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We present an attention-based spatial graph convolution (AGC) for graph neural networks (GNNs). Existing AGCs focus on only using node-wise features and utilizing one type of attention function when calculating attention weights. Instead,…

计算机视觉与模式识别 · 计算机科学 2023-03-06 Yang Li , Yuichi Tanaka

An effective distribution electricity market (DEM) is required to manage the rapidly growing small-scale distributed energy resources (DERs) in distribution systems (DSs). This paper proposes a day-ahead DEM clearing and pricing mechanism…

系统与控制 · 电气工程与系统科学 2021-10-15 Zongzheng Zhao , Yixin Liu , Li Guo , Linquan Bai , Chengshan Wang

Short-term future population prediction is a crucial problem in urban computing. Accurate future population prediction can provide rich insights for urban planners or developers. However, predicting the future population is a challenging…

机器学习 · 计算机科学 2022-03-02 Yuki Kubota , Yuki Ohira , Tetsuo Shimizu

Accurate power load forecasting is crucial for improving energy efficiency and ensuring power supply quality. Considering the power load forecasting problem involves not only dynamic factors like historical load variations but also static…

机器学习 · 计算机科学 2024-09-27 Chao Min , Yijia Wang , Bo Zhang , Xin Ma , Junyi Cui

This paper proposes a new algorithm -- Trading Graph Neural Network (TGNN) that can structurally estimate the impact of asset features, dealer features and relationship features on asset prices in trading networks. It combines the strength…

交易与市场微观结构 · 定量金融 2025-04-11 Xian Wu

Accurate rainfall forecasting, particularly for extreme events, remains a significant challenge in climatology and the Earth system. This paper presents novel physics-informed Graph Neural Networks (GNNs) combined with extreme-value…

Accurate power load forecasting is essential for the efficient operation and planning of electrical grids, particularly given the increased variability and complexity introduced by renewable energy sources. This paper introduces GAT-LSTM, a…

机器学习 · 计算机科学 2025-02-13 Ugochukwu Orji , Çiçek Güven , Dan Stowell

Several approaches have been proposed to forecast day-ahead locational marginal price (daLMP) in deregulated energy markets. The rise of deep learning has motivated its use in energy price forecasts but most deep learning approaches fail to…

机器学习 · 计算机科学 2020-10-14 Dipanwita Saha , Felipe Lopez

Short-term electricity price forecasting has become important for demand side management and power generation scheduling. Especially as the electricity market becomes more competitive, a more accurate price prediction than the day-ahead…

信号处理 · 电气工程与系统科学 2018-02-26 Zhongyang Zhao , Caisheng Wang , Matthew Nokleby , Carol Miller

Graph Neural Networks (GNNs) have emerged as the de facto standard for modeling graph data, with attention mechanisms and transformers significantly enhancing their performance on graph-based tasks. Despite these advancements, the…

机器学习 · 计算机科学 2025-04-07 Nikhil Shivakumar Nayak

Short-term load forecasting (STLF) is essential for the reliable and economic operation of power systems. Though many STLF methods were proposed over the past decades, most of them focused on loads at high aggregation levels only. Thus,…

机器学习 · 计算机科学 2019-03-27 Yayu Peng , Yishen Wang , Xiao Lu , Haifeng Li , Di Shi , Zhiwei Wang , Jie Li

Natural gas is undoubtedly an essential component of the global energy system. Accurate short-term forecasting of natural gas price is challenging due to pronounced volatility driven by seasonal demand patterns, geopolitical developments,…

机器学习 · 计算机科学 2026-04-29 Yiqian Liu , Jiayi Niu , Adam Kelleher , Subhabrata Das

Electricity is bought and sold in wholesale markets at prices that fluctuate significantly. Short-term forecasting of electricity prices is an important endeavor because it helps electric utilities control risk and because it influences…

计算机与社会 · 计算机科学 2018-05-16 Elaheh Fata , Igor Kadota , Ian Schneider

The modern power grid is facing increasing complexities, primarily stemming from the integration of renewable energy sources and evolving consumption patterns. This paper introduces an innovative methodology that harnesses Convolutional…

机器学习 · 计算机科学 2023-10-26 Aneesh Sathe , Wen Ren Yang

Traffic forecasting influences various intelligent transportation system (ITS) services and is of great significance for user experience as well as urban traffic control. It is challenging due to the fact that the road network contains…

机器学习 · 计算机科学 2020-04-24 Yiwen Sun , Yulu Wang , Kun Fu , Zheng Wang , Changshui Zhang , Jieping Ye

Precise day-ahead forecasts for electricity prices are crucial to ensure efficient portfolio management, support strategic decision-making for power plant operations, enable efficient battery storage optimization, and facilitate demand…

机器学习 · 计算机科学 2026-03-31 Btissame El Mahtout , Florian Ziel

In this paper, we aim at improving the computational efficiency of graph convolutional networks (GCNs) for learning on point clouds. The basic graph convolution that is typically composed of a $K$-nearest neighbor (KNN) search and a…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Yawei Li , He Chen , Zhaopeng Cui , Radu Timofte , Marc Pollefeys , Gregory Chirikjian , Luc Van Gool

Traffic prediction is an important and yet highly challenging problem due to the complexity and constantly changing nature of traffic systems. To address the challenges, we propose a graph and attentive multi-path convolutional network…

机器学习 · 计算机科学 2022-05-31 Jianzhong Qi , Zhuowei Zhao , Egemen Tanin , Tingru Cui , Neema Nassir , Majid Sarvi

Wind energy has emerged as one of the most vital and economically viable forms of renewable energy. The integration of wind energy sources into power grids across the globe has been increasing substantially, largely due to the higher levels…

最优化与控制 · 数学 2024-10-16 Narin Nemati , Amin Ahmadi Kasani

Accurately forecasting transportation demand is crucial for efficient urban traffic guidance, control and management. One solution to enhance the level of prediction accuracy is to leverage graph convolutional networks (GCN), a neural…

机器学习 · 计算机科学 2021-07-08 Zhengyong Chen , Hongde Wu , Noel E. O'Connor , Mingming Liu