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Graph neural networks (GNNs) have demonstrated significant success in various applications, such as node classification, link prediction, and graph classification. Active learning for GNNs aims to query the valuable samples from the…

机器学习 · 计算机科学 2024-05-08 Chengcheng Yu , Jiapeng Zhu , Xiang Li

Optimization based motion planning provides a useful modeling framework through various costs and constraints. Using Graph of Convex Sets (GCS) for trajectory optimization gives guarantees of feasibility and optimality by representing…

机器人学 · 计算机科学 2025-04-15 Shruti Garg , Thomas Cohn , Russ Tedrake

Graph Convolutional Networks (GCNs), particularly for large-scale graphs, are crucial across numerous domains. However, training distributed full-batch GCNs on large-scale graphs suffers from inefficient memory access patterns and high…

分布式、并行与集群计算 · 计算机科学 2025-05-27 Chen Zhuang , Lingqi Zhang , Du Wu , Peng Chen , Jiajun Huang , Xin Liu , Rio Yokota , Nikoli Dryden , Toshio Endo , Satoshi Matsuoka , Mohamed Wahib

The graph identification problem consists of discovering the interactions among nodes in a network given their state/feature trajectories. This problem is challenging because the behavior of a node is coupled to all the other nodes by the…

系统与控制 · 电气工程与系统科学 2023-10-24 Eduardo Sebastian , Thai Duong , Nikolay Atanasov , Eduardo Montijano , Carlos Sagues

Dynamical systems consisting of a set of autonomous agents face the challenge of having to accomplish a global task, relying only on local information. While centralized controllers are readily available, they face limitations in terms of…

机器学习 · 计算机科学 2022-03-24 Fernando Gama , Qingbiao Li , Ekaterina Tolstaya , Amanda Prorok , Alejandro Ribeiro

Devising and analyzing learning models for spatiotemporal network data is of importance for tasks including forecasting, anomaly detection, and multi-agent coordination, among others. Graph Convolutional Neural Networks (GCNNs) are an…

机器学习 · 计算机科学 2022-07-01 Mohammad Sabbaqi , Elvin Isufi

Finding optimal bidding strategies for generation units in electricity markets would result in higher profit. However, it is a challenging problem due to the system uncertainty which is due to the unknown other generation units' strategies.…

人工智能 · 计算机科学 2022-08-15 Pegah Rokhforoz , Olga Fink

Link prediction in structured-data is an important problem for many applications, especially for recommendation systems. Existing methods focus on how to learn the node representation based on graph-based structure. High-dimensional sparse…

社会与信息网络 · 计算机科学 2021-12-28 Yifei Zhao , Mingdong Ou , Rongzhi Zhang , Meng Li

Large-scale supervised classification algorithms, especially those based on deep convolutional neural networks (DCNNs), require vast amounts of training data to achieve state-of-the-art performance. Decreasing this data requirement would…

计算机视觉与模式识别 · 计算机科学 2016-06-15 Maya Kabkab , Azadeh Alavi , Rama Chellappa

Extensive research has been devoted to the field of multi-agent navigation. Recently, there has been remarkable progress attributed to the emergence of learning-based techniques with substantially elevated intelligence and realism.…

机器人学 · 计算机科学 2023-12-05 Xuan Zhang , Xifeng Gao , Kui Wu , Zherong Pan

Graph Convolutional Networks (GCNs) are powerful for processing graph-structured data and have achieved state-of-the-art performance in several tasks such as node classification, link prediction, and graph classification. However, it is…

机器学习 · 计算机科学 2021-10-19 Langzhang Liang , Cuiyun Gao , Shiyi Chen , Shishi Duan , Yu pan , Junjin Zheng , Lei Wang , Zenglin Xu

Node classification in attributed graphs is an important task in multiple practical settings, but it can often be difficult or expensive to obtain labels. Active learning can improve the achieved classification performance for a given…

机器学习 · 计算机科学 2020-07-13 Florence Regol , Soumyasundar Pal , Yingxue Zhang , Mark Coates

Graph Neural Networks (GNNs) are a form of deep learning that enable a wide range of machine learning applications on graph-structured data. The learning of GNNs, however, is known to pose challenges for memory-constrained devices such as…

机器学习 · 计算机科学 2023-05-01 Jeroen Bollen , Jasper Steegmans , Jan Van den Bussche , Stijn Vansummeren

A common issue in graph learning under the semi-supervised setting is referred to as gradient scarcity. That is, learning graphs by minimizing a loss on a subset of nodes causes edges between unlabelled nodes that are far from labelled ones…

机器学习 · 计算机科学 2023-03-27 Hashem Ghanem , Samuel Vaiter , Nicolas Keriven

In this work, we propose a Graph Convolutional Neural Networks (GCN) based scheduling algorithm for adhoc networks. In particular, we consider a generalized interference model called the $k$-tolerant conflict graph model and design an…

系统与控制 · 电气工程与系统科学 2021-11-03 S. Ramakrishnan , Jaswanthi Mandalapu , Subrahmanya Swamy Peruru , Bhavesh Jain , Eitan Altman

We propose a learning framework to find the representation of a robot's kinematic structure and motion embedding spaces using graph neural networks (GNN). Finding a compact and low-dimensional embedding space for complex phenomena is a key…

机器人学 · 计算机科学 2023-02-01 J. Taery Kim , Jeongeun Park , Sungjoon Choi , Sehoon Ha

Graph convolutional networks (GCNs) have achieved remarkable learning ability for dealing with various graph structural data recently. In general, deep GCNs do not work well since graph convolution in conventional GCNs is a special form of…

机器学习 · 计算机科学 2021-12-08 Zhilong Xiong , Jia Cai

Developing scalable solutions for training Graph Neural Networks (GNNs) for link prediction tasks is challenging due to the high data dependencies which entail high computational cost and huge memory footprint. We propose a new method for…

机器学习 · 计算机科学 2022-01-11 Nasrullah Sheikh , Xiao Qin , Berthold Reinwald , Chuan Lei

Graph Convolutional Networks (GCNs) have received increasing attention in the machine learning community for effectively leveraging both the content features of nodes and the linkage patterns across graphs in various applications. As…

机器学习 · 计算机科学 2021-01-01 Donghan Yu , Ruohong Zhang , Zhengbao Jiang , Yuexin Wu , Yiming Yang

This paper considers the problem of online multi-robot motion planning with general nonlinear dynamics subject to unknown external disturbances. We propose dSLAP, a distributed safe learning and planning framework that allows the robots to…

系统与控制 · 电气工程与系统科学 2025-05-27 Zhenyuan Yuan , Minghui Zhu