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This study proposes a novel heterogeneous graph convolutional neural network (HGCNN) to handle complex brain fMRI data at regional and across-region levels. We introduce a generic formulation of spectral filters on heterogeneous graphs by…

计算机视觉与模式识别 · 计算机科学 2023-02-24 Jinghan Huang , Moo K. Chung , Anqi Qiu

The ability of Graph Neural Networks (GNNs) to capture long-range and global topology information is limited by the scope of conventional graph Laplacian, leading to unsatisfactory performance on some datasets, particularly on heterophilic…

机器学习 · 计算机科学 2024-09-17 Qincheng Lu , Jiaqi Zhu , Sitao Luan , Xiao-Wen Chang

Graph Neural Networks (GNNs) have recently caught great attention and achieved significant progress in graph-level applications. In this paper, we propose a framework for graph neural networks with multiresolution Haar-like wavelets, or…

机器学习 · 计算机科学 2021-01-26 Xuebin Zheng , Bingxin Zhou , Ming Li , Yu Guang Wang , Junbin Gao

Pretrained Language Models (PLMs) such as BERT have revolutionized the landscape of Natural Language Processing (NLP). Inspired by their proliferation, tremendous efforts have been devoted to Pretrained Graph Models (PGMs). Owing to the…

机器学习 · 计算机科学 2022-03-22 Jun Xia , Yanqiao Zhu , Yuanqi Du , Stan Z. Li

Numerous important problems can be framed as learning from graph data. We propose a framework for learning convolutional neural networks for arbitrary graphs. These graphs may be undirected, directed, and with both discrete and continuous…

机器学习 · 计算机科学 2016-06-09 Mathias Niepert , Mohamed Ahmed , Konstantin Kutzkov

Personalized Federated Learning (PFL) aims to train a personalized model for each client that is tailored to its local data distribution, learning fails to perform well on individual clients due to variations in their local data…

机器学习 · 计算机科学 2025-03-10 Ziran Zhou , Guanyu Gao , Xiaohu Wu , Yan Lyu

Federated Graph Learning (FGL) has demonstrated the advantage of training a global Graph Neural Network (GNN) model across distributed clients using their local graph data. Unlike Euclidean data (\eg, images), graph data is composed of…

机器学习 · 计算机科学 2024-12-30 Xianjun Gao , Jianchun Liu , Hongli Xu , Shilong Wang , Liusheng Huang

Recent developments in deep learning have revolutionized the paradigm of image restoration. However, its applications on real image denoising are still limited, due to its sensitivity to training data and the complex nature of real image…

计算机视觉与模式识别 · 计算机科学 2019-05-06 Jin Zeng , Jiahao Pang , Wenxiu Sun , Gene Cheung

In practical applications, multi-view data depicting objectives from assorted perspectives can facilitate the accuracy increase of learning algorithms. However, given multi-view data, there is limited work for learning discriminative node…

计算机视觉与模式识别 · 计算机科学 2022-11-18 Zhaoliang Chen , Lele Fu , Jie Yao , Wenzhong Guo , Claudia Plant , Shiping Wang

Graph Neural Networks (GNNs) have emerged as a notorious alternative to address learning problems dealing with non-Euclidean datasets. However, although most works assume that the graph is perfectly known, the observed topology is prone to…

机器学习 · 计算机科学 2023-12-12 Victor M. Tenorio , Samuel Rey , Antonio G. Marques

Graph neural networks (GNNs) extends the functionality of traditional neural networks to graph-structured data. Similar to CNNs, an optimized design of graph convolution and pooling is key to success. Borrowing ideas from physics, we…

机器学习 · 计算机科学 2022-01-12 Zheng Ma , Junyu Xuan , Yu Guang Wang , Ming Li , Pietro Lio

Real-world events exhibit a high degree of interdependence and connections, and hence data points generated also inherit the linkages. However, the majority of AI/ML techniques leave out the linkages among data points. The recent surge of…

社会与信息网络 · 计算机科学 2020-06-17 Shrey Dabhi , Manojkumar Parmar

The demand for data privacy has led to the development of frameworks like Federated Graph Learning (FGL), which facilitate decentralized model training. However, a significant operational challenge in such systems is adhering to the right…

机器学习 · 计算机科学 2025-08-05 Yuming Ai , Xunkai Li , Jiaqi Chao , Bowen Fan , Zhengyu Wu , Yinlin Zhu , Rong-Hua Li , Guoren Wang

Spectral-based graph neural networks (SGNNs) have been attracting increasing attention in graph representation learning. However, existing SGNNs are limited in implementing graph filters with rigid transforms (e.g., graph Fourier or…

机器学习 · 计算机科学 2022-01-05 Mingxing Xu , Wenrui Dai , Chenglin Li , Junni Zou , Hongkai Xiong , Pascal Frossard

Point clouds are an increasingly relevant data type but they are often corrupted by noise. We propose a deep neural network based on graph-convolutional layers that can elegantly deal with the permutation-invariance problem encountered by…

计算机视觉与模式识别 · 计算机科学 2020-07-07 Francesca Pistilli , Giulia Fracastoro , Diego Valsesia , Enrico Magli

Graph convolutional neural networks (GCNN) have been successfully applied to many different graph based learning tasks including node and graph classification, matrix completion, and learning of node embeddings. Despite their impressive…

机器学习 · 计算机科学 2019-10-29 Soumyasundar Pal , Florence Regol , Mark Coates

Convolutional neural networks (CNNs) have achieved great success on grid-like data such as images, but face tremendous challenges in learning from more generic data such as graphs. In CNNs, the trainable local filters enable the automatic…

机器学习 · 计算机科学 2018-09-05 Hongyang Gao , Zhengyang Wang , Shuiwang Ji

This paper reviews graph convolutional neural networks (GCNNs) through the lens of edge-variant graph filters. The edge-variant graph filter is a finite order, linear, and local recursion that allows each node, in each iteration, to weigh…

机器学习 · 计算机科学 2019-03-05 Elvin Isufi , Fernando Gama , Alejandro Ribeiro

The graph Laplacian plays key roles in information processing of relational data, and has analogies with the Laplacian in differential geometry. In this paper, we generalize the analogy between graph Laplacian and differential geometry to…

机器学习 · 统计学 2022-08-17 Shota Saito , Danilo P Mandic , Hideyuki Suzuki

Graph Neural Networks (GNNs) learn from graph-structured data by passing local messages between neighboring nodes along edges on certain topological layouts. Typically, these topological layouts in modern GNNs are deterministically computed…

机器学习 · 计算机科学 2024-02-27 Xinjian Zhao , Chaolong Ying , Tianshu Yu