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Graph neural networks (GNNs) have become increasingly popular in modeling graph-structured data due to their ability to learn node representations by aggregating local structure information. However, it is widely acknowledged that the test…

机器学习 · 计算机科学 2024-03-07 Donglin Xia , Xiao Wang , Nian Liu , Chuan Shi

Graph Neural Network (GNN) has demonstrated extraordinary performance in classifying graph properties. However, due to the selection bias of training and testing data (e.g., training on small graphs and testing on large graphs, or training…

机器学习 · 计算机科学 2023-08-17 Bin Lu , Xiaoying Gan , Ze Zhao , Shiyu Liang , Luoyi Fu , Xinbing Wang , Chenghu 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

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…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Shih-Yuan Yu , Arnav V. Malawade , Deepan Muthirayan , Pramod P. Khargonekar , Mohammad A. Al Faruque

In recent years, deep neural networks have been extensively employed in perceptual systems to learn representations endowed with invariances, aiming to emulate the invariance mechanisms observed in the human brain. However, studies in the…

机器学习 · 计算机科学 2025-10-21 Wei Xu , Xiaoyi Jiang , Lixiang Xu , Dechao Tang

Graphs arise naturally in many real-world applications including social networks, recommender systems, ontologies, biology, and computational finance. Traditionally, machine learning models for graphs have been mostly designed for static…

机器学习 · 计算机科学 2020-04-28 Seyed Mehran Kazemi , Rishab Goel , Kshitij Jain , Ivan Kobyzev , Akshay Sethi , Peter Forsyth , Pascal Poupart

Implicit graph neural networks have gained popularity in recent years as they capture long-range dependencies while improving predictive performance in static graphs. Despite the tussle between performance degradation due to the…

机器学习 · 计算机科学 2024-06-27 Yongjian Zhong , Hieu Vu , Tianbao Yang , Bijaya Adhikari

Learning distributions of graphs can be used for automatic drug discovery, molecular design, complex network analysis, and much more. We present an improved framework for learning generative models of graphs based on the idea of deep state…

机器学习 · 计算机科学 2021-12-07 Julian Stier , Michael Granitzer

Federated learning (FL) is a promising machine learning paradigm that collaborates with client models to capture global knowledge. However, deploying FL models in real-world scenarios remains unreliable due to the coexistence of…

机器学习 · 计算机科学 2024-10-24 Xinting Liao , Weiming Liu , Pengyang Zhou , Fengyuan Yu , Jiahe Xu , Jun Wang , Wenjie Wang , Chaochao Chen , Xiaolin Zheng

Convolutional Neural Networks are a well-known staple of modern image classification. However, it can be difficult to assess the quality and robustness of such models. Deep models are known to perform well on a given training and estimation…

机器学习 · 统计学 2018-02-06 Alexey Chaplygin , Joshua Chacksfield

Despite achieving excellent performance on benchmarks, deep neural networks often underperform in real-world deployment due to sensitivity to minor, often imperceptible shifts in input data, known as distributional shifts. These shifts are…

机器学习 · 计算机科学 2025-09-25 Birk Torpmann-Hagen , Pål Halvorsen , Michael A. Riegler , Dag Johansen

Incorporating graphs in the analysis of multivariate signals is becoming a standard way to understand the interdependency of activity recorded at different sites. The new research frontier in this direction includes the important problem of…

社会与信息网络 · 计算机科学 2018-12-11 Keith Smith , Loukianos Spyrou , Javier Escudero

Despite the widespread use of deep learning methods for semantic segmentation of images that are acquired from a single source, clinicians often use multi-domain data for a detailed analysis. For instance, CT and MRI have advantages over…

图像与视频处理 · 电气工程与系统科学 2020-06-09 Bora Baydar , Savas Ozkan , A. Emre Kavur , N. Sinem Gezer , M. Alper Selver , Gozde Bozdagi Akar

Neural networks make accurate predictions but often fail to provide reliable uncertainty estimates, especially under covariate distribution shifts between training and testing. To address this problem, we propose a Bayesian framework for…

机器学习 · 统计学 2025-12-22 Yuli Slavutsky , David M. Blei

Graph neural networks (GNNs) have found widespread application in modeling graph data across diverse domains. While GNNs excel in scenarios where the testing data shares the distribution of their training counterparts (in distribution, ID),…

机器学习 · 计算机科学 2024-01-15 Luzhi Wang , Dongxiao He , He Zhang , Yixin Liu , Wenjie Wang , Shirui Pan , Di Jin , Tat-Seng Chua

Knowledge transfer among multiple networks using their outputs or intermediate activations have evolved through extensive manual design from a simple teacher-student approach (knowledge distillation) to a bidirectional cohort one (deep…

计算机视觉与模式识别 · 计算机科学 2019-12-18 Soma Minami , Tsubasa Hirakawa , Takayoshi Yamashita , Hironobu Fujiyoshi

A powerful framework for studying graphs is to consider them as geometric graphs: nodes are randomly sampled from an underlying metric space, and any pair of nodes is connected if their distance is less than a specified neighborhood radius.…

机器学习 · 计算机科学 2022-11-28 Raffaele Paolino , Aleksandar Bojchevski , Stephan Günnemann , Gitta Kutyniok , Ron Levie

Can neural networks learn to compare graphs without feature engineering? In this paper, we show that it is possible to learn representations for graph similarity with neither domain knowledge nor supervision (i.e.\ feature engineering or…

机器学习 · 计算机科学 2019-04-23 Rami Al-Rfou , Dustin Zelle , Bryan Perozzi

Domain adaptation (DA) tries to tackle the scenarios when the test data does not fully follow the same distribution of the training data, and multi-source domain adaptation (MSDA) is very attractive for real world applications. By learning…

机器学习 · 计算机科学 2024-01-17 Jin Yuan , Feng Hou , Yangzhou Du , Zhongchao Shi , Xin Geng , Jianping Fan , Yong Rui

Estimating the structure of Bayesian networks as directed acyclic graphs (DAGs) from observational data is a fundamental challenge, particularly in causal discovery. Bayesian approaches excel by quantifying uncertainty and addressing…

机器学习 · 计算机科学 2026-02-17 Edwin V. Bonilla , Pantelis Elinas , He Zhao , Maurizio Filippone , Vassili Kitsios , Terry O'Kane
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