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We introduce SketchGNN, a convolutional graph neural network for semantic segmentation and labeling of freehand vector sketches. We treat an input stroke-based sketch as a graph, with nodes representing the sampled points along input…

计算机视觉与模式识别 · 计算机科学 2021-03-26 Lumin Yang , Jiajie Zhuang , Hongbo Fu , Xiangzhi Wei , Kun Zhou , Youyi Zheng

Convolutional Neural Networks (CNNs) have shown remarkable performance in general object recognition tasks. In this paper, we propose a new model called EnsNet which is composed of one base CNN and multiple Fully Connected SubNetworks…

机器学习 · 计算机科学 2023-07-19 Daiki Hirata , Norikazu Takahashi

Convolutional Neural Networks(CNNs) has achieved remarkable performance breakthrough in Euclidean structure data. Recently, aggregation-transformation based Graph Neural networks(GNNs) gradually produce a powerful performance on…

机器学习 · 计算机科学 2021-02-05 Jingzhao Hu , Xiaoqi Zhang , Qiaomei Jia , Chen Wang , Qirong Bu , Jun Feng

Graph-based text representation focuses on how text documents are represented as graphs for exploiting dependency information between tokens and documents within a corpus. Despite the increasing interest in graph representation learning,…

计算与语言 · 计算机科学 2022-10-13 Wenzhe Li , Nikolaos Aletras

This paper studies semi-supervised graph classification, a crucial task with a wide range of applications in social network analysis and bioinformatics. Recent works typically adopt graph neural networks to learn graph-level representations…

机器学习 · 计算机科学 2023-04-25 Wei Ju , Xiao Luo , Meng Qu , Yifan Wang , Chong Chen , Minghua Deng , Xian-Sheng Hua , Ming Zhang

We present graph wavelet neural network (GWNN), a novel graph convolutional neural network (CNN), leveraging graph wavelet transform to address the shortcomings of previous spectral graph CNN methods that depend on graph Fourier transform.…

机器学习 · 计算机科学 2019-04-17 Bingbing Xu , Huawei Shen , Qi Cao , Yunqi Qiu , Xueqi Cheng

Data-driven design and innovation is a process to reuse and provide valuable and useful information. However, existing semantic networks for design innovation is built on data source restricted to technological and scientific information.…

计算与语言 · 计算机科学 2022-11-22 Haoyu Zuo , Qianzhi Jing , Tianqi Song , Huiting Liu , Lingyun Sun , Peter Childs , Liuqing Chen

Graph Neural Networks (GNNs) has been widely used in a variety of fields because of their great potential in representing graph-structured data. However, lacking of rigorous uncertainty estimations limits their application in high-stakes.…

机器学习 · 计算机科学 2025-01-07 Ting Wang , Zhixin Zhou , Rui Luo

Simplicial neural networks (SNN) have recently emerged as the newest direction in graph learning which expands the idea of convolutional architectures from node space to simplicial complexes on graphs. Instead of pre-dominantly assessing…

机器学习 · 计算机科学 2021-12-14 Yuzhou Chen , Yulia R. Gel , H. Vincent Poor

Identifying influential nodes in complex networks is a critical task with a wide range of applications across different domains. However, existing approaches often face trade-offs between accuracy and computational efficiency. To address…

社会与信息网络 · 计算机科学 2025-07-29 Mohammed A. Ramadhan , Abdulhakeem O. Mohammed

Traditional methods like Graph Convolutional Networks (GCNs) face challenges with limited data and class imbalance, leading to suboptimal performance in graph classification tasks during toxicity prediction of molecules as a whole. To…

定量方法 · 定量生物学 2023-11-23 Bhavya Mehta , Kush Kothari , Reshmika Nambiar , Seema Shrawne

Wikidata is an open knowledge graph built by a global community of volunteers. As it advances in scale, it faces substantial challenges around editor engagement. These challenges are in terms of both attracting new editors to keep up with…

信息检索 · 计算机科学 2021-08-02 Kholoud AlGhamdi , Miaojing Shi , Elena Simperl

Graph convolutional networks (GCNs) are \emph{discriminative models} that directly model the class posterior $p(y|\mathbf{x})$ for semi-supervised classification of graph data. While being effective, as a representation learning approach,…

机器学习 · 计算机科学 2023-05-30 Tianchun Wang , Farzaneh Mirzazadeh , Xiang Zhang , Jie Chen

Recently a variety of methods have been developed to encode graphs into low-dimensional vectors that can be easily exploited by machine learning algorithms. The majority of these methods start by embedding the graph nodes into a…

机器学习 · 计算机科学 2018-09-13 Yu Jin , Joseph F. JaJa

Unsupervised graph representation learning aims to learn low-dimensional node embeddings without supervision while preserving graph topological structures and node attributive features. Previous graph neural networks (GNN) require a large…

机器学习 · 计算机科学 2020-09-04 Yanqiao Zhu , Yichen Xu , Feng Yu , Shu Wu , Liang Wang

Graph Convolutional Networks (GCNs) have shown strong performance in learning text representations for various tasks such as text classification, due to its expressive power in modeling graph structure data (e.g., a literature citation…

计算与语言 · 计算机科学 2023-05-12 Zhibin Lu , Qianqian Xie , Benyou Wang , Jian-yun Nie

We develop a generalized optimization framework for graph-based semi-supervised learning. The framework gives as particular cases the Standard Laplacian, Normalized Laplacian and PageRank based methods. We have also provided new…

网络与互联网体系结构 · 计算机科学 2011-10-20 Konstantin Avrachenkov , Paulo Gonçalves , Alexey Mishenin , Marina Sokol

Due to a huge volume of information in many domains, the need for classification methods is imperious. In spite of many advances, most of the approaches require a large amount of labeled data, which is often not available, due to costs and…

计算机视觉与模式识别 · 计算机科学 2023-04-26 Lucas Pascotti Valem , Daniel Carlos Guimarães Pedronette , Longin Jan Latecki

In this study, we present the Graph Sub-Graph Network (GSN), a novel hybrid image classification model merging the strengths of Convolutional Neural Networks (CNNs) for feature extraction and Graph Neural Networks (GNNs) for structural…

计算机视觉与模式识别 · 计算机科学 2024-10-01 Aryan Singh , Pepijn Van de Ven , Ciarán Eising , Patrick Denny

To cope with the intractability of answering Conjunctive Queries (CQs) and solving Constraint Satisfaction Problems (CSPs), several notions of hypergraph decompositions have been proposed -- giving rise to different notions of width,…

数据库 · 计算机科学 2020-09-04 Wolfgang Fischl , Georg Gottlob , Davide Mario Longo , Reinhard Pichler