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Localizing the root cause of network faults is crucial to network operation and maintenance. However, due to the complicated network architectures and wireless environments, as well as limited labeled data, accurately localizing the true…

机器学习 · 计算机科学 2022-03-08 Chaoli Zhang , Zhiqiang Zhou , Yingying Zhang , Linxiao Yang , Kai He , Qingsong Wen , Liang Sun

Systems of networked mobile robots, such as unmanned aerial or ground vehicles, will play important roles in future military and commercial applications. The communications for such systems will typically be over wireless links and may…

网络与互联网体系结构 · 计算机科学 2011-09-01 Leenhapat Navaravong , John M. Shea , Eduardo L. Pasiliao , Gregory L. Barnette , Warren E. Dixon

In a sensor network, in practice, the communication among sensors is subject to:(1) errors or failures at random times; (3) costs; and(2) constraints since sensors and networks operate under scarce resources, such as power, data rate, or…

信息论 · 计算机科学 2009-11-13 Soummya Kar , Jose M. F. Moura

Identifying an optimal set of driver nodes to achieve synchronization via pinning control is a fundamental challenge in complex network science, limited by computational intractability and the lack of general theory. Here, leveraging a…

系统与控制 · 电气工程与系统科学 2025-11-25 Qingyang Liu , Tianlong Fan , Liming Pan , Linyuan Lü

This research work seeks to explore and identify strategies that can determine road topology information in 2D and 3D under highly dynamic urban driving scenarios. To facilitate this exploration, we introduce a substantial dataset…

计算机视觉与模式识别 · 计算机科学 2023-11-06 David Paz , Narayanan E. Ranganatha , Srinidhi K. Srinivas , Yunchao Yao , Henrik I. Christensen

Tampering of metering infrastructure of an electrical distribution system can significantly cause customers' billing discrepancy. The large-scale deployment of smart meters may potentially be tampered by malware by propagating their agents…

密码学与安全 · 计算机科学 2019-05-01 Yachen Tang , Chee-Wooi Ten , Kevin P. Schneider

In this note we describe an application of low-high orders in fault-tolerant network design. Baswana et al. [DISC 2015] study the following reachability problem. We are given a flow graph $G = (V, A)$ with start vertex $s$, and a spanning…

数据结构与算法 · 计算机科学 2015-11-25 Loukas Georgiadis , Robert E. Tarjan

Accurate three-dimensional (3D) tooth segmentation from Cone-Beam Computed Tomography (CBCT) is a prerequisite for digital dental workflows. However, achieving high-fidelity segmentation remains challenging due to adhesion artifacts in…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Bing Yu , Liu Shi , Haitao Wang , Deran Qi , Xiang Cai , Wei Zhong , Qiegen Liu

Deep neural networks (DNNs) often suffer from the overconfidence issue, where incorrect predictions are made with high confidence scores, hindering the applications in critical systems. In this paper, we propose a novel approach called…

计算机视觉与模式识别 · 计算机科学 2024-11-08 Yijun Liu , Jiequan Cui , Zhuotao Tian , Senqiao Yang , Qingdong He , Xiaoling Wang , Jingyong Su

This paper focuses on the optimal sensor placement problem for the identification of pipe failure locations in large-scale urban water systems. The problem involves selecting the minimum number of sensors such that every pipe failure can be…

系统与控制 · 计算机科学 2016-03-23 Lina Sela Perelman , Waseem Abbas , Xenofon Koutsoukos , Saurabh Amin

We consider the minimum spanning tree problem in a setting where information about the edge weights of the given graph is uncertain. Initially, for each edge $e$ of the graph only a set $A_e$, called an uncertainty area, that contains the…

数据结构与算法 · 计算机科学 2008-02-21 Thomas Erlebach , Michael Hoffmann , Danny Krizanc , Matús Mihal'ák , Rajeev Raman

Simulations have shown that while semi-definite relaxations of AC optimal power flow (AC-OPF) on three-phase radial networks with only wye connections tend to be exact, the presence of delta connections seem to render them inexact. This…

最优化与控制 · 数学 2020-05-19 Fengyu Zhou , Ahmed S. Zamzam , Steven H. Low , Nicholas D. Sidiropoulos

This paper considers a natural fault-tolerant shortest paths problem: for some constant integer $f$, given a directed weighted graph with no negative cycles and two fixed vertices $s$ and $t$, compute (either explicitly or implicitly) for…

数据结构与算法 · 计算机科学 2022-09-16 Virginia Vassilevska Williams , Eyob Woldeghebriel , Yinzhan Xu

With high throughput networks acquiring a crucial role in supporting data-intensive applications, a variety of data center network topologies have been proposed to achieve high capacity at low cost. While this literature explores a large…

网络与互联网体系结构 · 计算机科学 2014-02-13 Ankit Singla , P. Brighten Godfrey , Alexandra Kolla

Real-time network verification promises to automatically detect violations of network-wide reachability invariants on the data plane. To be useful in practice, these violations need to be detected in the order of milliseconds, without…

网络与互联网体系结构 · 计算机科学 2017-03-02 Alex Horn , Ali Kheradmand , Mukul R. Prasad

Performance monitoring, anomaly detection, and root-cause analysis in complex cyber-physical systems (CPSs) are often highly intractable due to widely diverse operational modes, disparate data types, and complex fault propagation…

机器学习 · 统计学 2018-06-01 Chao Liu , Kin Gwn Lore , Zhanhong Jiang , Soumik Sarkar

An electric power distribution system is operated in several distinct radial topologies by opening and closing of system's sectionalizing and tie switches. The estimation of the system's current operational topology is a precursor to…

系统与控制 · 电气工程与系统科学 2019-12-11 Anandini Gandluru , Shiva Poudel , Anamika Dubey

Networks are hard to configure correctly, and misconfigurations occur frequently, leading to outages or security breaches. Formal verification techniques have been applied to guarantee the correctness of network configurations, thereby…

网络与互联网体系结构 · 计算机科学 2022-06-07 Divya Raghunathan , Ryan Beckett , Aarti Gupta , David Walker

Safra's distributed termination detection algorithm employs a logical token ring structure within a distributed network; only passive nodes forward the token, and a counter in the token keeps track of the number of sent minus the number of…

分布式、并行与集群计算 · 计算机科学 2026-02-03 Wan Fokkink , Georgios Karlos , Andy Tatman

Reconstructing a network of dynamic systems from observational data is an active area of research. Many approaches guarantee a consistent reconstruction under the relatively strong assumption that the network dynamics is governed by…

系统与控制 · 电气工程与系统科学 2020-11-12 Mihaela Dimovska , Donatello Materassi