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相关论文: Topology-aware Reinforcement Feature Space Reconst…

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In recent years, Graph Neural Networks (GNNs) have made significant advances in processing structured data. However, most of them primarily adopted a model-centric approach, which simplifies graphs by converting them into undirected formats…

机器学习 · 计算机科学 2024-12-12 Henan Sun , Xunkai Li , Daohan Su , Junyi Han , Rong-Hua Li , Guoren Wang

Vital importance has necessity to be attached to cooperation in multi-agent environments, as a result of which some reinforcement learning algorithms combined with graph neural networks have been proposed to understand the mutual interplay…

机器学习 · 计算机科学 2021-10-26 Tianqi Shen , Hong Zhang , Ding Yuan , Jiaping Xiao , Yifan Yang

We propose a deep autoencoder with graph topology inference and filtering to achieve compact representations of unorganized 3D point clouds in an unsupervised manner. Many previous works discretize 3D points to voxels and then use…

计算机视觉与模式识别 · 计算机科学 2020-02-19 Siheng Chen , Chaojing Duan , Yaoqing Yang , Duanshun Li , Chen Feng , Dong Tian

Animals are able to discover the topological map (graph) of surrounding environment, which will be used for navigation. Inspired by this biological phenomenon, researchers have recently proposed to generate graph representation for Markov…

机器学习 · 计算机科学 2020-06-24 Zhao-Heng Yin , Wu-Jun Li

At present, designing convolutional neural network (CNN) architectures requires both human expertise and labor. New architectures are handcrafted by careful experimentation or modified from a handful of existing networks. We introduce…

机器学习 · 计算机科学 2017-03-24 Bowen Baker , Otkrist Gupta , Nikhil Naik , Ramesh Raskar

AI agents have experienced a paradigm shift, from early dominance by reinforcement learning (RL) to the rise of agents powered by large language models (LLMs), and now further advancing towards a synergistic fusion of RL and LLM…

Graph embeddings play a critical role in graph representation learning, allowing machine learning models to explore and interpret graph-structured data. However, existing methods often rely on opaque, high-dimensional embeddings, limiting…

机器学习 · 计算机科学 2025-11-26 Astrit Tola , Funmilola Mary Taiwo , Cuneyt Gurcan Akcora , Baris Coskunuzer

Recent years have witnessed great success in handling node classification tasks with Graph Neural Networks (GNNs). However, most existing GNNs are based on the assumption that node samples for different classes are balanced, while for many…

机器学习 · 计算机科学 2021-06-22 Lirong Wu , Haitao Lin , Zhangyang Gao , Cheng Tan , Stan. Z. Li

Generative design refers to computational design methods that can automatically conduct design exploration under constraints defined by designers. Among many approaches, topology optimization-based generative designs aim to explore diverse…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Seowoo Jang , Soyoung Yoo , Namwoo Kang

Graph motif, defined as the microstructure that appears repeatedly in a large graph, reveals important topological characteristics of the large graph and has gained increasing attention in power system analysis regarding reliability,…

系统与控制 · 电气工程与系统科学 2024-12-10 Yiyan Li , Zhenghao Zhou , Jian Ping , Xiaoyuan Xu , Zheng Yan , Jianzhong Wu

Real data collected from different applications that have additional topological structures and connection information are amenable to be represented as a weighted graph. Considering the node labeling problem, Graph Neural Networks (GNNs)…

社会与信息网络 · 计算机科学 2020-02-06 Xiaoxiao Li , Joao Saude

Graph representation learning has attracted increasing research attention. However, most existing studies fuse all structural features and node attributes to provide an overarching view of graphs, neglecting finer substructures' semantics,…

机器学习 · 计算机科学 2021-05-25 Qingyun Sun , Jianxin Li , Hao Peng , Jia Wu , Yuanxing Ning , Phillip S. Yu , Lifang He

Graphs are ubiquitous structures found in numerous real-world applications, such as drug discovery, recommender systems, and social network analysis. To model graph-structured data, graph neural networks (GNNs) have become a popular tool.…

计算与语言 · 计算机科学 2025-02-10 Zehong Wang , Sidney Liu , Zheyuan Zhang , Tianyi Ma , Chuxu Zhang , Yanfang Ye

Graph classification is a pivotal challenge in machine learning, especially within the realm of graph-based data, given its importance in numerous real-world applications such as social network analysis, recommendation systems, and…

机器学习 · 计算机科学 2024-07-03 Bowen Zhang , Zhichao Huang , Genan Dai , Guangning Xu , Xiaomao Fan , Hu Huang

In this paper, we propose a spatial graph convolution (GC) to classify signals on a graph. Existing GC methods are limited to using the structural information in the feature space. Additionally, the single step of GCs only uses features on…

计算机视觉与模式识别 · 计算机科学 2021-12-06 Yang Li , Yuichi Tanaka

Graph path search is a classic computer science problem that has been recently approached with Reinforcement Learning (RL) due to its potential to outperform prior methods. Existing RL techniques typically assume a global view of the…

机器学习 · 计算机科学 2024-11-27 Alexei Pisacane , Victor-Alexandru Darvariu , Mirco Musolesi

Many visual phenomena suggest that humans use top-down generative or reconstructive processes to create visual percepts (e.g., imagery, object completion, pareidolia), but little is known about the role reconstruction plays in robust object…

计算机视觉与模式识别 · 计算机科学 2023-02-09 Seoyoung Ahn , Hossein Adeli , Gregory J. Zelinsky

Feature transformation plays a critical role in enhancing machine learning model performance by optimizing data representations. Recent state-of-the-art approaches address this task as a continuous embedding optimization problem, converting…

机器学习 · 计算机科学 2025-08-29 Yang Gao , Dongjie Wang , Scott Piersall , Ye Zhang , Liqiang Wang

Graph neural networks (GNNs) are effective machine learning models for many graph-related applications. Despite their empirical success, many research efforts focus on the theoretical limitations of GNNs, i.e., the GNNs expressive power.…

机器学习 · 计算机科学 2025-01-13 Bingxu Zhang , Changjun Fan , Shixuan Liu , Kuihua Huang , Xiang Zhao , Jincai Huang , Zhong Liu

The irreducible complexity of natural phenomena has led Graph Neural Networks to be employed as a standard model to perform representation learning tasks on graph-structured data. While their capacity to capture local and global patterns is…

机器学习 · 计算机科学 2024-02-13 Lorenzo Giusti