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We consider graph representation learning in a self-supervised manner. Graph neural networks (GNNs) use neighborhood aggregation as a core component that results in feature smoothing among nodes in proximity. While successful in various…

机器学习 · 计算机科学 2021-07-20 Wei Zhuo , Guang Tan

Graph Neural Networks (GNNs) have achieved tremendous success in graph representation learning. Unfortunately, current GNNs usually rely on loading the entire attributed graph into network for processing. This implicit assumption may not be…

机器学习 · 计算机科学 2022-02-15 Junfu Wang , Yunhong Wang , Zhen Yang , Liang Yang , Yuanfang Guo

Graphs neural networks (GNNs) learn node features by aggregating and combining neighbor information, which have achieved promising performance on many graph tasks. However, GNNs are mostly treated as black-boxes and lack human intelligible…

机器学习 · 计算机科学 2020-06-05 Hao Yuan , Jiliang Tang , Xia Hu , Shuiwang Ji

Graph Neural Networks (GNNs) rely on graph convolutions to exploit meaningful patterns in networked data. Based on matrix multiplications, convolutions incur in high computational costs leading to scalability limitations in practice. To…

机器学习 · 计算机科学 2022-10-28 Juan Cervino , Luana Ruiz , Alejandro Ribeiro

Graph neural networks (GNNs) are a powerful architecture for tackling graph learning tasks, yet have been shown to be oblivious to eminent substructures such as cycles. We present TOGL, a novel layer that incorporates global topological…

机器学习 · 计算机科学 2022-03-18 Max Horn , Edward De Brouwer , Michael Moor , Yves Moreau , Bastian Rieck , Karsten Borgwardt

Graph Neural Networks (GNNs) are an effective framework for representation learning of graphs. GNNs follow a neighborhood aggregation scheme, where the representation vector of a node is computed by recursively aggregating and transforming…

机器学习 · 计算机科学 2019-02-26 Keyulu Xu , Weihua Hu , Jure Leskovec , Stefanie Jegelka

Graph Neural Networks (GNNs) have been extensively used for mining graph-structured data with impressive performance. However, because these traditional GNNs do not distinguish among various downstream tasks, embeddings embedded by them are…

机器学习 · 计算机科学 2024-09-20 Jianpeng Chen , Yujing Wang , Ming Zeng , Zongyi Xiang , Bitan Hou , Yunhai Tong , Ole J. Mengshoel , Yazhou Ren

Graph-based semi-supervised node classification has been shown to become a state-of-the-art approach in many applications with high research value and significance. Most existing methods are only based on the original intrinsic or…

机器学习 · 计算机科学 2023-06-08 Jianpeng Liao , Jun Yan , Qian Tao

One main challenge in imbalanced graph classification is to learn expressive representations of the graphs in under-represented (minority) classes. Existing generic imbalanced learning methods, such as oversampling and imbalanced learning…

机器学习 · 计算机科学 2024-05-20 Rongrong Ma , Guansong Pang , Ling Chen

Graph Neural Networks (GNNs) have demonstrated significant success in learning from graph-structured data across various domains. Despite their great successful, one critical challenge is often overlooked by existing works, i.e., the…

机器学习 · 计算机科学 2024-02-15 Tianxiang Zhao , Xiang Zhang , Suhang Wang

Graph neural networks (GNNs) rely mainly on the message-passing paradigm to propagate node features and build interactions, and different graph learning problems require different ranges of node interactions. In this work, we explore the…

机器学习 · 计算机科学 2026-01-08 Fang Wu , Siyuan Li , Stan Z. Li

Graph Neural Networks have become one of the indispensable tools to learn from graph-structured data, and their usefulness has been shown in wide variety of tasks. In recent years, there have been tremendous improvements in architecture…

机器学习 · 统计学 2021-11-15 Sunil Kumar Maurya , Xin Liu , Tsuyoshi Murata

Graph Neural Networks (GNNs), a type of neural network that can learn from graph-structured data through neighborhood information aggregation, have shown superior performance in various downstream tasks. However, as the number of layers…

机器学习 · 计算机科学 2024-11-01 Jingbo Zhou , Yixuan Du , Ruqiong Zhang , Jun Xia , Zhizhi Yu , Zelin Zang , Di Jin , Carl Yang , Rui Zhang , Stan Z. Li

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…

Graph neural networks (GNNs) have recently emerged as a dominant paradigm for machine learning with graphs. Research on GNNs has mainly focused on the family of message passing neural networks (MPNNs). Similar to the Weisfeiler-Leman (WL)…

机器学习 · 统计学 2022-07-05 Giannis Nikolentzos , George Dasoulas , Michalis Vazirgiannis

Graph Neural Networks (GNNs) have achieved unprecedented success in identifying categorical labels of graphs. However, most existing graph classification problems with GNNs follow the protocol of balanced data splitting, which misaligns…

机器学习 · 计算机科学 2022-09-29 Yu Wang , Yuying Zhao , Neil Shah , Tyler Derr

Explaining the foundations for predictions obtained from graph neural networks (GNNs) is critical for credible use of GNN models for real-world problems. Owing to the rapid growth of GNN applications, recent progress in explaining…

机器学习 · 计算机科学 2025-01-07 Hyeoncheol Cho , Youngrock Oh , Eunjoo Jeon

Graph neural networks (GNNs) build on the success of deep learning models by extending them for use in graph spaces. Transfer learning has proven extremely successful for traditional deep learning problems: resulting in faster training and…

机器学习 · 计算机科学 2022-02-03 Nishai Kooverjee , Steven James , Terence van Zyl

Existing Graph Neural Networks (GNNs) follow the message-passing mechanism that conducts information interaction among nodes iteratively. While considerable progress has been made, such node interaction paradigms still have the following…

机器学习 · 计算机科学 2023-04-14 Jie Chen , Zilong Li , Yin Zhu , Junping Zhang , Jian Pu

We propose an adaptive graph coarsening method to jointly learn graph neural network (GNN) parameters and merge nodes via K-means clustering during training. As real-world graphs grow larger, processing them directly becomes increasingly…

机器学习 · 计算机科学 2025-10-01 Rostyslav Olshevskyi , Madeline Navarro , Santiago Segarra