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Graph neural networks (GNNs) are a class of deep models that operate on data with arbitrary topology represented as graphs. We introduce an efficient memory layer for GNNs that can jointly learn node representations and coarsen the graph.…

机器学习 · 计算机科学 2020-06-11 Amir Hosein Khasahmadi , Kaveh Hassani , Parsa Moradi , Leo Lee , Quaid Morris

Currently the state of the art network models are based or depend on Discrete Event Simulation (DES). While DES is highly accurate, it is also computationally costly and cumbersome to parallelize, making it unpractical to simulate high…

网络与互联网体系结构 · 计算机科学 2023-10-19 Carlos Güemes-Palau , Miquel Ferriol Galmés , Albert Cabellos-Aparicio , Pere Barlet-Ros

Graphs are a powerful data structure for representing relational data and are widely used to describe complex real-world systems. Probabilistic Graphical Models (PGMs) and Graph Neural Networks (GNNs) can both leverage graph-structured…

机器学习 · 统计学 2025-08-26 Michela Lapenna , Caterina De Bacco

We propose a novel and trainable graph unpooling layer for effective graph generation. Given a graph with features, the unpooling layer enlarges this graph and learns its desired new structure and features. Since this unpooling layer is…

机器学习 · 计算机科学 2023-03-07 Yinglong Guo , Dongmian Zou , Gilad Lerman

Convolutional neural networks are nowadays witnessing a major success in different pattern recognition problems. These learning models were basically designed to handle vectorial data such as images but their extension to non-vectorial and…

计算机视觉与模式识别 · 计算机科学 2019-10-16 Ahmed Mazari , Hichem Sahbi

Graph neural networks (GNNs) have achieved strong performance in various applications. In the real world, network data is usually formed in a streaming fashion. The distributions of patterns that refer to neighborhood information of nodes…

机器学习 · 计算机科学 2020-12-07 Junshan Wang , Guojie Song , Yi Wu , Liang Wang

When predicting PM2.5 concentrations, it is necessary to consider complex information sources since the concentrations are influenced by various factors within a long period. In this paper, we identify a set of critical domain knowledge for…

信号处理 · 电气工程与系统科学 2021-10-12 Shuo Wang , Yanran Li , Jiang Zhang , Qingye Meng , Lingwei Meng , Fei Gao

Networks are a powerful tool to model complex systems, and the definition of many Graph Neural Networks (GNN), Deep Learning algorithms that can handle networks, has opened a new way to approach many real-world problems that would be hardly…

机器学习 · 计算机科学 2021-09-28 Marco Grassia , Manlio De Domenico , Giuseppe Mangioni

Recently, Graph Neural Networks (GNNs) have significantly advanced the performance of machine learning tasks on graphs. However, this technological breakthrough makes people wonder: how does a GNN make such decisions, and can we trust its…

机器学习 · 计算机科学 2024-02-26 Xiaoqi Wang , Han-Wei Shen

Owing to the remarkable capability of extracting effective graph embeddings, graph convolutional network (GCN) and its variants have been successfully applied to a broad range of tasks, such as node classification, link prediction, and…

机器学习 · 计算机科学 2021-07-13 Ronghang Zhu , Zhiqiang Tao , Yaliang Li , Sheng Li

Accurate prediction of molecular properties is essential in drug discovery and related fields. However, existing graph neural networks (GNNs) often struggle to simultaneously capture both local and global molecular structures. In this work,…

机器学习 · 计算机科学 2025-08-26 XiaYu Liu , Chao Fan , Yang Liu , Hou-biao Li

Learning representations of neural network weights given a model zoo is an emerging and challenging area with many potential applications from model inspection, to neural architecture search or knowledge distillation. Recently, an…

机器学习 · 计算机科学 2022-09-30 Konstantin Schürholt , Boris Knyazev , Xavier Giró-i-Nieto , Damian Borth

Probabilistic graphical modeling (PGM) provides a framework for formulating an interpretable generative process of data and expressing uncertainty about unknowns, but it lacks flexibility. Deep learning (DL) is an alternative framework for…

机器学习 · 统计学 2021-04-27 Adji B. Dieng

A graphical model is a structured representation of the data generating process. The traditional method to reason over random variables is to perform inference in this graphical model. However, in many cases the generating process is only a…

机器学习 · 统计学 2019-10-31 Victor Garcia Satorras , Zeynep Akata , Max Welling

Graph Neural Networks (GNNs) are a framework for graph representation learning, where a model learns to generate low dimensional node embeddings that encapsulate structural and feature-related information. GNNs are usually trained in an…

机器学习 · 计算机科学 2020-12-15 Davide Buffelli , Fabio Vandin

Graph Neural Networks (GNNs) are proficient in graph representation learning and achieve promising performance on versatile tasks such as node classification and link prediction. Usually, a comprehensive hyperparameter tuning is essential…

机器学习 · 计算机科学 2024-10-10 Lequan Lin , Dai Shi , Andi Han , Zhiyong Wang , Junbin Gao

Graph neural networks (GNNs) have attracted much attention due to their ability to leverage the intrinsic geometries of the underlying data. Although many different types of GNN models have been developed, with many benchmarking procedures…

Recently, graph neural networks (GNNs) have revolutionized the field of graph representation learning through effectively learned node embeddings, and achieved state-of-the-art results in tasks such as node classification and link…

机器学习 · 计算机科学 2019-02-21 Rex Ying , Jiaxuan You , Christopher Morris , Xiang Ren , William L. Hamilton , Jure Leskovec

Hypergraph Convolutional Neural Networks (HGCNNs) have demonstrated their potential in modeling high-order relations preserved in graph-structured data. However, most existing convolution filters are localized and determined by the…

机器学习 · 计算机科学 2022-04-15 Jiying Zhang , Yuzhao Chen , Xi Xiao , Runiu Lu , Shu-Tao Xia

We introduce Graph-Induced Sum-Product Networks (GSPNs), a new probabilistic framework for graph representation learning that can tractably answer probabilistic queries. Inspired by the computational trees induced by vertices in the context…

机器学习 · 计算机科学 2024-02-19 Federico Errica , Mathias Niepert