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Recent studies show that graph convolutional network (GCN) often performs worse for low-degree nodes, exhibiting the so-called structural unfairness for graphs with long-tailed degree distributions prevalent in the real world. Graph…

机器学习 · 计算机科学 2022-10-07 Ruijia Wang , Xiao Wang , Chuan Shi , Le Song

Graph convolutional neural networks (GCN) have been the model of choice for graph representation learning, which is mainly due to the effective design of graph convolution that computes the representation of a node by aggregating those of…

机器学习 · 计算机科学 2021-06-10 Qimai Li , Xiaotong Zhang , Han Liu , Quanyu Dai , Xiao-Ming Wu

In view of the huge success of convolution neural networks (CNN) for image classification and object recognition, there have been attempts to generalize the method to general graph-structured data. One major direction is based on spectral…

机器学习 · 计算机科学 2020-03-09 Feng Ji , Jielong Yang , Qiang Zhang , Wee Peng Tay

Graph Convolutional Networks (GCNs) have shown to be effective in handling unordered data like point clouds and meshes. In this work we propose novel approaches for graph convolution, pooling and unpooling, inspired from finite differences…

计算机视觉与模式识别 · 计算机科学 2020-10-23 Moshe Eliasof , Eran Treister

Non-local self-similarity is well-known to be an effective prior for the image denoising problem. However, little work has been done to incorporate it in convolutional neural networks, which surpass non-local model-based methods despite…

图像与视频处理 · 电气工程与系统科学 2023-07-19 Diego Valsesia , Giulia Fracastoro , Enrico Magli

State-of-the-art Graph Neural Networks (GNNs) have limited scalability with respect to the graph and model sizes. On large graphs, increasing the model depth often means exponential expansion of the scope (i.e., receptive field). Beyond…

In representation learning on the graph-structured data, under heterophily (or low homophily), many popular GNNs may fail to capture long-range dependencies, which leads to their performance degradation. To solve the above-mentioned issue,…

机器学习 · 计算机科学 2021-06-29 Mengying Jiang , Guizhong Liu , Yuanchao Su , Xinliang Wu

Graph convolutional networks (GCNs) are \emph{discriminative models} that directly model the class posterior $p(y|\mathbf{x})$ for semi-supervised classification of graph data. While being effective, as a representation learning approach,…

机器学习 · 计算机科学 2023-05-30 Tianchun Wang , Farzaneh Mirzazadeh , Xiang Zhang , Jie Chen

Graph Convolutional Networks (GCNs) have emerged as the state-of-the-art deep learning model for representation learning on graphs. It is challenging to accelerate training of GCNs, due to (1) substantial and irregular data communication to…

分布式、并行与集群计算 · 计算机科学 2020-01-09 Hanqing Zeng , Viktor Prasanna

Graph convolutional networks (GCNs) have shown promising results in processing graph data by extracting structure-aware features. This gave rise to extensive work in geometric deep learning, focusing on designing network architectures that…

机器学习 · 计算机科学 2022-01-20 Yimeng Min , Frederik Wenkel , Guy Wolf

In this paper, we study the robustness of graph convolutional networks (GCNs). Despite the good performance of GCNs on graph semi-supervised learning tasks, previous works have shown that the original GCNs are very unstable to adversarial…

机器学习 · 计算机科学 2019-11-12 Xiaoyun Wang , Xuanqing Liu , Cho-Jui Hsieh

Last year, IEEE 802.11 Extremely High Throughput Study Group (EHT Study Group) was established to initiate discussions on new IEEE 802.11 features. Coordinated control methods of the access points (APs) in the wireless local area networks…

信号处理 · 电气工程与系统科学 2019-05-20 Kota Nakashima , Shotaro Kamiya , Kazuki Ohtsu , Koji Yamamoto , Takayuki Nishio , Masahiro Morikura

Deep graph clustering, which aims to reveal the underlying graph structure and divide the nodes into different groups, has attracted intensive attention in recent years. However, we observe that, in the process of node encoding, existing…

机器学习 · 计算机科学 2022-01-03 Yue Liu , Wenxuan Tu , Sihang Zhou , Xinwang Liu , Linxuan Song , Xihong Yang , En Zhu

Graph Convolutional Networks (GCNs) gained traction for graph representation learning, with recent attention on improving performance on heterophilic graphs for various real-world applications. The localized feature aggregation in a typical…

机器学习 · 计算机科学 2025-07-30 Garv Kaushik

We present a deep Graph Convolutional Kernel Machine (GCKM) for semi-supervised node classification in graphs. The method is built of two main types of blocks: (i) We introduce unsupervised kernel machine layers propagating the node…

机器学习 · 计算机科学 2024-04-16 Sonny Achten , Francesco Tonin , Panagiotis Patrinos , Johan A. K. Suykens

Graph Convolution Network (GCN) has attracted significant attention and become the most popular method for learning graph representations. In recent years, many efforts have been focused on integrating GCN into the recommender tasks and…

机器学习 · 计算机科学 2020-07-14 Kang Liu , Feng Xue , Richang Hong

The effectiveness of Graph Convolutional Networks (GCNs) has been demonstrated in a wide range of graph-based machine learning tasks. However, the update of parameters in GCNs is only from labeled nodes, lacking the utilization of unlabeled…

机器学习 · 计算机科学 2020-02-21 Ke Sun , Zhouchen Lin , Hantao Guo , Zhanxing Zhu

Graph convolutional networks (GCNs) are powerful deep neural networks for graph-structured data. However, GCN computes the representation of a node recursively from its neighbors, making the receptive field size grow exponentially with the…

机器学习 · 统计学 2018-03-02 Jianfei Chen , Jun Zhu , Le Song

Admittedly, Graph Convolution Network (GCN) has achieved excellent results on graph datasets such as social networks, citation networks, etc. However, softmax used as the decision layer in these frameworks is generally optimized with…

机器学习 · 计算机科学 2022-07-19 Xuelong Li , Ziheng Jiao , Hongyuan Zhang , Rui Zhang

Graph Neural Networks (GNNs) have achieved great success in processing graph data by extracting and propagating structure-aware features. Existing GNN research designs various propagation schemes to guide the aggregation of neighbor…

机器学习 · 计算机科学 2021-12-03 Jun Hu , Shengsheng Qian , Quan Fang , Changsheng Xu
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