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相关论文: Graph Positional and Structural Encoder

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Data-efficient learning on graphs (GEL) is essential in real-world applications. Existing GEL methods focus on learning useful representations for nodes, edges, or entire graphs with ``small'' labeled data. But the problem of data-efficient…

机器学习 · 计算机科学 2023-02-24 Chang Liu , Yuwen Yang , Zhe Xie , Hongtao Lu , Yue Ding

Graph Neural Networks (GNNs) are a powerful tool for machine learning on graphs.GNNs combine node feature information with the graph structure by recursively passing neural messages along edges of the input graph. However, incorporating…

机器学习 · 计算机科学 2019-11-15 Rex Ying , Dylan Bourgeois , Jiaxuan You , Marinka Zitnik , Jure Leskovec

Representation learning on graphs, also called graph embedding, has demonstrated its significant impact on a series of machine learning applications such as classification, prediction and recommendation. However, existing work has largely…

机器学习 · 计算机科学 2022-06-28 Yifan Hou , Hongzhi Chen , Changji Li , James Cheng , Ming-Chang Yang

Graph Neural Networks (GNNs) have emerged as a powerful tool for learning from graph-structured data. However, even state-of-the-art architectures have limitations on what structures they can distinguish, imposing theoretical limits on what…

机器学习 · 计算机科学 2023-07-03 Eren Akbiyik , Florian Grötschla , Beni Egressy , Roger Wattenhofer

Invertible transformation of large graphs into fixed dimensional vectors (embeddings) remains a challenge. Its overcoming would reduce any operation on graphs to an operation in a vector space. However, most existing methods are limited to…

机器学习 · 计算机科学 2022-07-12 Adam Małkowski , Jakub Grzechociński , Paweł Wawrzyński

Geometric deep learning enables the encoding of physical symmetries in modeling 3D objects. Despite rapid progress in encoding 3D symmetries into Graph Neural Networks (GNNs), a comprehensive evaluation of the expressiveness of these…

机器学习 · 计算机科学 2023-04-12 Weitao Du , Yuanqi Du , Limei Wang , Dieqiao Feng , Guifeng Wang , Shuiwang Ji , Carla Gomes , Zhi-Ming Ma

Graph Neural Networks (GNNs) have emerged as the de facto standard for representation learning on graphs, owing to their ability to effectively integrate graph topology and node attributes. However, the inherent suboptimal nature of node…

机器学习 · 计算机科学 2023-12-27 Zhiyao Zhou , Sheng Zhou , Bochao Mao , Xuanyi Zhou , Jiawei Chen , Qiaoyu Tan , Daochen Zha , Yan Feng , Chun Chen , Can Wang

In recent years, there has been an explosion of research on the application of deep learning to the prediction of various peptide properties, due to the significant development and market potential of peptides. Molecular dynamics has…

生物大分子 · 定量生物学 2023-07-19 Zihan Liu , Jiaqi Wang , Yun Luo , Shuang Zhao , Wenbin Li , Stan Z. Li

Graph Convolutional Networks (GCNs) have shown significant improvements in semi-supervised learning on graph-structured data. Concurrently, unsupervised learning of graph embeddings has benefited from the information contained in random…

机器学习 · 计算机科学 2018-02-27 Sami Abu-El-Haija , Amol Kapoor , Bryan Perozzi , Joonseok Lee

Encrypted traffic classification is receiving widespread attention from researchers and industrial companies. However, the existing methods only extract flow-level features, failing to handle short flows because of unreliable statistical…

机器学习 · 计算机科学 2023-08-01 Haozhen Zhang , Le Yu , Xi Xiao , Qing Li , Francesco Mercaldo , Xiapu Luo , Qixu Liu

Graph Transformers (GTs) have demonstrated great effectiveness across various graph analytical tasks. However, the existing GTs focus on training and testing graph data originated from the same distribution, but fail to generalize under…

机器学习 · 计算机科学 2026-03-16 Tianyin Liao , Ziwei Zhang , Yufei Sun , Chunyu Hu , Jianxin Li

Temporal Graph Networks (TGNs) have demonstrated significant success in dynamic graph tasks such as link prediction and node classification. Both tasks comprise transductive settings, where the model predicts links among known nodes, and in…

机器学习 · 计算机科学 2025-04-16 Jiafeng Xiong , Rizos Sakellariou

We present GRAPE (Group Representational Position Encoding), a unified framework for positional encoding based on group actions. GRAPE unifies two families of mechanisms: (i) multiplicative rotations (Multiplicative GRAPE) in…

机器学习 · 计算机科学 2026-05-15 Yifan Zhang , Zixiang Chen , Yifeng Liu , Zhen Qin , Huizhuo Yuan , Kangping Xu , Yang Yuan , Quanquan Gu , Andrew Chi-Chih Yao

Learning representations of geographical space is vital for any machine learning model that integrates geolocated data, spanning application domains such as remote sensing, ecology, or epidemiology. Recent work embeds coordinates using sine…

机器学习 · 计算机科学 2024-04-16 Marc Rußwurm , Konstantin Klemmer , Esther Rolf , Robin Zbinden , Devis Tuia

Graphs serve as generic tools to encode the underlying relational structure of data. Often this graph is not given, and so the task of inferring it from nodal observations becomes important. Traditional approaches formulate a convex inverse…

机器学习 · 计算机科学 2024-06-24 Max Wasserman , Gonzalo Mateos

Graph Neural Networks (GNNs) have recently been explored as surrogate models for numerical simulations. While their applications in computational fluid dynamics have been investigated, little attention has been given to structural problems,…

机器学习 · 计算机科学 2025-10-30 Alessandro Lucchetti , Francesco Cadini , Marco Giglio , Luca Lomazzi

Point forecasting for graph-structured multivariate time series is a fundamental problem, but rigorous uncertainty quantification for such predictions is still underexplored. Conformal prediction (CP) offers uncertainty estimation with a…

机器学习 · 计算机科学 2026-05-07 Ruichao Guo , Xingyao Han , Luo Wenshui , Zhe Liu , Chen Gong , Hesheng Wang

Graph neural networks (GNNs) have been widely used in various graph-related problems such as node classification and graph classification, where superior performance is mainly established when natural node features are available. However,…

机器学习 · 计算机科学 2022-09-12 Hejie Cui , Zijie Lu , Pan Li , Carl Yang

One of the main challenges in solving time-dependent partial differential equations is to develop computationally efficient solvers that are accurate and stable. Here, we introduce a graph neural network approach to finding efficient PDE…

机器学习 · 计算机科学 2022-04-19 Pourya Pilva , Ahmad Zareei

In this paper, HeadPosr is proposed to predict the head poses using a single RGB image. \textit{HeadPosr} uses a novel architecture which includes a transformer encoder. In concrete, it consists of: (1) backbone; (2) connector; (3)…

计算机视觉与模式识别 · 计算机科学 2022-02-09 Naina Dhingra