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Phasor measurement units (PMUs) are integrated to the transmission networks under the smart grid umbrella. The observability of PMUs is geographically limited due to their high cost in integration. The measurements of PMUs can be…

系统与控制 · 计算机科学 2017-06-12 HyungSeon Oh

There has been considerable research into improving Fast Fourier Transform (FFT) performance through parallelization and optimization for specialized hardware. However, even with those advancements, processing of very large files, over 1TB…

分布式、并行与集群计算 · 计算机科学 2014-07-28 Rostislav Tsiomenko , Bradley S. Rees

This paper proposes an algorithm based on a staged sliding window Transformer architecture to detect abnormal behaviors in the microstructure of the foreign exchange market, focusing on high-frequency EUR/USD trading data. The method…

机器学习 · 计算机科学 2025-04-02 Qiuliuyang Bao , Jiawei Wang , Hao Gong , Yiwei Zhang , Xiaojun Guo , Hanrui Feng

Multi-task learning is effective for related applications, but its performance can deteriorate when the target sample size is small. Transfer learning can borrow strength from related studies; yet, many existing methods rely on restrictive…

机器学习 · 计算机科学 2026-04-23 Boxin Zhao , Mladen Kolar , Jinchi Lv

Online transient stability assessment (TSA) is essential for secure and stable power system operations. The growing number of Phasor Measurement Units (PMUs) brings about massive sources of data that can enhance online TSA. However,…

系统与控制 · 电气工程与系统科学 2021-12-16 Rui Ma , Sara Eftekharnejad , Chen Zhong , Mustafa Cenk Gursoy

This study proposes an anomaly detection method based on the Transformer architecture with integrated multiscale feature perception, aiming to address the limitations of temporal modeling and scale-aware feature representation in cloud…

机器学习 · 计算机科学 2025-08-26 Lian Lian , Yilin Li , Song Han , Renzi Meng , Sibo Wang , Ming Wang

This paper presents a novel high speed clustering scheme for high dimensional data streams. Data stream clustering has gained importance in different applications, for example, in network monitoring, intrusion detection, and real-time…

数据库 · 计算机科学 2015-10-13 Irshad Ahmed , Irfan Ahmed , Waseem Shahzad

$\textbf{Objective}$: To develop a multi-channel device event segmentation and feature extraction algorithm that is robust to changes in data distribution. $\textbf{Methods}$: We introduce an adaptive transfer learning algorithm to classify…

Fast and accurate knowledge of power flows and power injections is needed for a variety of applications in the electric grid. Phasor measurement units (PMUs) can be used to directly compute them at high speeds; however, a large number of…

系统与控制 · 电气工程与系统科学 2026-02-11 Satyaprajna Sahoo , Anwarul Islam Sifat , Anamitra Pal

Temporal modelling is the key for efficient video action recognition. While understanding temporal information can improve recognition accuracy for dynamic actions, removing temporal redundancy and reusing past features can significantly…

计算机视觉与模式识别 · 计算机科学 2021-02-12 Yue Meng , Rameswar Panda , Chung-Ching Lin , Prasanna Sattigeri , Leonid Karlinsky , Kate Saenko , Aude Oliva , Rogerio Feris

In this study, we introduce an innovative methodology for the design of mm-Wave passive networks that leverages knowledge transfer from a pre-trained synthesis neural network (NN) model in one technology node and achieves swift and reliable…

信号处理 · 电气工程与系统科学 2025-03-12 Chenhao Chu , Yuhao Mao , Hua Wang

Streaming anomaly detection requires algorithms that operate under strict constraints: bounded memory, single-pass processing, and constant-time complexity. We present PySAD, a comprehensive Python framework addressing these challenges…

机器学习 · 计算机科学 2025-05-27 Selim F. Yilmaz , Suleyman S. Kozat

Machine learning models deployed in real-world settings must operate under evolving data distributions and constrained computational resources. This challenge is particularly acute in non-stationary domains such as energy time series,…

机器学习 · 计算机科学 2026-03-17 Daniel Bretsko , Piotr Walas , Devashish Khulbe , Sebastian Stros , Stanislav Sobolevsky , Tomas Satura

Over the last few decades, extensive use of information and communication technologies has been the main driver of the digitalization of power systems. Proper and secure monitoring of the critical grid infrastructure became an integral part…

机器学习 · 计算机科学 2022-09-27 Yuval Abraham Regev , Henrik Vassdal , Ugur Halden , Ferhat Ozgur Catak , Umit Cali

Transfer learning for bio-signals has recently become an important technique to improve prediction performance on downstream tasks with small bio-signal datasets. Recent works have shown that pre-training a neural network model on a large…

机器学习 · 计算机科学 2024-12-19 Eloy Geenjaar , Lie Lu

IoT Big Data requires new machine learning methods able to scale to large size of data arriving at high speed. Decision trees are popular machine learning models since they are very effective, yet easy to interpret and visualize. In the…

分布式、并行与集群计算 · 计算机科学 2016-07-29 Nicolas Kourtellis , Gianmarco De Francisci Morales , Albert Bifet , Arinto Murdopo

Machine learning software accounts for a significant amount of energy consumed in data centers. These algorithms are usually optimized towards predictive performance, i.e. accuracy, and scalability. This is the case of data stream mining…

机器学习 · 计算机科学 2018-08-06 Eva García-Martín , Niklas Lavesson , Håkan Grahn , Emiliano Casalicchio , Veselka Boeva

Meta-learning methods aim to build learning algorithms capable of quickly adapting to new tasks in low-data regime. One of the most difficult benchmarks of such algorithms is a one-shot learning problem. In this setting many algorithms face…

机器学习 · 计算机科学 2022-10-04 Andrei Boiarov , Kostiantyn Khabarlak , Igor Yastrebov

This letter proposes a new approach for online detection of low-quality synchrophasor data under both normal and event conditions. The proposed approach utilizes the features of synchrophasor data in time and frequency domains to…

系统与控制 · 电气工程与系统科学 2020-11-26 Wenyun Ju , Horacio Silva-Saravia , Neeraj Nayak , Wenxuan Yao , Yichen Zhang , Qingxin Shi , Fan Ye

The rapid proliferation of the Internet of Things (IoT) has brought remarkable advancements to industries by enabling interconnected systems and intelligent automation. However, this exponential growth has also introduced significant…

网络与互联网体系结构 · 计算机科学 2026-02-16 Saadat Izadi , Mahmood Ahmadi