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Graph neural networks (GNNs) work remarkably well in semi-supervised node regression, yet a rigorous theory explaining when and why they succeed remains lacking. To address this gap, we study an aggregate-and-readout model that encompasses…

机器学习 · 统计学 2026-02-20 Juntong Chen , Claire Donnat , Olga Klopp , Johannes Schmidt-Hieber

Graph Neural Networks (GNNs) have gained popularity in numerous domains, yet they are vulnerable to backdoor attacks that can compromise their performance and ethical application. The detection of these attacks is crucial for maintaining…

机器学习 · 计算机科学 2026-05-12 Jane Downer , Ren Wang , Binghui Wang

A graph neural network (GNN) is a type of neural network that is specifically designed to process graph-structured data. Typically, GNNs can be implemented in two settings, including the transductive setting and the inductive setting. In…

密码学与安全 · 计算机科学 2024-05-10 Yixin Wu , Xinlei He , Pascal Berrang , Mathias Humbert , Michael Backes , Neil Zhenqiang Gong , Yang Zhang

Understanding the traffic dynamics in networks is a core capability for automated systems to monitor and analyze networking behaviors, reducing expensive human efforts and economic risks through tasks such as traffic classification,…

机器学习 · 计算机科学 2024-12-31 Jiawei Zhou , Woojeong Kim , Zhiying Xu , Alexander M. Rush , Minlan Yu

Wi-Fi networks are ubiquitous in both home and enterprise environments, serving as a primary medium for Internet access and forming the backbone of modern IoT ecosystems. However, their inherent vulnerabilities, combined with widespread…

密码学与安全 · 计算机科学 2025-10-15 Rayed Suhail Ahmad , Rehan Ahmad , Quamar Niyaz

Many real-world data comes in the form of graphs, such as social networks and protein structure. To fully utilize the information contained in graph data, a new family of machine learning (ML) models, namely graph neural networks (GNNs),…

密码学与安全 · 计算机科学 2021-02-11 Xinlei He , Rui Wen , Yixin Wu , Michael Backes , Yun Shen , Yang Zhang

Collecting large training datasets, annotated with high-quality labels, is costly and time-consuming. This paper proposes a novel framework for training deep convolutional neural networks from noisy labeled datasets that can be obtained…

机器学习 · 计算机科学 2017-11-06 Arash Vahdat

Graph Neural Networks (GNNs) have emerged as powerful tools for learning representations from structured data. Despite their growing popularity and success across various applications, GNNs encounter several challenges that limit their…

机器学习 · 计算机科学 2026-02-03 Yassine Abbahaddou

Graph pre-training strategies have been attracting a surge of attention in the graph mining community, due to their flexibility in parameterizing graph neural networks (GNNs) without any label information. The key idea lies in encoding…

机器学习 · 计算机科学 2022-08-23 Dawei Zhou , Lecheng Zheng , Dongqi Fu , Jiawei Han , Jingrui He

Identifying vulnerable code is a precautionary measure to counter software security breaches. Tedious expert effort has been spent to build static analyzers, yet insecure patterns are barely fully enumerated. This work explores a deep…

人工智能 · 计算机科学 2021-09-09 Yufan Zhuang , Sahil Suneja , Veronika Thost , Giacomo Domeniconi , Alessandro Morari , Jim Laredo

Self-supervised pre-training, based on the pretext task of instance discrimination, has fueled the recent advance in label-efficient object detection. However, existing studies focus on pre-training only a feature extractor network to learn…

计算机视觉与模式识别 · 计算机科学 2024-02-16 Nanqing Dong , Linus Ericsson , Yongxin Yang , Ales Leonardis , Steven McDonagh

Graph representation learning has emerged as a powerful technique for addressing real-world problems. Various downstream graph learning tasks have benefited from its recent developments, such as node classification, similarity search, and…

机器学习 · 计算机科学 2020-07-03 Jiezhong Qiu , Qibin Chen , Yuxiao Dong , Jing Zhang , Hongxia Yang , Ming Ding , Kuansan Wang , Jie Tang

Training deep networks with noisy labels leads to poor generalization and degraded accuracy due to overfitting to label noise. Existing approaches for learning with noisy labels often rely on the availability of a clean subset of data. By…

机器学习 · 计算机科学 2025-11-27 David Szczecina , Nicholas Pellegrino , Paul Fieguth

As more deep learning models are being applied in real-world applications, there is a growing need for modeling and learning the representations of neural networks themselves. An efficient representation can be used to predict target…

机器学习 · 计算机科学 2023-10-17 Yun Yi , Haokui Zhang , Rong Xiao , Nannan Wang , Xiaoyu Wang

Cloud networks increasingly rely on machine learning based Network Intrusion Detection Systems to defend against evolving cyber threats. However, real-world deployments are challenged by limited labeled data, non-stationary traffic, and…

机器学习 · 计算机科学 2026-04-15 Anasuya Chattopadhyay , Daniel Reti , Hans D. Schotten

Graph Neural Networks (GNNs) have demonstrated strong performance across tasks such as node classification, link prediction, and graph classification, but remain vulnerable to backdoor attacks that implant imperceptible triggers during…

机器学习 · 计算机科学 2025-12-16 Xiaobao Wang , Ruoxiao Sun , Yujun Zhang , Bingdao Feng , Dongxiao He , Luzhi Wang , Di Jin

Methods that learn representations of nodes in a graph play a critical role in network analysis since they enable many downstream learning tasks. We propose Graph2Gauss - an approach that can efficiently learn versatile node embeddings on…

机器学习 · 统计学 2019-04-02 Aleksandar Bojchevski , Stephan Günnemann

Federated learning enables collaborative training of machine learning models by keeping the raw data of the involved workers private. Three of its main objectives are to improve the models' privacy, security, and scalability. Vertical…

机器学习 · 计算机科学 2024-04-19 Marco Arazzi , Mauro Conti , Stefanos Koffas , Marina Krcek , Antonino Nocera , Stjepan Picek , Jing Xu

Graph neural networks based on message-passing mechanisms have achieved advanced results in graph classification tasks. However, their generalization performance degrades when noisy labels are present in the training data. Most existing…

机器学习 · 计算机科学 2024-06-12 De Li , Xianxian Li , Zeming Gan , Qiyu Li , Bin Qu , Jinyan Wang

With massive data being generated daily and the ever-increasing interconnectivity of the world's Internet infrastructures, a machine learning based intrusion detection system (IDS) has become a vital component to protect our economic and…

密码学与安全 · 计算机科学 2021-08-20 Zachary Tauscher , Yushan Jiang , Kai Zhang , Jian Wang , Houbing Song