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An increasing number of machine learning tasks require dealing with large graph datasets, which capture rich and complex relationship among potentially billions of elements. Graph Neural Network (GNN) becomes an effective way to address the…

分布式、并行与集群计算 · 计算机科学 2019-02-26 Rong Zhu , Kun Zhao , Hongxia Yang , Wei Lin , Chang Zhou , Baole Ai , Yong Li , Jingren Zhou

Entity alignment aims to identify equivalent entity pairs between different knowledge graphs (KGs). Recently, the availability of temporal KGs (TKGs) that contain time information created the need for reasoning over time in such TKGs.…

人工智能 · 计算机科学 2022-03-15 Chengjin Xu , Fenglong Su , Jens Lehmann

Volatility forecasting is essential for risk management and decision-making in financial markets. Traditional models like Generalized Autoregressive Conditional Heteroskedasticity (GARCH) effectively capture volatility clustering but often…

数理金融 · 定量金融 2024-10-23 Pulikandala Nithish Kumar , Nneka Umeorah , Alex Alochukwu

Similar item recommendation is a critical task in the e-Commerce industry, which helps customers explore similar and relevant alternatives based on their interested products. Despite the traditional machine learning models, Graph Neural…

The price movement prediction of stock market has been a classical yet challenging problem, with the attention of both economists and computer scientists. In recent years, graph neural network has significantly improved the prediction…

统计金融 · 定量金融 2023-05-16 Sheng Xiang , Dawei Cheng , Chencheng Shang , Ying Zhang , Yuqi Liang

Air quality prediction is a typical spatio-temporal modeling problem, which always uses different components to handle spatial and temporal dependencies in complex systems separately. Previous models based on time series analysis and…

机器学习 · 计算机科学 2023-02-21 Jing Xu , Shuo Wang , Na Ying , Xiao Xiao , Jiang Zhang , Yun Cheng , Zhiling Jin , Gangfeng Zhang

Prediction of consumer behavior is one of the important purposes in marketing, cognitive neuroscience, and human-computer interaction. The electroencephalography (EEG) data can help analyze the decision process by providing detailed…

人工智能 · 计算机科学 2025-10-23 Mohammad Parsa Afshar , Aryan Azimi

This work evaluates the effectiveness of spatiotemporal Graph Neural Networks (GNNs) for multi-store retail sales forecasting and compares their performance against ARIMA, LSTM, and XGBoost baselines. Using weekly sales data from 45 Walmart…

机器学习 · 计算机科学 2025-11-25 Manish Singh , Arpita Dayama

Forecasting electricity demand is increasingly challenging as energy systems become more decentralized and intertwined with renewable sources. Graph Neural Networks (GNNs) have recently emerged as a powerful paradigm to model spatial…

机器学习 · 计算机科学 2025-11-04 Eloi Campagne , Yvenn Amara-Ouali , Yannig Goude , Itai Zehavi , Argyris Kalogeratos

Successful supply chain optimization must mitigate imbalances between supply and demand over time. While accurate demand prediction is essential for supply planning, it alone does not suffice. The key to successful supply planning for…

人工智能 · 计算机科学 2024-04-12 Hyung-il Ahn , Young Chol Song , Santiago Olivar , Hershel Mehta , Naveen Tewari

Entity alignment (EA) aims to find entities in different knowledge graphs (KGs) that refer to the same object in the real world. Recent studies incorporate temporal information to augment the representations of KGs. The existing methods for…

人工智能 · 计算机科学 2022-09-21 Li Cai , Xin Mao , Meirong Ma , Hao Yuan , Jianchao Zhu , Man Lan

Graph Neural Networks (GNNs) have emerged as transformative tools for modeling complex relational data, offering unprecedented capabilities in tasks like forecasting and optimization. This study investigates the application of GNNs to…

机器学习 · 计算机科学 2025-01-14 Chi-Sheng Chen , Ying-Jung Chen

This paper addresses the Multi-Robot Active Information Acquisition (AIA) problem, where a team of mobile robots, communicating through an underlying graph, estimates a hidden state expressing a phenomenon of interest. Applications like…

机器人学 · 计算机科学 2024-10-28 Mariliza Tzes , Nikolaos Bousias , Evangelos Chatzipantazis , George J. Pappas

In the evolving field of psychopathology, the accurate assessment and forecasting of data derived from Ecological Momentary Assessment (EMA) is crucial. EMA offers contextually-rich psychopathological measurements over time, that…

机器学习 · 计算机科学 2024-03-29 Mandani Ntekouli , Gerasimos Spanakis , Lourens Waldorp , Anne Roefs

Recently, Graph Neural Networks (GNNs) have shown promising performance in tasks on dynamic graphs such as node classification, link prediction and graph regression. However, few work has studied the temporal edge regression task which has…

机器学习 · 计算机科学 2023-08-16 Lekang Jiang , Caiqi Zhang , Farimah Poursafaei , Shenyang Huang

Graph neural networks (GNNs) have been widely used in graph-structured data computation, showing promising performance in various applications such as node classification, link prediction, and network recommendation. Existing works mainly…

机器学习 · 计算机科学 2023-02-07 Houyi Li , Zhihong Chen , Zhao Li , Qinkai Zheng , Peng Zhang , Shuigeng Zhou

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

Traffic accident prediction is crucial for enhancing road safety and mitigating congestion, and recent Graph Neural Networks (GNNs) have shown promise in modeling the inherent graph-based traffic data. However, existing GNN- based…

机器学习 · 计算机科学 2024-12-05 Xiangyu Jiang , Xiwen Chen , Hao Wang , Abolfazl Razi

This paper proposes a novel age estimation algorithm, the Temporally-Aware Adaptive Graph Convolutional Network (TAA-GCN). Using a new representation based on graphs, the TAA-GCN utilizes skeletal, posture, clothing, and facial information…

计算机视觉与模式识别 · 计算机科学 2023-05-16 Matthew Korban , Peter Young , Scott T. Acton

Encoder-decoder deep neural networks have been increasingly studied for multi-horizon time series forecasting, especially in real-world applications. However, to forecast accurately, these sophisticated models typically rely on a large…

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