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Graph Neural Networks (GNNs) have established themselves as a key component in addressing diverse graph-based tasks. Despite their notable successes, GNNs remain susceptible to input perturbations in the form of adversarial attacks. This…

机器学习 · 计算机科学 2024-09-13 Moshe Eliasof , Davide Murari , Ferdia Sherry , Carola-Bibiane Schönlieb

Graph learning methods have recently been receiving increasing interest as means to infer structure in datasets. Most of the recent approaches focus on different relationships between a graph and data sample distributions, mostly in…

机器学习 · 计算机科学 2020-03-23 Hermina Petric Maretic , Pascal Frossard

Graph neural networks (GNNs) are powerful tools for solving graph-related problems. Distributed GNN frameworks and systems enhance the scalability of GNNs and accelerate model training, yet most are optimized for node classification. Their…

机器学习 · 计算机科学 2025-06-27 Xin Huang , Chul-Ho Lee

The inevitable modality imperfection in real-world scenarios poses significant challenges for Multimodal Sentiment Analysis (MSA). While existing methods tailor reconstruction or joint representation learning strategies to restore missing…

多媒体 · 计算机科学 2025-08-05 Hu Zhangfeng , Shi mengxin

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

We study the problem of semi-supervised learning with Graph Neural Networks (GNNs) in an active learning setup. We propose GraphPart, a novel partition-based active learning approach for GNNs. GraphPart first splits the graph into disjoint…

机器学习 · 计算机科学 2023-03-20 Jiaqi Ma , Ziqiao Ma , Joyce Chai , Qiaozhu Mei

Federated graph learning (FGL) is a promising distributed training paradigm for graph neural networks across multiple local systems without direct data sharing. This approach inherently involves large-scale distributed graph processing,…

机器学习 · 计算机科学 2025-01-22 Xunkai Li , Yinlin Zhu , Boyang Pang , Guochen Yan , Yeyu Yan , Zening Li , Zhengyu Wu , Wentao Zhang , Rong-Hua Li , Guoren Wang

Temporal Graph Learning (TGL) has become a prevalent technique across diverse real-world applications, especially in domains where data can be represented as a graph and evolves over time. Although TGL has recently seen notable progress in…

机器学习 · 计算机科学 2024-02-27 Weilin Cong , Jian Kang , Hanghang Tong , Mehrdad Mahdavi

Recently, graph-based models designed for downstream tasks have significantly advanced research on graph neural networks (GNNs). GNN baselines based on neural message-passing mechanisms such as GCN and GAT perform worse as the network…

机器学习 · 计算机科学 2023-01-26 Jiayuan Chen , Xiang Zhang , Yinfei Xu , Tianli Zhao , Renjie Xie , Wei Xu

Graph neural networks (GNNs) have emerged as a series of competent graph learning methods for diverse real-world scenarios, ranging from daily applications like recommendation systems and question answering to cutting-edge technologies such…

机器学习 · 计算机科学 2024-02-22 He Zhang , Bang Wu , Xingliang Yuan , Shirui Pan , Hanghang Tong , Jian Pei

Numerous approaches have been explored for graph clustering, including those which optimize a global criteria such as modularity. More recently, Graph Neural Networks (GNNs), which have produced state-of-the-art results in graph analysis…

社会与信息网络 · 计算机科学 2023-08-21 Co Tran , Mo Badawy , Tyler McDonnell

Simulating complex dynamics like fluids with traditional simulators is computationally challenging. Deep learning models have been proposed as an efficient alternative, extending or replacing parts of traditional simulators. We investigate…

机器学习 · 计算机科学 2022-03-16 Jonathan Klimesch , Philipp Holl , Nils Thuerey

Graph Neural Networks (GNNs) have recently been used for node and graph classification tasks with great success, but GNNs model dependencies among the attributes of nearby neighboring nodes rather than dependencies among observed node…

机器学习 · 计算机科学 2020-09-30 Mengyue Hang , Jennifer Neville , Bruno Ribeiro

Recently, graph neural networks (GNNs) have proved to be suitable in tasks on unstructured data. Particularly in tasks as community detection, node classification, and link prediction. However, most GNN models still operate with static…

机器学习 · 计算机科学 2019-06-07 Darwin Saire Pilco , Adín Ramírez Rivera

Understanding what graph neural networks can learn, especially their ability to learn to execute algorithms, remains a central theoretical challenge. In this work, we prove exact learnability results for graph algorithms under…

机器学习 · 计算机科学 2026-02-02 Muhammad Fetrat Qharabagh , Artur Back de Luca , George Giapitzakis , Kimon Fountoulakis

Graph neural networks (GNNs) demonstrate great performance in compound property and activity prediction due to their capability to efficiently learn complex molecular graph structures. However, two main limitations persist including…

生物大分子 · 定量生物学 2023-10-10 Apakorn Kengkanna , Masahito Ohue

Within the context of Graph Signal Processing (GSP), Graph Learning (GL) is concerned with the inference of the graph's underlying structure from nodal observations. However, real-world data often contains diverse information, necessitating…

信号处理 · 电气工程与系统科学 2023-11-08 Mohamad H. Alizade , Aref Einizade , Jhony H. Giraldo

Graph Neural Networks (GNNs) have demonstrated remarkable success in various applications, yet they often struggle to capture long-range dependencies (LRD) effectively. This paper introduces GraphMinNet, a novel GNN architecture that…

机器学习 · 计算机科学 2025-02-04 Md Atik Ahamed , Andrew Cheng , Qiang Ye , Qiang Cheng

Graph neural networks (GNNs) have been demonstrated as a powerful tool for analyzing non-Euclidean graph data. However, the lack of efficient distributed graph learning systems severely hinders applications of GNNs, especially when graphs…

Graph Neural Networks (GNNs) rely on the graph structure to define an aggregation strategy where each node updates its representation by combining information from its neighbours. A known limitation of GNNs is that, as the number of layers…

机器学习 · 计算机科学 2022-01-19 Davide Buffelli , Fabio Vandin