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相关论文: ChronoGraph: A Real-World Graph-Based Multivariate…

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Nowadays, multivariate time series data are increasingly collected in various real world systems, e.g., power plants, wearable devices, etc. Anomaly detection and diagnosis in multivariate time series refer to identifying abnormal status in…

Graph Neural Networks (GNN) have recently gained popularity in the forecasting domain due to their ability to model complex spatial and temporal patterns in tasks such as traffic forecasting and region-based demand forecasting. Most of…

机器学习 · 计算机科学 2023-12-08 Abishek Sriramulu , Nicolas Fourrier , Christoph Bergmeir

Graph Neural Networks (GNNs) have advanced spatiotemporal forecasting by leveraging relational inductive biases among sensors (or any other measuring scheme) represented as nodes in a graph. However, current methods often rely on Recurrent…

机器学习 · 计算机科学 2024-05-30 Aref Einizade , Fragkiskos D. Malliaros , Jhony H. Giraldo

In the era of big data, data-driven based classification has become an essential method in smart manufacturing to guide production and optimize inspection. The industrial data obtained in practice is usually time-series data collected by…

机器学习 · 计算机科学 2021-11-16 Yu Huang , Chao Zhang , Jaswanth Yella , Sergei Petrov , Xiaoye Qian , Yufei Tang , Xingquan Zhu , Sthitie Bom

This paper addresses the challenge of understanding the waiting dependencies between the threads and hardware resources required to complete a task. The objective is to improve software performance by detecting the underlying bottlenecks…

软件工程 · 计算机科学 2021-03-09 Naser Ezzati-Jivan , Quentin Fournier , Michel R. Dagenais , Abdelwahab Hamou-Lhadj

Time series and signals are attracting more attention across statistics, machine learning and pattern recognition as it appears widely in the industry especially in sensor and IoT related research and applications, but few advances has been…

机器学习 · 计算机科学 2018-08-15 Lu Liu , Zhiguang Wang

Anomaly detection in multivariate time series is a central challenge in industrial monitoring, as failures frequently arise from complex temporal dynamics and cross-sensor interactions. While recent deep learning models, including graph…

机器学习 · 计算机科学 2026-04-21 Pooyan Khosravinia , João Gama , Bruno Veloso

The recovery of time-varying graph signals is a fundamental problem with numerous applications in sensor networks and forecasting in time series. Effectively capturing the spatio-temporal information in these signals is essential for the…

信号处理 · 电气工程与系统科学 2023-08-15 Jhon A. Castro-Correa , Jhony H. Giraldo , Anindya Mondal , Mohsen Badiey , Thierry Bouwmans , Fragkiskos D. Malliaros

Semiconductor manufacturing is an extremely complex and precision-driven process, characterized by thousands of interdependent parameters collected across diverse tools and process steps. Multi-variate time-series analysis has emerged as a…

机器学习 · 计算机科学 2025-10-24 Daniel Sorensen , Bappaditya Dey , Minjin Hwang , Sandip Halder

Industrial Control Systems (ICS) underpin critical infrastructure and face growing cyber-physical threats due to the convergence of operational technology and networked environments. While machine learning-based anomaly detection approaches…

机器学习 · 计算机科学 2026-03-12 Kosti Koistinen , Kirsi Hellsten , Joni Herttuainen , Kimmo K. Kaski

Time-evolving traffic flow forecasting are playing a vital role in intelligent transportation systems and smart cities. However, the dynamic traffic flow forecasting is a highly nonlinear problem with complex temporal-spatial dependencies.…

机器学习 · 计算机科学 2025-08-05 Zhenan Lin , Yuni Lai , Wai Lun Lo , Richard Tai-Chiu Hsung , Harris Sik-Ho Tsang , Xiaoyu Xue , Kai Zhou , Yulin Zhu

Many real-world IoT systems, which include a variety of internet-connected sensory devices, produce substantial amounts of multivariate time series data. Meanwhile, vital IoT infrastructures like smart power grids and water distribution…

机器学习 · 计算机科学 2022-01-19 Zekai Chen , Dingshuo Chen , Xiao Zhang , Zixuan Yuan , Xiuzhen Cheng

Outstanding achievements of graph neural networks for spatiotemporal time series analysis show that relational constraints introduce an effective inductive bias into neural forecasting architectures. Often, however, the relational…

机器学习 · 计算机科学 2023-08-03 Andrea Cini , Daniele Zambon , Cesare Alippi

We introduce the asynchronous graph generator (AGG), a novel graph attention network for imputation and prediction of multi-channel time series. Free from recurrent components or assumptions about temporal/spatial regularity, AGG encodes…

机器学习 · 计算机科学 2025-04-18 Christopher P. Ley , Felipe Tobar

As a core task in intelligent transportation systems, traffic forecasting plays a critical role in urban traffic management. Accurate traffic forecasting relies on modeling complex spatiotemporal dependencies, which is inherently…

人工智能 · 计算机科学 2026-05-26 Ruiwen Gu , Yahao Liu , Zhenyu Liu , Qitai Tan , Xiao-Ping Zhang

Given a set of synchronous time series, each associated with a sensor-point in space and characterized by inter-series relationships, the problem of spatiotemporal forecasting consists of predicting future observations for each point.…

机器学习 · 计算机科学 2024-06-11 Ivan Marisca , Cesare Alippi , Filippo Maria Bianchi

Short-term demand forecasting models commonly combine convolutional and recurrent layers to extract complex spatiotemporal patterns in data. Long-term histories are also used to consider periodicity and seasonality patterns as time series…

机器学习 · 计算机科学 2019-10-15 Doyup Lee , Suehun Jung , Yeongjae Cheon , Dongil Kim , Seungil You

Industrial carbon emissions are a major driver of climate change, yet modeling these emissions is challenging due to multicollinearity among factors and complex interdependencies across sectors and time. We propose a novel graph-based deep…

机器学习 · 计算机科学 2025-11-07 Xuanming Zhang

Microservice architecture has become a dominant paradigm in application development due to its advantages of being lightweight, flexible, and resilient. Deploying microservice applications in the container-based cloud enables fine-grained…

分布式、并行与集群计算 · 计算机科学 2025-11-05 Zhengxin Fang , Hui Ma , Gang Chen , Rajkumar Buyya

A graph-based sampling and consensus (GraphSAC) approach is introduced to effectively detect anomalous nodes in large-scale graphs. Existing approaches rely on connectivity and attributes of all nodes to assign an anomaly score per node.…

机器学习 · 计算机科学 2019-10-23 Vassilis N. Ioannidis , Dimitris Berberidis , Georgios B. Giannakis