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Text classification is a quintessential and practical problem in natural language processing with applications in diverse domains such as sentiment analysis, fake news detection, medical diagnosis, and document classification. A sizable…

计算与语言 · 计算机科学 2024-10-15 Syed Mustafa Haider Rizvi , Ramsha Imran , Arif Mahmood

Graph Convolutional Networks (GCNs) have made significant advances in semi-supervised learning, especially for classification tasks. However, existing GCN based methods have two main drawbacks. First, to increase the receptive field and…

计算机视觉与模式识别 · 计算机科学 2019-11-13 Qikui Zhu , Bo Du , Pingkun Yan

Multi-view data containing complementary and consensus information can facilitate representation learning by exploiting the intact integration of multi-view features. Because most objects in real world often have underlying connections,…

机器学习 · 计算机科学 2023-08-15 Zhaoliang Chen , Lele Fu , Shunxin Xiao , Shiping Wang , Claudia Plant , Wenzhong Guo

Graph Neural Networks (GNNs) have demonstrated remarkable proficiency in handling a range of graph analytical tasks across various domains, such as e-commerce and social networks. Despite their versatility, GNNs face significant challenges…

机器学习 · 计算机科学 2025-01-08 Zhe-Rui Yang , Jindong Han , Chang-Dong Wang , Hao Liu

Graph Convolutional Networks (GCNs) are extensively utilized for deep learning on graphs. The large data sizes of graphs and their vertex features make scalable training algorithms and distributed memory systems necessary. Since the…

机器学习 · 计算机科学 2022-12-14 Gunduz Vehbi Demirci , Aparajita Haldar , Hakan Ferhatosmanoglu

We introduce Hyperdimensional Graph Learner (HDGL), a novel method for node classification and link prediction in graphs. HDGL maps node features into a very high-dimensional space (\textit{hyperdimensional} or HD space for short) using the…

机器学习 · 计算机科学 2025-02-28 Abhishek Dalvi , Vasant Honavar

Hyper-spectral images are images captured from a satellite that gives spatial and spectral information of specific region.A Hyper-spectral image contains much more number of channels as compared to a RGB image, hence containing more…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Uphar Singh , Tushar Musale , Ranjana Vyas , O. P. Vyas

Graph neural networks (GNNs) have gained traction over the past few years for their superior performance in numerous machine learning tasks. Graph Convolutional Neural Networks (GCN) are a common variant of GNNs that are known to have high…

机器学习 · 计算机科学 2022-07-06 Sannat Singh Bhasin , Vaibhav Holani , Divij Sanjanwala

In representation learning on the graph-structured data, under heterophily (or low homophily), many popular GNNs may fail to capture long-range dependencies, which leads to their performance degradation. To solve the above-mentioned issue,…

机器学习 · 计算机科学 2021-06-29 Mengying Jiang , Guizhong Liu , Yuanchao Su , Xinliang Wu

Existing approaches to the crime prediction problem are unsuccessful in expressing the details since they assign the probability values to large regions. This paper introduces a new architecture with the graph convolutional networks (GCN)…

机器学习 · 计算机科学 2021-12-17 Selim Furkan Tekin , Suleyman Serdar Kozat

Learning graph convolutional networks (GCNs) is an emerging field which aims at generalizing convolutional operations to arbitrary non-regular domains. In particular, GCNs operating on spatial domains show superior performances compared to…

计算机视觉与模式识别 · 计算机科学 2021-12-08 Hichem Sahbi

We present the Topology Transformation Equivariant Representation learning, a general paradigm of self-supervised learning for node representations of graph data to enable the wide applicability of Graph Convolutional Neural Networks…

机器学习 · 计算机科学 2021-12-03 Xiang Gao , Wei Hu , Guo-Jun Qi

Graph Neural Networks (GNNs) have shown state-of-the-art improvements in node classification tasks on graphs. While these improvements have been largely demonstrated in a multi-class classification scenario, a more general and realistic…

机器学习 · 计算机科学 2024-03-01 Tianqi Zhao , Ngan Thi Dong , Alan Hanjalic , Megha Khosla

Graph structured data, specifically text-attributed graphs (TAG), effectively represent relationships among varied entities. Such graphs are essential for semi-supervised node classification tasks. Graph Neural Networks (GNNs) have emerged…

机器学习 · 计算机科学 2024-04-18 Kaiwen Dong , Zhichun Guo , Nitesh V. Chawla

Graph embedding, aiming to learn low-dimensional representations (aka. embeddings) of nodes, has received significant attention recently. Recent years have witnessed a surge of efforts made on static graphs, among which Graph Convolutional…

机器学习 · 计算机科学 2021-04-08 Zeyu Cui , Zekun Li , Shu Wu , Xiaoyu Zhang , Qiang Liu , Liang Wang , Mengmeng Ai

Graph Convolutional Networks (GCNs) have been proved successful in the field of semi-supervised node classification by extracting structural information from graph data. However, the random selection of labeled nodes used by GCNs may lead…

机器学习 · 计算机科学 2023-01-12 Yao Xiao , Ji Xu , Jing Yang , Shaobo Li

Graph kernels are kernel methods measuring graph similarity and serve as a standard tool for graph classification. However, the use of kernel methods for node classification, which is a related problem to graph representation learning, is…

机器学习 · 计算机科学 2019-10-08 Yu Tian , Long Zhao , Xi Peng , Dimitris N. Metaxas

Graph neural networks (GNNs) have been attracting increasing popularity due to their simplicity and effectiveness in a variety of fields. However, a large number of labeled data is generally required to train these networks, which could be…

机器学习 · 计算机科学 2020-10-26 Shengding Hu , Zheng Xiong , Meng Qu , Xingdi Yuan , Marc-Alexandre Côté , Zhiyuan Liu , Jian Tang

Graph neural networks (GNNs) have been widely used in representation learning on graphs and achieved state-of-the-art performance in tasks such as node classification and link prediction. However, most existing GNNs are designed to learn…

机器学习 · 计算机科学 2020-02-06 Seongjun Yun , Minbyul Jeong , Raehyun Kim , Jaewoo Kang , Hyunwoo J. Kim

Graph Convolutional Networks (GCN) are Graph Neural Networks where the convolutions are applied over a graph. In contrast to Convolutional Neural Networks, GCN's are designed to perform inference on graphs, where the number of nodes can…

机器学习 · 计算机科学 2024-06-12 Adrian Moldovan , Angel Caţaron , Răzvan Andonie