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The large volumes of Sentinel-1 data produced over Europe are being used to develop pan-national ground motion services. However, simple analysis techniques like thresholding cannot detect and classify complex deformation signals reliably…

计算机视觉与模式识别 · 计算机科学 2020-05-14 Nantheera Anantrasirichai , Juliet Biggs , Krisztina Kelevitz , Zahra Sadeghi , Tim Wright , James Thompson , Alin Achim , David Bull

Feature selection is a powerful dimension reduction technique which selects a subset of relevant features for model construction. Numerous feature selection methods have been proposed, but most of them fail under the high-dimensional and…

机器学习 · 计算机科学 2023-07-07 Can Chen , Scott T. Weiss , Yang-Yu Liu

Federated Graph Learning (FGL) is an emerging technology that enables clients to collaboratively train powerful Graph Neural Networks (GNNs) in a distributed manner without exposing their private data. Nevertheless, FGL still faces the…

机器学习 · 计算机科学 2024-08-22 Longwen Wang , Jianchun Liu , Zhi Liu , Jinyang Huang

Federated Graph Learning (FGL) has emerged as a promising paradigm for breaking data silos among distributed private graphs. In practical scenarios involving heterogeneous distributed graph data, personalized Federated Graph Learning (pFGL)…

机器学习 · 计算机科学 2025-08-07 Guochen Yan , Xunkai Li , Luyuan Xie , Qingni Shen , Yuejian Fang , Zhonghai Wu

Graph Neural Networks (GNNs) have excelled in handling graph-structured data, attracting significant research interest. However, two primary challenges have emerged: interference between topology and attributes distorting node…

机器学习 · 计算机科学 2024-11-19 Yachao Yang , Yanfeng Sun , Jipeng Guo , Junbin Gao , Shaofan Wang , Fujiao Ju , Baocai Yin

This paper presents a 1-D convolutional graph neural network for fault detection in microgrids. The combination of 1-D convolutional neural networks (1D-CNN) and graph convolutional networks (GCN) helps extract both spatial-temporal…

系统与控制 · 电气工程与系统科学 2022-11-08 Bang L. H. Nguyen , Tuyen Vu , Thai-Thanh Nguyen , Mayank Panwar , Rob Hovsapian

In this work, we study the problem of partitioning a set of graphs into different groups such that the graphs in the same group are similar while the graphs in different groups are dissimilar. This problem was rarely studied previously,…

机器学习 · 计算机科学 2023-02-07 Jinyu Cai , Yi Han , Wenzhong Guo , Jicong Fan

Depth-first search (DFS) is the basis for many efficient graph algorithms. We introduce general techniques for the efficient implementation of DFS-based graph algorithms and exemplify them on three algorithms for computing strongly…

数据结构与算法 · 计算机科学 2017-03-30 Kurt Mehlhorn , Stefan Näher , Peter Sanders

Recently, generative graph models have shown promising results in learning graph representations through self-supervised methods. However, most existing generative graph representation learning (GRL) approaches rely on random masking across…

机器学习 · 计算机科学 2026-05-08 Xinyue Hu , Zhibin Duan , Xinyang Liu , Yuxin Li , Bo Chen , Chaojie Wang , Yilin He , Hongwei Liu , Mingyuan Zhou

One practice of employing deep neural networks is to apply the same architecture to all the input instances. However, a fixed architecture may not be representative enough for data with high diversity. To promote the model capacity,…

计算机视觉与模式识别 · 计算机科学 2020-10-05 Kun Yuan , Quanquan Li , Dapeng Chen , Aojun Zhou , Junjie Yan

Feature selection (FS) plays an important role in machine learning, which extracts important features and accelerates the learning process. In this paper, we propose a deep FS method that simultaneously conducts feature selection and…

机器学习 · 计算机科学 2023-11-10 Lei Xu , Lei Chen , Rong Wang , Feiping Nie , Xuelong Li

Graph deep learning has recently emerged as a powerful ML concept allowing to generalize successful deep neural architectures to non-Euclidean structured data. Such methods have shown promising results on a broad spectrum of applications…

机器学习 · 计算机科学 2022-05-16 Anees Kazi , Luca Cosmo , Seyed-Ahmad Ahmadi , Nassir Navab , Michael Bronstein

Graphs are widely used to model relational data. As graphs are getting larger and larger in real-world scenarios, there is a trend to store and compute subgraphs in multiple local systems. For example, recently proposed \emph{subgraph…

机器学习 · 计算机科学 2024-01-30 Zaixi Zhang , Qingyong Hu , Yang Yu , Weibo Gao , Qi Liu

This work is concerned with the prime factor decomposition (PFD) of strong product graphs. A new quasi-linear time algorithm for the PFD with respect to the strong product for arbitrary, finite, connected, undirected graphs is derived.…

离散数学 · 计算机科学 2017-05-11 Marc Hellmuth

Double-strand DNA breaks (DSBs) are a form of DNA damage that can cause abnormal chromosomal rearrangements. Recent technologies based on high-throughput experiments have obvious high costs and technical challenges.Therefore, we design a…

定量方法 · 定量生物学 2022-01-07 XU Wang , Huan Zhao , Weiwei TU , Hao Li , Yu Sun , Xiaochen Bo

Graph neural networks are recognized for their strong performance across various applications, with the backpropagation algorithm playing a central role in the development of most GNN models. However, despite its effectiveness, BP has…

机器学习 · 计算机科学 2024-11-06 Gongpei Zhao , Tao Wang , Congyan Lang , Yi Jin , Yidong Li , Haibin Ling

Graph convolutional neural networks (GCN) have been the model of choice for graph representation learning, which is mainly due to the effective design of graph convolution that computes the representation of a node by aggregating those of…

机器学习 · 计算机科学 2021-06-10 Qimai Li , Xiaotong Zhang , Han Liu , Quanyu Dai , Xiao-Ming Wu

The applications of traditional statistical feature selection methods to high-dimension, low sample-size data often struggle and encounter challenging problems, such as overfitting, curse of dimensionality, computational infeasibility, and…

机器学习 · 统计学 2023-12-19 Kexuan Li , Fangfang Wang , Lingli Yang , Ruiqi Liu

In the current deep learning based recommendation system, the embedding method is generally employed to complete the conversion from the high-dimensional sparse feature vector to the low-dimensional dense feature vector. However, as the…

信息检索 · 计算机科学 2021-08-10 Huimin Zhou , Qing Li , Yong Jiang , Rongwei Yang , Zhuyun Qi

As a fundamental topic in graph mining, Densest Subgraph Discovery (DSD) has found a wide spectrum of real applications. Several DSD algorithms, including exact and approximation algorithms, have been proposed in the literature. However,…

数据库 · 计算机科学 2024-06-10 Yingli Zhou , Qingshuo Guo , Yi Yang , Yixiang Fang , Chenhao Ma , Laks Lakshmanan