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Pumped-storage hydropower plants (PSH) actively participate in grid power-frequency control and therefore often operate under dynamic conditions, which results in rapidly varying system states. Predicting these dynamically changing states…

机器学习 · 计算机科学 2024-08-22 Raffael Theiler , Olga Fink

The regression of multiple inter-connected sequence data is a problem in various disciplines. Formally, we name the regression problem of multiple inter-connected data entities as the "dynamic network regression" in this paper. Within the…

机器学习 · 计算机科学 2020-10-19 Yixin Chen , Lin Meng , Jiawei Zhang

Imbalanced node classification is a critical challenge in graph learning, where most existing methods typically utilize Graph Neural Networks (GNNs) to learn node representations. These methods can be broadly categorized into the data-level…

机器学习 · 计算机科学 2026-01-28 Zhixiao Wang , Chaofan Zhu , Qihan Feng , Jian Zhang , Xiaobin Rui , Philip S Yu

The delayed feedback problem is one of the most pressing challenges in predicting the conversion rate since users' conversions are always delayed in online commercial systems. Although new data are beneficial for continuous training,…

机器学习 · 计算机科学 2023-08-17 Xiaolin Zheng , Zhongyu Wang , Chaochao Chen , Feng Zhu , Jiashu Qian

The shipping industry is an important component of the global trade and economy, however in order to ensure law compliance and safety it needs to be monitored. In this paper, we present a novel Ship Type classification model that combines…

人工智能 · 计算机科学 2021-11-02 Manolis Pitsikalis , Thanh-Toan Do , Alexei Lisitsa , Shan Luo

This paper presents a comprehensive sustainability assessment framework for document intelligence within supply chain operations, centered on agentic artificial intelligence (AI). We address the dual objective of improving automation…

人工智能 · 计算机科学 2025-11-11 Diego Gosmar , Anna Chiara Pallotta , Giovanni Zenezini

Graph Neural Networks (GNNs) often struggle with heterophilic data, where connected nodes may have dissimilar labels, as they typically assume homophily and rely on local message passing. To address this, we propose creating alternative…

机器学习 · 计算机科学 2025-06-11 Victor M. Tenorio , Madeline Navarro , Samuel Rey , Santiago Segarra , Antonio G. Marques

This study delves into the application of graph neural networks in the realm of traffic forecasting, a crucial facet of intelligent transportation systems. Accurate traffic predictions are vital for functions like trip planning, traffic…

机器学习 · 计算机科学 2023-10-30 Razib Hayat Khan , Jonayet Miah , S M Yasir Arafat , M M Mahbubul Syeed , Duc M Ca

In this paper, to analyze end-to-end timing behavior in heterogeneous processor and network environments accurately, we adopt a heterogeneous selection value on communication contention (HSV_CC) algorithm, which can synchronize tasks and…

分布式、并行与集群计算 · 计算机科学 2017-09-12 Jaeyong Rho , Takuya Azumi , Mayo Nakagawa , Kenya Sato , Nobuhiko Nishio

Network integration studies try to assess the impact of future developments, such as the increase of Renewable Energy Sources or the introduction of Smart Grid Technologies, on large-scale network areas. Goals can be to support strategic…

计算工程、金融与科学 · 计算机科学 2018-02-19 Alexander Scheidler , Leon Thurner , Martin Braun

Customer expansion, i.e., growing a business existing customer base by acquiring new customers, is critical for scaling operations and sustaining the long-term profitability of logistics companies. Although state-of-the-art works model this…

机器学习 · 计算机科学 2025-08-05 Xinyue Feng , Shuxin Zhong , Jinquan Hang , Wenjun Lyu , Yuequn Zhang , Guang Yang , Haotian Wang , Desheng Zhang , Guang Wang

Graph neural networks (GNNs) have shown significant success in learning graph representations. However, recent studies reveal that GNNs often fail to outperform simple MLPs on heterophilous graph tasks, where connected nodes may differ in…

机器学习 · 计算机科学 2025-04-10 Songwei Zhao , Yuan Jiang , Zijing Zhang , Yang Yu , Hechang Chen

In wireless networks characterized by dense connectivity, the significant signaling overhead generated by distributed link scheduling algorithms can exacerbate issues like congestion, energy consumption, and radio footprint expansion. To…

网络与互联网体系结构 · 计算机科学 2025-09-09 Zhongyuan Zhao , Gunjan Verma , Ananthram Swami , Santiago Segarra

Fault intensity diagnosis (FID) plays a pivotal role in monitoring and maintaining mechanical devices within complex industrial systems. As current FID methods are based on chain of thought without considering dependencies among target…

Scene Graph Generation, which generally follows a regular encoder-decoder pipeline, aims to first encode the visual contents within the given image and then parse them into a compact summary graph. Existing SGG approaches generally not only…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Xingning Dong , Tian Gan , Xuemeng Song , Jianlong Wu , Yuan Cheng , Liqiang Nie

Traffic flow forecasting, especially the short-term case, is an important topic in intelligent transportation systems (ITS). This paper does a lot of research on network-scale modeling and forecasting of short-term traffic flows. Firstly,…

机器学习 · 计算机科学 2018-01-03 Shiliang Sun , Rongqing Huang , Ya Gao

Railway operations involve different types of entities (stations, trains, etc.), making the existing graph/network models with homogenous nodes (i.e., the same kind of nodes) incapable of capturing the interactions between the entities.…

机器学习 · 计算机科学 2023-03-29 Zhongcan Li , Ping Huang , Chao Wen , Filipe Rodrigues

Existing vehicle re-identification methods commonly use spatial pooling operations to aggregate feature maps extracted via off-the-shelf backbone networks. They ignore exploring the spatial significance of feature maps, eventually degrading…

计算机视觉与模式识别 · 计算机科学 2021-07-13 Fei Shen , Jianqing Zhu , Xiaobin Zhu , Yi Xie , Jingchang Huang

Graph Neural Networks (GNNs) are powerful tools for learning graph-structured data, but their scalability is hindered by inefficient mini-batch generation, data transfer bottlenecks, and costly inter-GPU synchronization. Existing training…

机器学习 · 计算机科学 2026-01-09 Irfan Ullah , Young-Koo Lee

Accurate traffic forecasting is a core technology for building Intelligent Transportation Systems (ITS), enabling better urban resource allocation and improved travel experiences. With growing urbanization, traffic congestion has…

机器学习 · 计算机科学 2025-10-21 Chenyang Yu , Xinpeng Xie , Yan Huang , Chenxi Qiu