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相关论文: Context-Aware Graph Attention Networks

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Graph Attention Networks (GATs) are the state-of-the-art neural architecture for representation learning with graphs. GATs learn attention functions that assign weights to nodes so that different nodes have different influences in the…

机器学习 · 计算机科学 2019-10-29 Guangtao Wang , Rex Ying , Jing Huang , Jure Leskovec

We propose an extension to the transformer neural network architecture for general-purpose graph learning by adding a dedicated pathway for pairwise structural information, called edge channels. The resultant framework - which we call…

机器学习 · 计算机科学 2022-06-06 Md Shamim Hussain , Mohammed J. Zaki , Dharmashankar Subramanian

Global contexts in images are quite valuable in image-to-image translation problems. Conventional attention-based and graph-based models capture the global context to a large extent, however, these are computationally expensive. Moreover,…

计算机视觉与模式识别 · 计算机科学 2023-07-13 Ayush Singh , Yash Bhambhu , Himanshu Buckchash , Deepak K. Gupta , Dilip K. Prasad

Graph neural network (GNN) models are increasingly being used for the classification of electroencephalography (EEG) data. However, GNN-based diagnosis of neurological disorders, such as Alzheimer's disease (AD), remains a relatively…

神经元与认知 · 定量生物学 2023-12-21 Dominik Klepl , Fei He , Min Wu , Daniel J. Blackburn , Ptolemaios G. Sarrigiannis

Graph convolutional networks (GCN) is widely used to handle irregular data since it updates node features by using the structure information of graph. With the help of iterated GCN, high-order information can be obtained to further enhance…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Wenyu Zhang , Qing Ding , Jian Hu , Yi Ma , Mingzhe Lu

We propose the joint graph attention neural network (GAT), clustering with adaptive neighbors (CAN) and probabilistic graphical model for dynamic power flow analysis and fault characteristics. In fact, computational efficiency is the main…

机器学习 · 计算机科学 2025-03-25 Tan Le , Van Le

Recent years have witnessed the emerging success of graph neural networks (GNNs) for modeling structured data. However, most GNNs are designed for homogeneous graphs, in which all nodes and edges belong to the same types, making them…

机器学习 · 计算机科学 2020-03-04 Ziniu Hu , Yuxiao Dong , Kuansan Wang , Yizhou Sun

Most existing knowledge graphs suffer from incompleteness. Embedding knowledge graphs into continuous vector spaces has recently attracted increasing interest in knowledge base completion. However, in most existing embedding methods, only…

信息检索 · 计算机科学 2020-11-18 Zhenghao Zhang , Jianbin Huang , Qinglin Tan

Since their introduction, graph attention networks achieved outstanding results in graph representation learning tasks. However, these networks consider only pairwise relationships among nodes and then they are not able to fully exploit…

Traffic forecasting is a significant part of intelligent transportation systems. One of the critical challenges of traffic forecasting is to find spatio-temporal correlations. In recent years, graph convolutional networks and graph…

人工智能 · 计算机科学 2026-05-19 Tianchi Zhang

Various approaches have been proposed for providing efficient computational approaches for abstract argumentation. Among them, neural networks have permitted to solve various decision problems, notably related to arguments (credulous or…

人工智能 · 计算机科学 2024-09-26 Paul Cibier , Jean-Guy Mailly

In this paper, we present CrimeGAT, a novel application of Graph Attention Networks (GATs) for predictive policing in criminal networks. Criminal networks pose unique challenges for predictive analytics due to their complex structure,…

社会与信息网络 · 计算机科学 2023-12-01 Chen Yang

Graph-structured data is ubiquitous in the real world, and Graph Neural Networks (GNNs) have become increasingly popular in various fields due to their ability to process such irregular data directly. However, as data scale, GNNs become…

分布式、并行与集群计算 · 计算机科学 2026-02-10 Xianfeng Song , Yi Zou , Zheng Shi

Graph neural networks (GNNs) aim to learn well-trained representations in a lower-dimension space for downstream tasks while preserving the topological structures. In recent years, attention mechanism, which is brilliant in the fields of…

社会与信息网络 · 计算机科学 2026-05-12 Chengcheng Sun , Chenhao Li , Xiang Lin , Tianji Zheng , Fanrong Meng , Xiaobin Rui , Zhixiao Wang

Graph attention networks (GATs) are powerful tools for analyzing graph data from various real-world scenarios. To learn representations for downstream tasks, GATs generally attend to all neighbors of the central node when aggregating the…

机器学习 · 计算机科学 2022-10-31 Tiantian He , Haicang Zhou , Yew-Soon Ong , Gao Cong

Temporal Graph Neural Networks (TGNNs) aim to capture the evolving structure and timing of interactions in dynamic graphs. Although many models incorporate time through encodings or architectural design, they often compute attention over…

机器学习 · 计算机科学 2026-02-03 Govind Waghmare , Srini Rohan Gujulla Leel , Nikhil Tumbde , Sumedh B G , Sonia Gupta , Srikanta Bedathur

In the realm of Text-attributed Graphs (TAGs), traditional graph neural networks (GNNs) often fall short due to the complex textual information associated with each node. Recent methods have improved node representations by leveraging large…

机器学习 · 计算机科学 2025-06-10 Huanyi Xie , Lijie Hu , Lu Yu , Tianhao Huang , Longfei Li , Meng Li , Jun Zhou , Huan Wang , Di Wang

In this paper, we benchmark several existing graph neural network (GNN) models on different datasets for link predictions. In particular, the graph convolutional network (GCN), GraphSAGE, graph attention network (GAT) as well as variational…

机器学习 · 计算机科学 2021-02-26 Xing Wang , Alexander Vinel

Graphs are useful for representing various realworld objects. However, graph neural networks (GNNs) tend to suffer from over-smoothing, where the representations of nodes of different classes become similar as the number of layers…

机器学习 · 计算机科学 2024-10-22 Jun Kato , Airi Mita , Keita Gobara , Akihiro Inokuchi

Human mobility is intricately influenced by urban contexts spatially and temporally, constituting essential domain knowledge in understanding traffic systems. While existing traffic forecasting models primarily rely on raw traffic data and…

机器学习 · 计算机科学 2024-12-24 Yatao Zhang , Yi Wang , Song Gao , Martin Raubal