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Graph convolutional neural networks (GCNs) generalize tradition convolutional neural networks (CNNs) from low-dimensional regular graphs (e.g., image) to high dimensional irregular graphs (e.g., text documents on word embeddings). Due to…

机器学习 · 计算机科学 2021-03-30 Mehrnaz Najafi , Philip S. Yu

Graph neural networks (GNNs) have been shown to replicate convolutional neural networks' (CNNs) superior performance in many problems involving graphs. By replacing regular convolutions with linear shift-invariant graph filters (LSI-GFs),…

机器学习 · 计算机科学 2019-02-12 Luana Ruiz , Fernando Gama , Antonio G. Marques , Alejandro Ribeiro

Subgraphs and cycles are often used to characterize the local properties of complex networks. Here we show that the subgraph structure of real networks is highly time dependent: as the network grows, the density of some subgraphs remains…

无序系统与神经网络 · 物理学 2009-11-11 Alexei Vazquez , Joao G. Oliveira , Albert-Laszlo Barabasi

Graph Neural Networks (GNNs) have attracted increasing attention in recent years and have achieved excellent performance in semi-supervised node classification tasks. The success of most GNNs relies on one fundamental assumption, i.e., the…

机器学习 · 计算机科学 2024-12-03 Junchao Lin , Yuan Wan , Jingwen Xu , Xingchen Qi

Graph Neural Networks (GNNs) have recently become increasingly popular due to their ability to learn complex systems of relations or interactions arising in a broad spectrum of problems ranging from biology and particle physics to social…

机器学习 · 计算机科学 2020-10-12 Emanuele Rossi , Ben Chamberlain , Fabrizio Frasca , Davide Eynard , Federico Monti , Michael Bronstein

The recent success of graph neural networks has significantly boosted molecular property prediction, advancing activities such as drug discovery. The existing deep neural network methods usually require large training dataset for each…

机器学习 · 计算机科学 2021-02-17 Zhichun Guo , Chuxu Zhang , Wenhao Yu , John Herr , Olaf Wiest , Meng Jiang , Nitesh V. Chawla

Learning the structure of causal directed acyclic graphs (DAGs) is useful in many areas of machine learning and artificial intelligence, with wide applications. However, in the high-dimensional setting, it is challenging to obtain good…

机器学习 · 统计学 2024-05-27 Stephen Smith , Qing Zhou

Modern graph neural networks (GNNs) learn node embeddings through multilayer local aggregation and achieve great success in applications on assortative graphs. However, tasks on disassortative graphs usually require non-local aggregation.…

机器学习 · 计算机科学 2021-12-14 Meng Liu , Zhengyang Wang , Shuiwang Ji

Graph Convolutional Neural Networks (GCNNs) are generalizations of CNNs to graph-structured data, in which convolution is guided by the graph topology. In many cases where graphs are unavailable, existing methods manually construct graphs…

机器学习 · 计算机科学 2019-09-17 Xiang Gao , Wei Hu , Zongming Guo

Two architectures that generalize convolutional neural networks (CNNs) for the processing of signals supported on graphs are introduced. We start with the selection graph neural network (GNN), which replaces linear time invariant filters…

信号处理 · 电气工程与系统科学 2019-01-30 Fernando Gama , Antonio G. Marques , Geert Leus , Alejandro Ribeiro

Graph convolutional networks (GCNs) enable end-to-end learning on graph structured data. However, many works assume a given graph structure. When the input graph is noisy or unavailable, one approach is to construct or learn a latent graph…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Avishkar Saha , Oscar Mendez , Chris Russell , Richard Bowden

Predicating macroscopic influences of drugs on human body, like efficacy and toxicity, is a central problem of small-molecule based drug discovery. Molecules can be represented as an undirected graph, and we can utilize graph convolution…

机器学习 · 计算机科学 2017-09-19 Junying Li , Deng Cai , Xiaofei He

Graph Neural Networks (GNNs) have gained significant attention in recent years due to their ability to learn representations of graph-structured data. Two common methods for training GNNs are mini-batch training and full-graph training.…

机器学习 · 计算机科学 2024-12-24 Saurabh Bajaj , Hojae Son , Juelin Liu , Hui Guan , Marco Serafini

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

Graph Neural Networks (GNNs) have emerged as a powerful and flexible framework for representation learning on irregular data. As they generalize the operations of classical CNNs on grids to arbitrary topologies, GNNs also bring much of the…

机器学习 · 计算机科学 2021-03-31 Mehdi Bahri , Gaétan Bahl , Stefanos Zafeiriou

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

Real-world networks, like social networks or the internet infrastructure, have structural properties such as large clustering coefficients that can best be described in terms of an underlying geometry. This is why the focus of the…

社会与信息网络 · 计算机科学 2017-05-10 Karl Bringmann , Ralph Keusch , Johannes Lengler

Graph convolutional networks (GCNs) have gained popularity due to high performance achievable on several downstream tasks including node classification. Several architectural variants of these networks have been proposed and investigated…

机器学习 · 计算机科学 2020-04-09 Rahul Ragesh , Sundararajan Sellamanickam , Vijay Lingam , Arun Iyer

Graph Neural Networks (GNNs) have achieved remarkable performance on graph-based tasks. The key idea for GNNs is to obtain informative representation through aggregating information from local neighborhoods. However, it remains an open…

机器学习 · 计算机科学 2022-06-29 Songtao Liu , Rex Ying , Hanze Dong , Lanqing Li , Tingyang Xu , Yu Rong , Peilin Zhao , Junzhou Huang , Dinghao Wu

Visual Transformers (VTs) are emerging as an architectural paradigm alternative to Convolutional networks (CNNs). Differently from CNNs, VTs can capture global relations between image elements and they potentially have a larger…

计算机视觉与模式识别 · 计算机科学 2021-11-16 Yahui Liu , Enver Sangineto , Wei Bi , Nicu Sebe , Bruno Lepri , Marco De Nadai