中文
相关论文

相关论文: DeH4R: A Decoupled and Hybrid Method for Road Netw…

200 篇论文

Subgraph-based graph representation learning (SGRL) has been recently proposed to deal with some fundamental challenges encountered by canonical graph neural networks (GNNs), and has demonstrated advantages in many important data science…

机器学习 · 计算机科学 2022-08-04 Haoteng Yin , Muhan Zhang , Yanbang Wang , Jianguo Wang , Pan Li

I will present a way to implement graph algorithms which is different from traditional methods. This work was motivated by the belief that some ideas from software engineering should be applied to graph algorithms. Re-usability of software…

数据结构与算法 · 计算机科学 2010-03-24 Marco Nissen

This study focuses on the challenge of predicting network traffic within complex topological environments. It introduces a spatiotemporal modeling approach that integrates Graph Convolutional Networks (GCN) with Gated Recurrent Units (GRU).…

机器学习 · 计算机科学 2025-05-13 Nan Jiang , Wenxuan Zhu , Xu Han , Weiqiang Huang , Yumeng Sun

Deep graph generative modeling has proven capable of learning the distribution of complex, multi-scale structures characterizing real-world graphs. However, one of the main limitations of existing methods is their large output space, which…

机器学习 · 计算机科学 2023-06-01 Nathaniel Diamant , Alex M. Tseng , Kangway V. Chuang , Tommaso Biancalani , Gabriele Scalia

Deep learning methods for graphs achieve remarkable performance on many node-level and graph-level prediction tasks. However, despite the proliferation of the methods and their success, prevailing Graph Neural Networks (GNNs) neglect…

机器学习 · 计算机科学 2020-11-10 Emily Alsentzer , Samuel G. Finlayson , Michelle M. Li , Marinka Zitnik

The simulation of discrete karst networks presents a significant challenge due to the complexity of the physicochemical processes occurring within various geological and hydrogeological contexts over extended periods. This complex interplay…

机器学习 · 统计学 2025-06-12 Dany Lauzon , Julien Straubhaar , Philippe Renard

The task of lane detection has garnered considerable attention in the field of autonomous driving due to its complexity. Lanes can present difficulties for detection, as they can be narrow, fragmented, and often obscured by heavy traffic.…

计算机视觉与模式识别 · 计算机科学 2023-07-10 Jia-Qi Zhang , Hao-Bin Duan , Jun-Long Chen , Ariel Shamir , Miao Wang

Graph-based methods have proven to be effective in capturing relationships among points for 3D point cloud analysis. However, these methods often suffer from suboptimal graph structures, particularly due to sparse connections at boundary…

计算机视觉与模式识别 · 计算机科学 2026-01-19 Shangbo Yuan , Jie Xu , Ping Hu , Xiaofeng Zhu , Na Zhao

Existing learning-to-rank methods for road networks often fail to incorporate origin-destination (OD) flows and route information, limiting their ability to model long-range spatial dependencies. To address this gap, we propose HetGL2R, a…

机器学习 · 计算机科学 2026-03-10 Ming Xu , Jinrong Xiang , Zilong Xie , Xiangfu Meng

Generation of graphs is a major challenge for real-world tasks that require understanding the complex nature of their non-Euclidean structures. Although diffusion models have achieved notable success in graph generation recently, they are…

机器学习 · 计算机科学 2024-06-04 Jaehyeong Jo , Dongki Kim , Sung Ju Hwang

While a wide range of interpretable generative procedures for graphs exist, matching observed graph topologies with such procedures and choices for its parameters remains an open problem. Devising generative models that closely reproduce…

机器学习 · 计算机科学 2019-11-11 Niklas Stoehr , Emine Yilmaz , Marc Brockschmidt , Jan Stuehmer

The robustness of image recognition algorithms remains a critical challenge, as current models often depend on large quantities of labeled data. In this paper, we propose a hybrid approach that combines the adaptability of neural networks…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Sina Ditzel , Achref Jaziri , Iuliia Pliushch , Visvanathan Ramesh

Two-stage detectors have gained much popularity in 3D object detection. Most two-stage 3D detectors utilize grid points, voxel grids, or sampled keypoints for RoI feature extraction in the second stage. Such methods, however, are…

计算机视觉与模式识别 · 计算机科学 2022-08-09 Honghui Yang , Zili Liu , Xiaopei Wu , Wenxiao Wang , Wei Qian , Xiaofei He , Deng Cai

Faster pathfinding in time-dependent transport networks is an important and challenging problem in navigation systems. There are two main types of transport networks: road networks for car driving and public transport route network. The…

数据结构与算法 · 计算机科学 2024-10-24 Andrii Rohovyi , Peter J. Stuckey , Toby Walsh

Prediction of taxi service demand and supply is essential for improving customer's experience and provider's profit. Recently, graph neural networks (GNNs) have been shown promising for this application. This approach models city regions as…

机器学习 · 计算机科学 2023-04-07 Mahmoud Nazzal , Abdallah Khreishah , Joyoung Lee , Shaahin Angizi , Ala Al-Fuqaha , Mohsen Guizani

Graph Neural Networks (GNNs) are widely used in graph representation learning. However, most GNN methods are designed for either homogeneous or heterogeneous graphs. In this paper, we propose a new model, Hop-Hop Relation-aware Graph Neural…

机器学习 · 计算机科学 2020-12-22 Li Zhang , Yan Ge , Haiping Lu

Spatial-temporal graph modeling is an important task to analyze the spatial relations and temporal trends of components in a system. Existing approaches mostly capture the spatial dependency on a fixed graph structure, assuming that the…

机器学习 · 计算机科学 2019-06-04 Zonghan Wu , Shirui Pan , Guodong Long , Jing Jiang , Chengqi Zhang

Accurate lane topology is essential for autonomous driving, yet traditional methods struggle to model the complex, non-linear structures-such as loops and bidirectional lanes-prevalent in real-world road structure. We present SeqGrowGraph,…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Mengwei Xie , Shuang Zeng , Xinyuan Chang , Xinran Liu , Zheng Pan , Mu Xu , Xing Wei

Large scale-free graphs are famously difficult to process efficiently: the skewed vertex degree distribution makes it difficult to obtain balanced partitioning. Our research instead aims to turn this into an advantage by partitioning the…

分布式、并行与集群计算 · 计算机科学 2015-10-05 Scott Sallinen , Abdullah Gharaibeh , Matei Ripeanu

$\textbf{Graph Coarsening (GC)}$ is a prominent graph reduction technique that compresses large graphs to enable efficient learning and inference. However, existing GC methods generate only one coarsened graph per run and must recompute…

社会与信息网络 · 计算机科学 2025-05-23 Mohit Kataria , Shreyash Bhilwade , Sandeep Kumar , Jayadeva