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To enjoy more social network services, users nowadays are usually involved in multiple online sites at the same time. Aligned social networks provide more information to alleviate the problem of data insufficiency. In this paper, we target…

社会与信息网络 · 计算机科学 2019-10-15 Yizhu Jiao , Yun Xiong , Jiawei Zhang , Yangyong Zhu

Power grids are one of the most important components of infrastructure in today's world. Every nation is dependent on the security and stability of its own power grid to provide electricity to the households and industries. A malfunction of…

系统与控制 · 计算机科学 2017-11-13 Biswarup Bhattacharya , Abhishek Sinha

A K-tier heterogeneous mmWave uplink cellular network with clustered user equipments (UEs) is considered in this paper. In particular, UEs are assumed to be clustered around small-cell base stations (BSs) according to a Gaussian…

信息论 · 计算机科学 2021-05-10 Xueyuan Wang , M. Cenk Gursoy

Power quality (PQ) events are recorded by PQ meters whenever anomalous events are detected on the power grid. Using neural networks with machine learning can aid in accurately classifying the recorded waveforms and help power system…

信号处理 · 电气工程与系统科学 2024-09-21 Md Maidul Islam , Md Omar Faruque , Joshua Butterfield , Gaurav Singh , Thomas A. Cooke

We describe a new method called t-ETE for finding a low-dimensional embedding of a set of objects in Euclidean space. We formulate the embedding problem as a joint ranking problem over a set of triplets, where each triplet captures the…

人工智能 · 计算机科学 2017-05-18 Ehsan Amid , Nikos Vlassis , Manfred K. Warmuth

The t-distributed Stochastic Neighbor Embedding (tSNE) algorithm has become in recent years one of the most used and insightful techniques for the exploratory data analysis of high-dimensional data. tSNE reveals clusters of high-dimensional…

An estimation problem of fundamental interest is that of phase synchronization, in which the goal is to recover a collection of phases using noisy measurements of relative phases. It is known that in the Gaussian noise setting, the maximum…

最优化与控制 · 数学 2016-11-02 Huikang Liu , Man-Chung Yue , Anthony Man-Cho So

This technique holds several advantages over contemporary techniques: It utilizes technology that is already deployed in the field, it offers a significant degree of generality, and so far it has displayed a very high-level of sensitivity…

系统与控制 · 电气工程与系统科学 2023-04-05 Gian Paramo , Arturo Bretas , Sean Meyn

We present a novel fault localisation methodology for linear time-invariant electrical networks with infinite-dimensional edge dynamics and uncertain fault dynamics. The theory accommodates instability and also bounded propagation delays in…

系统与控制 · 电气工程与系统科学 2025-04-08 Daniel Selvaratnam , Alessio Moreschini , Amritam Das , Thomas Parisini , Henrik Sandberg

Network Traffic Classification (NTC) is one of the most important tasks in network management. The imbalanced nature of classes on the internet presents a critical challenge in classification tasks. For example, some classes of applications…

机器学习 · 计算机科学 2025-02-27 Matin Shokri , Ramin Hasibi

The nature of stacking faults - whether intrinsic or extrinsic - plays a pivotal role in defect-mediated processes in crystalline materials. Yet, current electron microscopy techniques for their reliable analysis remain limited to either…

Wireless Sensor Networks (WSNs) consist of large number of randomly deployed energy constrained sensor nodes. Sensor nodes have ability to sense and send sensed data to Base Station (BS). Sensing as well as transmitting data towards BS…

网络与互联网体系结构 · 计算机科学 2013-03-22 N. Javaid , T. N. Qureshi , A. H. Khan , A. Iqbal , E. Akhtar , M. Ishfaq

The t-distributed Stochastic Neighbor Embedding (t-SNE) is a powerful and popular method for visualizing high-dimensional data. It minimizes the Kullback-Leibler (KL) divergence between the original and embedded data distributions. In this…

机器学习 · 计算机科学 2018-11-06 Daniel Jiwoong Im , Nakul Verma , Kristin Branson

As power systems evolve with increased integration of renewable energy sources, they become more complex and vulnerable to both cyber and physical threats. This study validates a centralized Dynamic State Estimation (DSE) algorithm designed…

系统与控制 · 电气工程与系统科学 2025-08-05 Emad Abukhousa , Syed Sohail Feroz Syed Afroz , Fahad Alsaeed , Abdulaziz Qwbaiban , A. P. Sakis Meliopoulos

Training the parameters of statistical models to describe a given data set is a central task in the field of data mining and machine learning. A very popular and powerful way of parameter estimation is the method of maximum likelihood…

机器学习 · 计算机科学 2016-03-22 Johannes Blömer , Sascha Brauer , Kathrin Bujna

This paper presents a real-time non-probabilistic detection mechanism to detect load-redistribution (LR) attacks against energy management systems (EMSs). Prior studies have shown that certain LR attacks can bypass conventional bad data…

系统与控制 · 电气工程与系统科学 2021-01-05 Ramin Kaviani , Kory W. Hedman

In the steady-state contingency analysis, the traditional Newton-Raphson method suffers from non-convergence issues when solving post-outage power flow problems, which hinders the integrity and accuracy of security assessment. In this…

分布式、并行与集群计算 · 计算机科学 2021-04-08 Rui Yao , Feng Qiu , Kai Sun

Power efficiency remains a significant challenge in modern optical fiber communication systems, driving efforts to reduce the computational complexity of digital signal processing, particularly in chromatic dispersion compensation (CDC)…

信号处理 · 电气工程与系统科学 2024-09-17 Geraldo Gomes , Pedro Freire , Jaroslaw E. Prilepsky , Sergei K. Turitsyn

Network failure diagnosis is challenging yet critical for high-performance computing (HPC) systems. Existing methods cannot be directly applied to HPC scenarios due to data heterogeneity and lack of accuracy. This paper proposes a novel…

分布式、并行与集群计算 · 计算机科学 2025-09-23 Yongqian Sun , Xijie Pan , Xiao Xiong , Lei Tao , Jiaju Wang , Shenglin Zhang , Yuan Yuan , Yuqi Li , Kunlin Jian

With the proliferation of smart grids, smart cities face growing challenges due to cyber-attacks and sophisticated electricity theft behaviors, particularly in residential photovoltaic (PV) generation systems. Traditional Electricity Theft…

机器学习 · 计算机科学 2025-05-27 Xiaolu Chen , Chenghao Huang , Yanru Zhang , Hao Wang