Nassir Navab

Collaborative filtering (CF) stands as a cornerstone in recommender systems, yet effectively leveraging the massive unlabeled data presents a significant challenge. Current research focuses on addressing the challenge of unlabeled data by…

信息检索 · 计算机科学 2024-12-25 Yuhan Zhao , Rui Chen , Qilong Han , Hongtao Song , Li Chen

Carbon fiber-reinforced composites (CFRC) are pivotal in advanced engineering applications due to their exceptional mechanical properties. A deep understanding of CFRC behavior under mechanical loading is essential for optimizing…

机器学习 · 计算机科学 2025-04-22 Zeping Chen , Marwa Yacouti , Maryam Shakiba , Jian-Xun Wang , Tengfei Luo , Vikas Varshney