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Graph Neural Networks (GNNs) have achieved notable success in various applications over graph data. However, recent research has revealed that real-world graphs often contain noise, and GNNs are susceptible to noise in the graph. To address…

机器学习 · 计算机科学 2024-04-16 Tai Hasegawa , Sukwon Yun , Xin Liu , Yin Jun Phua , Tsuyoshi Murata

Graph Neural Networks (GNNs) are an emerging research field. This specialized Deep Neural Network (DNN) architecture is capable of processing graph structured data and bridges the gap between graph processing and Deep Learning (DL). As…

分布式、并行与集群计算 · 计算机科学 2023-05-24 Jana Vatter , Ruben Mayer , Hans-Arno Jacobsen

Graph Neural Networks (GNNs) traditionally employ a message-passing mechanism that resembles diffusion over undirected graphs, which often leads to homogenization of node features and reduced discriminative power in tasks such as node…

机器学习 · 计算机科学 2025-03-04 Seong Ho Pahng , Sahand Hormoz

Graph neural networks (GNNs) have shown promise in addressing graph-related problems, including node classification. However, conventional GNNs assume an even distribution of data across classes, which is often not the case in real-world…

机器学习 · 计算机科学 2023-10-16 Zirui Liang , Yuntao Li , Tianjin Huang , Akrati Saxena , Yulong Pei , Mykola Pechenizkiy

Graph Neural Networks (GNNs) are popular machine learning methods for modeling graph data. A lot of GNNs perform well on homophily graphs while having unsatisfactory performance on heterophily graphs. Recently, some researchers turn their…

机器学习 · 计算机科学 2022-09-20 Wendong Bi , Lun Du , Qiang Fu , Yanlin Wang , Shi Han , Dongmei Zhang

Graph neural networks have become one of the most important techniques to solve machine learning problems on graph-structured data. Recent work on vertex classification proposed deep and distributed learning models to achieve high…

机器学习 · 统计学 2019-05-28 Hoang NT , Takanori Maehara

Graph neural networks (GNNs), which propagate the node features through the edges and learn how to transform the aggregated features under label supervision, have achieved great success in supervised feature extraction for both node-level…

机器学习 · 统计学 2022-11-01 Yilin He , Chaojie Wang , Hao Zhang , Bo Chen , Mingyuan Zhou

Graph Neural Nets (GNNs) have received increasing attentions, partially due to their superior performance in many node and graph classification tasks. However, there is a lack of understanding on what they are learning and how sophisticated…

机器学习 · 计算机科学 2020-06-11 Ting Chen , Song Bian , Yizhou Sun

Subgraph pattern detection aims to uncover complex interaction structures in graphs. However, state-of-the-art graph neural network (GNN)-based solutions assume centralized access to the entire graph. When graphs are instead distributed…

机器学习 · 计算机科学 2026-05-08 Selin Ceydeli , Rui Wang , Kubilay Atasu

Graph neural networks (GNNs), which learn the representation of a node by aggregating its neighbors, have become an effective computational tool in downstream applications. Over-smoothing is one of the key issues which limit the performance…

机器学习 · 计算机科学 2020-06-15 Kaixiong Zhou , Xiao Huang , Yuening Li , Daochen Zha , Rui Chen , Xia Hu

Graph Neural Networks (GNNs) update node representations through message passing, which is primarily based on the homophily principle, assuming that adjacent nodes share similar features. However, in real-world graphs with long-tailed…

人工智能 · 计算机科学 2025-04-22 Van Thuy Hoang , Hyeon-Ju Jeon , O-Joun Lee

Spectral Graph Neural Networks (GNNs) with various graph filters have received extensive affirmation due to their promising performance in graph learning problems. However, it is known that GNNs do not always perform well. Although graph…

机器学习 · 计算机科学 2022-02-18 Zhixian Chen , Tengfei Ma , Yang Wang

Graph neural networks (GNNs) have demonstrated superior performance for semi-supervised node classification on graphs, as a result of their ability to exploit node features and topological information simultaneously. However, most GNNs…

机器学习 · 计算机科学 2022-06-24 Guoji Fu , Peilin Zhao , Yatao Bian

Graph alignment, the problem of identifying corresponding nodes across multiple graphs, is fundamental to numerous applications. Most existing unsupervised methods embed node features into latent representations to enable cross-graph…

机器学习 · 计算机科学 2025-09-30 Maysam Behmanesh , Erkan Turan , Maks Ovsjanikov

Recent studies reveal the connection between GNNs and the diffusion process, which motivates many diffusion-based GNNs to be proposed. However, since these two mechanisms are closely related, one fundamental question naturally arises: Is…

社会与信息网络 · 计算机科学 2024-04-23 Yibo Li , Xiao Wang , Hongrui Liu , Chuan Shi

Graph-based fraud detection (GFD) can be regarded as a challenging semi-supervised node binary classification task. In recent years, Graph Neural Networks (GNN) have been widely applied to GFD, characterizing the anomalous possibility of a…

机器学习 · 计算机科学 2024-07-09 Fan Xu , Nan Wang , Hao Wu , Xuezhi Wen , Xibin Zhao , Hai Wan

Graph Neural Networks (GNNs), which generalize the deep neural networks to graph-structured data, have achieved great success in modeling graphs. However, as an extension of deep learning for graphs, GNNs lack explainability, which largely…

机器学习 · 计算机科学 2021-08-30 Enyan Dai , Suhang Wang

Multi-view clustering is an important machine learning task for multi-media data, encompassing various domains such as images, videos, and texts. Moreover, with the growing abundance of graph data, the significance of multi-view graph…

机器学习 · 计算机科学 2024-10-31 Zichen Wen , Tianyi Wu , Yazhou Ren , Yawen Ling , Chenhang Cui , Xiaorong Pu , Lifang He

Driven by the outstanding performance of neural networks in the structured Euclidean domain, recent years have seen a surge of interest in developing neural networks for graphs and data supported on graphs. The graph is leveraged at each…

机器学习 · 计算机科学 2021-07-28 Elvin Isufi , Fernando Gama , Alejandro Ribeiro

Graph Neural Networks (GNNs) have achieved remarkable success in various graph mining tasks by aggregating information from neighborhoods for representation learning. The success relies on the homophily assumption that nearby nodes exhibit…

机器学习 · 计算机科学 2024-06-03 Zhuonan Zheng , Sheng Zhou , Hongjia Xu , Ming Gu , Yilun Xu , Ao Li , Yuhong Li , Jingjun Gu , Jiajun Bu