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There are vast number of configurable parameters in a Radio Access Telecom Network. A significant amount of these parameters is configured by Radio Node or cell based on their deployment setting. Traditional methods rely on domain knowledge…

机器学习 · 计算机科学 2024-06-10 Shirwan Piroti , Ashima Chawla , Tahar Zanouda

Graph neural networks (GNNs) have shown significant success in learning graph representations. However, recent studies reveal that GNNs often fail to outperform simple MLPs on heterophilous graph tasks, where connected nodes may differ in…

机器学习 · 计算机科学 2025-04-10 Songwei Zhao , Yuan Jiang , Zijing Zhang , Yang Yu , Hechang Chen

Graph neural networks (GNNs) have been successfully applied to learning representation on graphs in many relational tasks. Recently, researchers study neural architecture search (NAS) to reduce the dependence of human expertise and explore…

机器学习 · 计算机科学 2021-09-06 Shaofei Cai , Liang Li , Xinzhe Han , Zheng-jun Zha , Qingming Huang

Subgraph matching query is a fundamental problem in graph data management and has a variety of real-world applications. Several recent works utilize deep learning (DL) techniques to process subgraph matching queries. Most of them find…

社会与信息网络 · 计算机科学 2025-10-29 Bin Yang , Zhaonian Zou , Jianxiong Ye

This paper studies four Graph Neural Network architectures (GNNs) for a graph classification task on a synthetic dataset created using classic generative models of Network Science. Since the synthetic networks do not contain (node or edge)…

社会与信息网络 · 计算机科学 2024-01-12 Walid Guettala , László Gulyás

General graphs are difficult for learning due to their irregular structures. Existing works employ message passing along graph edges to extract local patterns using customized graph kernels, but few of them are effective for the integration…

计算机视觉与模式识别 · 计算机科学 2020-07-23 Yecheng Lyu , Ming Li , Xinming Huang , Ulkuhan Guler , Patrick Schaumont , Ziming Zhang

The optimization of structural parameters, such as mass(m), stiffness(k), and damping coefficient(c), is critical for designing efficient, resilient, and stable structures. Conventional numerical approaches, including Finite Element Method…

神经与进化计算 · 计算机科学 2026-02-24 Sagnik Mukherjee , Indrajit Barua

Towards the challenging problem of semi-supervised node classification, there have been extensive studies. As a frontier, Graph Neural Networks (GNNs) have aroused great interest recently, which update the representation of each node by…

机器学习 · 计算机科学 2020-05-12 Huaxiu Yao , Chuxu Zhang , Ying Wei , Meng Jiang , Suhang Wang , Junzhou Huang , Nitesh V. Chawla , Zhenhui Li

Graph Neural Networks (GNNs) have achieved remarkable success by extending traditional convolution to learning on non-Euclidean data. The key to the GNNs is adopting the neural message-passing paradigm with two stages: aggregation and…

机器学习 · 计算机科学 2022-02-15 Yifei Zhang , Hao Zhu , Ziqiao Meng , Piotr Koniusz , Irwin King

Accurate indoor localization is crucial for enabling spatial context in smart environments and navigation systems. Wi-Fi Received Signal Strength (RSS) fingerprinting is a widely used indoor localization approach due to its compatibility…

机器学习 · 计算机科学 2025-07-16 Danish Gufran , Sudeep Pasricha

Anomalous users detection in social network is an imperative task for security problems. Motivated by the great power of Graph Neural Networks(GNNs), many current researches adopt GNN-based detectors to reveal the anomalous users. However,…

社会与信息网络 · 计算机科学 2021-04-27 Yangyang Li , Yipeng Ji , Shaoning Li , Shulong He , Yinhao Cao , Xiong Li , Jun Shi , Yangchao Yang , Yifeng Liu

Graph neural networks (GNNs) manifest pathologies including over-smoothing and limited discriminating power as a result of suboptimally expressive aggregating mechanisms. We herein present a unifying framework for stochastic aggregation…

机器学习 · 统计学 2021-03-01 Yuanqing Wang , Theofanis Karaletsos

Graph Neural Networks (GNNs) have been generalized to process the heterogeneous graphs by various approaches. Unfortunately, these approaches usually model the heterogeneity via various complicated modules. This paper aims to propose a…

机器学习 · 计算机科学 2023-11-23 Junfu Wang , Yuanfang Guo , Liang Yang , Yunhong Wang

In diagnosing neurological disorders from electroencephalography (EEG) data, foundation models such as Transformers have been employed to capture temporal dynamics. Additionally, Graph Neural Networks (GNNs) are critical for representing…

机器学习 · 计算机科学 2025-02-19 Toyotaro Suzumura , Hiroki Kanezashi , Shotaro Akahori

Graph Neural Networks (GNNs) have demonstrated remarkable success in node classification tasks over relational data, yet their effectiveness often depends on the availability of complete node features. In many real-world scenarios, however,…

机器学习 · 计算机科学 2025-11-12 Etzion Harari , Moshe Unger

We propose a novel approach for visual representation learning called Signature-Graph Neural Networks (SGN). SGN learns latent global structures that augment the feature representation of Convolutional Neural Networks (CNN). SGN constructs…

计算机视觉与模式识别 · 计算机科学 2021-10-25 Ali Hamdi , Flora Salim , Du Yong Kim , Xiaojun Chang

Community detection is a central problem in graph analysis, with applications ranging from network science to graph signal processing. In recent years, Graph Neural Networks (GNNs) have emerged as effective tools for learning…

数值分析 · 数学 2026-05-20 Roberto Cavoretto , Alessandra De Rossi , Enrico Montini

Heterogeneous graph neural networks (HGNNs) have powerful capability to embed rich structural and semantic information of a heterogeneous graph into node representations. Existing HGNNs inherit many mechanisms from graph neural networks…

机器学习 · 计算机科学 2023-09-04 Xiaocheng Yang , Mingyu Yan , Shirui Pan , Xiaochun Ye , Dongrui Fan

We present a local routing algorithm which guarantees delivery in all connected graphs embedded on a known surface of genus $g$. The algorithm transports $O(g\log n)$ memory and finishes in time $O(g^2n^2)$, where $n$ is the size of the…

计算几何 · 计算机科学 2012-02-29 Maia Fraser

RGB-Infrared (IR) person re-identification aims to retrieve person-of-interest from heterogeneous cameras, easily suffering from large image modality discrepancy caused by different sensing wavelength ranges. Existing work usually minimizes…

计算机视觉与模式识别 · 计算机科学 2021-07-27 Lin Wan , Zongyuan Sun , Qianyan Jing , Yehansen Chen , Lijing Lu , Zhihang Li