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Compared to sequential learning models, graph-based neural networks exhibit excellent ability in capturing global information and have been used for semi-supervised learning tasks. Most Graph Convolutional Networks are designed with the…

Computation and Language · Computer Science 2022-04-12 Kunze Wang , Soyeon Caren Han , Siqu Long , Josiah Poon

The prevalence of large-scale graphs poses great challenges in time and storage for training and deploying graph neural networks (GNNs). Several recent works have explored solutions for pruning the large original graph into a small and…

Machine Learning · Computer Science 2023-05-19 Jintang Li , Sheng Tian , Ruofan Wu , Liang Zhu , Welong Zhao , Changhua Meng , Liang Chen , Zibin Zheng , Hongzhi Yin

Unsupervised clustering is one of the most fundamental challenges in machine learning. A popular hypothesis is that data are generated from a union of low-dimensional nonlinear manifolds; thus an approach to clustering is identifying and…

Machine Learning · Computer Science 2017-12-27 Dejiao Zhang , Yifan Sun , Brian Eriksson , Laura Balzano

Feature selection is a core area of data mining with a recent innovation of graph-driven unsupervised feature selection for linked data. In this setting we have a dataset $\mathbf{Y}$ consisting of $n$ instances each with $m$ features and a…

Machine Learning · Computer Science 2020-07-07 Zilong Bai , Hoa Nguyen , Ian Davidson

Graph neural networks (GNNs) have been widely investigated in the field of semi-supervised graph machine learning. Most methods fail to exploit adequate graph information when labeled data is limited, leading to the problem of…

Machine Learning · Computer Science 2023-03-15 Linxuan Song , Wenxuan Tu , Sihang Zhou , Xinwang Liu , En Zhu

Recent GraphRAG methods integrate graph structures into text indexing and retrieval, using knowledge graph triples to connect text chunks, thereby improving retrieval coverage and precision. However, we observe that treating text chunks as…

Information Retrieval · Computer Science 2026-04-24 Yanning Hou , Duanyang Yuan , Sihang Zhou , Xiaoshu Chen , Ke Liang , Siwei Wang , Xinwang Liu , Jian Huang

Graph Convolutional Networks(GCNs) play a crucial role in graph learning tasks, however, learning graph embedding with few supervised signals is still a difficult problem. In this paper, we propose a novel training algorithm for Graph…

Machine Learning · Computer Science 2020-02-21 Ke Sun , Zhouchen Lin , Zhanxing Zhu

With the increasing use of high-precision system analysis programs in nuclear engineering, the number of high-fidelity computational data for accident simulation is exploding. Therefore, an algorithm that can achieve both automatic…

Signal Processing · Electrical Eng. & Systems 2022-08-30 Chengyuan Li , Meifu Li , Zhifang Qiu

Shearography is a non-destructive testing method for detecting subsurface defects, offering high sensitivity and full-field inspection capabilities. However, its industrial adoption remains limited due to the need for expert interpretation.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-12 Jessica Plassmann , Nicolas Schuler , Georg von Freymann , Michael Schuth

Edge learning facilitates ubiquitous intelligence by enabling model training and adaptation directly on data-generating devices, thereby mitigating privacy risks and communication latency. However, the high computational and energy overhead…

Machine Learning · Computer Science 2026-02-03 Laha Ale , Hu Luo , Mingsheng Cao , Shichao Li , Huanlai Xing , Haifeng Sun

Despite impressive advancements in Autonomous Driving Systems (ADS), navigation in complex road conditions remains a challenging problem. There is considerable evidence that evaluating the subjective risk level of various decisions can…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Shih-Yuan Yu , Arnav V. Malawade , Deepan Muthirayan , Pramod P. Khargonekar , Mohammad A. Al Faruque

Graph anomaly detection has gained significant attention across various domains, particularly in critical applications like fraud detection in e-commerce platforms and insider threat detection in cybersecurity. Usually, these data are…

Machine Learning · Computer Science 2025-02-20 Lecheng Zheng , John R. Birge , Haiyue Wu , Yifang Zhang , Jingrui He

In recent years, deep learning (DL)-based methods have been widely used in code vulnerability detection. The DL-based methods typically extract structural information from source code, e.g., code structure graph, and adopt neural networks…

Software Engineering · Computer Science 2023-12-12 Xin-Cheng Wen , Cuiyun Gao , Jiaxin Ye , Yichen Li , Zhihong Tian , Yan Jia , Xuan Wang

Recent studies often exploit Graph Convolutional Network (GCN) to model label dependencies to improve recognition accuracy for multi-label image recognition. However, constructing a graph by counting the label co-occurrence possibilities of…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Jin Ye , Junjun He , Xiaojiang Peng , Wenhao Wu , Yu Qiao

A central challenge in computational catalysis is the identification of low-energy and chemically plausible adsorption configurations, as these directly affect adsorption energies, reaction pathways, and catalytic performance. Existing…

Materials Science · Physics 2026-05-07 Yifan Li , Arravind Subramanian , Xiaoqing Liu , Qiujie Lyu , Sergey Kozlov , Lei Shen

Partial Differential Equations (PDEs) underpin many scientific phenomena, yet traditional computational approaches often struggle with complex, nonlinear systems and irregular geometries. This paper introduces the AMG method, a Multi-Graph…

Machine Learning · Computer Science 2025-02-10 Zhihao Li , Haoze Song , Di Xiao , Zhilu Lai , Wei Wang

Existing deep architectures cannot operate on very large signals such as megapixel images due to computational and memory constraints. To tackle this limitation, we propose a fully differentiable end-to-end trainable model that samples and…

Computer Vision and Pattern Recognition · Computer Science 2019-07-18 Angelos Katharopoulos , François Fleuret

Collecting and labeling training data is one important step for learning-based methods because the process is time-consuming and biased. For face analysis tasks, although some generative models can be used to generate face data, they can…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Dingyun Zhang , Chenglai Zhong , Yudong Guo , Yang Hong , Juyong Zhang

This paper introduces an algorithm for the detection of change-points and the identification of the corresponding subsequences in transient multivariate time-series data (MTSD). The analysis of such data has become more and more important…

Signal Processing · Electrical Eng. & Systems 2023-04-05 Jonas Köhne , Lars Henning , Clemens Gühmann

We introduce Quantum Graph Attention Networks (QGATs) as trainable quantum encoders for inductive learning on graphs, extending the Quantum Graph Neural Networks (QGNN) framework. QGATs leverage parameterized quantum circuits to encode node…

Quantum Physics · Physics 2025-09-16 Arthur M. Faria , Mehdi Djellabi , Igor O. Sokolov , Savvas Varsamopoulos