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Rule-based fine-grained IP geolocation methods are hard to generalize in computer networks which do not follow hypothetical rules. Recently, deep learning methods, like multi-layer perceptron (MLP), are tried to increase generalization…

机器学习 · 计算机科学 2023-04-18 Shichang Ding , Xiangyang Luo , Jinwei Wang , Xiaoming Fu

Combinatorial optimization (CO) problems are crucial in various scientific and industrial applications. Recently, researchers have proposed using unsupervised Graph Neural Networks (GNNs) to address NP-hard combinatorial optimization…

机器学习 · 计算机科学 2024-07-24 Daria Pugacheva , Andrei Ermakov , Igor Lyskov , Ilya Makarov , Yuriy Zotov

Resource allocation problems are often approached with linear programming techniques. But many concrete allocation problems in the experimental and observational sciences cannot or should not be expressed in the form of linear objective…

天体物理仪器与方法 · 物理学 2021-10-01 Tianshu Wang , Peter Melchior

Accurate and robust weather forecasting remains a fundamental challenge due to the inherent spatio-temporal complexity of atmospheric systems. In this paper, we propose a novel self-supervised learning framework that leverages…

机器学习 · 计算机科学 2025-11-04 Yao Liu

Long-term stability stands as a crucial requirement in data-driven medium-range global weather forecasting. Spectral bias is recognized as the primary contributor to instabilities, as data-driven methods difficult to learn small-scale…

机器学习 · 计算机科学 2024-07-03 Yifan Hu , Fukang Yin , Weimin Zhang , Kaijun Ren , Junqiang Song , Kefeng Deng , Di Zhang

Graph Neural Networks (GNNs) have achieved remarkable success in various graph-based learning tasks. While their performance is often attributed to the powerful neighborhood aggregation mechanism, recent studies suggest that other…

机器学习 · 计算机科学 2024-12-11 Yushun Dong , Patrick Soga , Yinhan He , Song Wang , Jundong Li

We present an efficient convolution kernel for Convolutional Neural Networks (CNNs) on unstructured grids using parameterized differential operators while focusing on spherical signals such as panorama images or planetary signals. To this…

计算机视觉与模式识别 · 计算机科学 2019-01-09 Chiyu "Max" Jiang , Jingwei Huang , Karthik Kashinath , Prabhat , Philip Marcus , Matthias Niessner

Graph Neural Networks (GNNs) have emerged as a prominent research topic in the field of machine learning. Existing GNN models are commonly categorized into two types: spectral GNNs, which are designed based on polynomial graph filters, and…

机器学习 · 计算机科学 2023-09-01 Guanyu Cui , Zhewei Wei

Classical neural ODEs trained with explicit methods are intrinsically limited by stability, crippling their efficiency and robustness for stiff learning problems that are common in graph learning and scientific machine learning. We present…

机器学习 · 计算机科学 2024-12-17 Hong Zhang , Ying Liu , Romit Maulik

Comprehending the interplay between spatial and temporal characteristics of neural dynamics can contribute to our understanding of information processing in the human brain. Graph neural networks (GNNs) provide a new possibility to…

神经元与认知 · 定量生物学 2022-04-29 Simon Wein , Alina Schüller , Ana Maria Tomé , Wilhelm M. Malloni , Mark W. Greenlee , Elmar W. Lang

In many domains data is currently represented as graphs and therefore, the graph representation of this data becomes increasingly important in machine learning. Network data is, implicitly or explicitly, always represented using a graph…

机器学习 · 计算机科学 2022-01-31 George Dasoulas , Johannes Lutzeyer , Michalis Vazirgiannis

Graph Neural Networks (GNNs) have emerged as a powerful tool to capture intricate network patterns, achieving success across different domains. However, existing GNNs require careful domain-specific architecture designs and training from…

机器学习 · 计算机科学 2025-05-30 Jingzhe Liu , Haitao Mao , Zhikai Chen , Bingheng Li , Wenqi Fan , Mingxuan Ju , Tong Zhao , Neil Shah , Jiliang Tang

For multimodal skeleton-based action recognition, Graph Convolutional Networks (GCNs) are effective models. Still, their reliance on floating-point computations leads to high energy consumption, limiting their applicability in…

计算机视觉与模式识别 · 计算机科学 2025-10-31 Naichuan Zheng , Yuchen Du , Hailun Xia , Zeyu Liang

A plentitude of applications in scientific computing requires the approximation of mappings between Banach spaces. Recently introduced Fourier Neural Operator (FNO) and Deep Operator Network (DeepONet) can provide this functionality. For…

数值分析 · 数学 2024-04-02 V. Fanaskov , I. Oseledets

Graph representation learning has become a crucial task in machine learning and data mining due to its potential for modeling complex structures such as social networks, chemical compounds, and biological systems. Spiking neural networks…

人工智能 · 计算机科学 2024-03-27 Huifeng Yin , Mingkun Xu , Jing Pei , Lei Deng

By leveraging recent progress of stochastic gradient descent methods, several works have shown that graphs could be efficiently laid out through the optimization of a tailored objective function. In the meantime, Deep Learning (DL)…

机器学习 · 计算机科学 2021-08-11 Loann Giovannangeli , Frederic Lalanne , David Auber , Romain Giot , Romain Bourqui

Graph neural networks (GNN) has been successfully applied to operate on the graph-structured data. Given a specific scenario, rich human expertise and tremendous laborious trials are usually required to identify a suitable GNN architecture.…

机器学习 · 计算机科学 2019-09-11 Kaixiong Zhou , Qingquan Song , Xiao Huang , Xia Hu

Learning continuous-time dynamics on complex networks is crucial for understanding, predicting and controlling complex systems in science and engineering. However, this task is very challenging due to the combinatorial complexities in the…

社会与信息网络 · 计算机科学 2020-06-19 Chengxi Zang , Fei Wang

The Monte Carlo-type Neural Operator (MCNO) introduces a framework for learning solution operators of one-dimensional partial differential equations (PDEs) by directly learning the kernel function and approximating the associated integral…

机器学习 · 计算机科学 2025-12-04 Salah Eddine Choutri , Prajwal Chauhan , Othmane Mazhar , Saif Eddin Jabari

Graph Neural Networks (GNNs) have emerged as a notorious alternative to address learning problems dealing with non-Euclidean datasets. However, although most works assume that the graph is perfectly known, the observed topology is prone to…

机器学习 · 计算机科学 2023-12-12 Victor M. Tenorio , Samuel Rey , Antonio G. Marques