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Graph representation learning resurges as a trending research subject owing to the widespread use of deep learning for Euclidean data, which inspire various creative designs of neural networks in the non-Euclidean domain, particularly…

Graph-based retrieval-augmented generation (GraphRAG) exploits structured knowledge to support knowledge-intensive reasoning. However, most existing methods treat graphs as intermediate artifacts, and the few subgraph-based retrieval…

信息检索 · 计算机科学 2026-03-10 Haonan Yuan , Qingyun Sun , Junhua Shi , Mingjun Liu , Jiaqi Yuan , Ziwei Zhang , Xingcheng Fu , Jianxin Li

Representing a manifold of very high-dimensional data with generative models has been shown to be computationally efficient in practice. However, this requires that the data manifold admits a global parameterization. In order to represent…

机器学习 · 计算机科学 2024-08-13 Giovanni S. Alberti , Johannes Hertrich , Matteo Santacesaria , Silvia Sciutto

A regularized version of Mixture Models is proposed to learn a principal graph from a distribution of $D$-dimensional data points. In the particular case of manifold learning for ridge detection, we assume that the underlying manifold can…

机器学习 · 计算机科学 2023-07-13 Tony Bonnaire , Aurélien Decelle , Nabila Aghanim

Graph condensation (GC) has gained significant attention for its ability to synthesize smaller yet informative graphs. However, existing studies often overlook the robustness of GC in scenarios where the original graph is corrupted. In such…

机器学习 · 计算机科学 2025-11-25 Jiayi Luo , Qingyun Sun , Beining Yang , Haonan Yuan , Xingcheng Fu , Yanbiao Ma , Jianxin Li , Philip S. Yu

Multi-domain graph pre-training integrates knowledge from diverse domains to enhance performance in the target domains, which is crucial for building graph foundation models. Despite initial success, existing solutions often fall short of…

机器学习 · 计算机科学 2026-03-03 Li Sun , Zhenhao Huang , Silei Chen , Lanxu Yang , Junda Ye , Sen Su , Philip S. Yu

Graph Neural Networks (GNNs) have achieved promising performance in semi-supervised node classification in recent years. However, the problem of insufficient supervision, together with representation collapse, largely limits the performance…

机器学习 · 计算机科学 2025-03-07 Xihong Yang , Yiqi Wang , Yue Liu , Yi Wen , Lingyuan Meng , Sihang Zhou , Xinwang Liu , En Zhu

Graph Neural Networks (GNNs) have shown remarkable success in molecular tasks, yet their interpretability remains challenging. Traditional model-level explanation methods like XGNN and GNNInterpreter often fail to identify valid…

机器学习 · 计算机科学 2025-04-25 Zhaoning Yu , Hongyang Gao

The prevalence of real-world multi-view data makes incomplete multi-view clustering (IMVC) a crucial research. The rapid development of Graph Neural Networks (GNNs) has established them as one of the mainstream approaches for multi-view…

Graph Convolutional Networks (GCNs) have shown very powerful for graph data representation and learning tasks. Existing GCNs usually conduct feature aggregation on a fixed neighborhood graph in which each node computes its representation by…

计算机视觉与模式识别 · 计算机科学 2019-11-21 Bo Jiang , Beibei Wang , Jin Tang , Bin Luo

Human motion generation is often learned in Euclidean spaces, although valid motions follow structured non-Euclidean geometry. We present Riemannian Motion Generation (RMG), a unified framework that represents motion on a product manifold…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Fangran Miao , Jian Huang , Ting Li

Non-Euclidean constraints are inherent in many kinds of data in computer vision and machine learning, typically as a result of specific invariance requirements that need to be respected during high-level inference. Often, these geometric…

计算机视觉与模式识别 · 计算机科学 2017-09-26 Suhas Lohit , Pavan Turaga

Following the success of deep convolutional networks in various vision and speech related tasks, researchers have started investigating generalizations of the well-known technique for graph-structured data. A recently-proposed method called…

社会与信息网络 · 计算机科学 2018-09-21 John Boaz Lee , Ryan A. Rossi , Xiangnan Kong , Sungchul Kim , Eunyee Koh , Anup Rao

Graph Convolutional Networks (GCNs) are powerful models for node representation learning tasks. However, the node representation in existing GCN models is usually generated by performing recursive neighborhood aggregation across multiple…

机器学习 · 计算机科学 2021-05-11 Hao Chen , Zengde Deng , Yue Xu , Zhoujun Li

Leading graph contrastive learning (GCL) methods perform graph augmentations in two fashions: (1) randomly corrupting the anchor graph, which could cause the loss of semantic information, or (2) using domain knowledge to maintain salient…

机器学习 · 计算机科学 2022-06-17 Sihang Li , Xiang Wang , An zhang , Yingxin Wu , Xiangnan He , Tat-Seng Chua

Graph neural networks (GNNs) have achieved remarkable success in a variety of machine learning tasks over graph data. Existing GNNs usually rely on message passing, i.e., computing node representations by gathering information from the…

机器学习 · 计算机科学 2024-10-15 Junru Zhou , Cai Zhou , Xiyuan Wang , Pan Li , Muhan Zhang

In a number of disciplines, the data (e.g., graphs, manifolds) to be analyzed are non-Euclidean in nature. Geometric deep learning corresponds to techniques that generalize deep neural network models to such non-Euclidean spaces. Several…

Consistency models are a class of generative models that enable few-step generation for diffusion and flow matching models. While consistency models have achieved promising results on Euclidean domains like images, their applications to…

机器学习 · 计算机科学 2025-11-04 Chaoran Cheng , Yusong Wang , Yuxin Chen , Xiangxin Zhou , Nanning Zheng , Ge Liu

Deep learning on graphs and in particular, graph convolutional neural networks, have recently attracted significant attention in the machine learning community. Many of such techniques explore the analogy between the graph Laplacian…

机器学习 · 计算机科学 2018-02-07 Federico Monti , Karl Otness , Michael M. Bronstein

Equilibrium computation on Riemannian manifolds provides a unifying framework for numerous problems in machine learning and data analytics. One of the simplest yet most fundamental methods is Riemannian gradient descent (RGD). While its…