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Although graph neural networks (GNNs) have made great progress recently on learning from graph-structured data in practice, their theoretical guarantee on generalizability remains elusive in the literature. In this paper, we provide a…

机器学习 · 计算机科学 2020-06-26 Shuai Zhang , Meng Wang , Sijia Liu , Pin-Yu Chen , Jinjun Xiong

Graph neural networks (GNNs) have been applied to a large variety of applications in materials science and chemistry. Here, we recapitulate the graph construction for crystalline (periodic) materials and investigate its impact on the GNNs…

机器学习 · 计算机科学 2023-08-10 Robin Ruff , Patrick Reiser , Jan Stühmer , Pascal Friederich

Graph Neural Networks (GNNs) are widely applied for graph anomaly detection. As one of the key components for GNN design is to select a tailored spectral filter, we take the first step towards analyzing anomalies via the lens of the graph…

机器学习 · 计算机科学 2022-06-01 Jianheng Tang , Jiajin Li , Ziqi Gao , Jia Li

While Graph Neural Networks (GNNs) excel on graph-structured data, their performance is fundamentally limited by the quality of the observed graph, which often contains noise, missing links, or structural properties misaligned with GNNs'…

机器学习 · 计算机科学 2026-01-14 Hao Deng , Bo Liu

Graph Neural Networks (GNNs) require a relatively large number of labeled nodes and a reliable/uncorrupted graph connectivity structure in order to obtain good performance on the semi-supervised node classification task. The performance of…

机器学习 · 计算机科学 2021-07-01 Abdullah Alchihabi , Yuhong Guo

Graph Neural Networks (GNNs) have been extensively used for mining graph-structured data with impressive performance. However, because these traditional GNNs do not distinguish among various downstream tasks, embeddings embedded by them are…

机器学习 · 计算机科学 2024-09-20 Jianpeng Chen , Yujing Wang , Ming Zeng , Zongyi Xiang , Bitan Hou , Yunhai Tong , Ole J. Mengshoel , Yazhou Ren

This paper investigates Graph Neural Networks (GNNs) application for self-supervised network intrusion and anomaly detection. GNNs are a deep learning approach for graph-based data that incorporate graph structures into learning to…

机器学习 · 计算机科学 2023-02-10 Evan Caville , Wai Weng Lo , Siamak Layeghy , Marius Portmann

With the rapid growth of graph-structured data in critical domains, unsupervised graph-level anomaly detection (UGAD) has become a pivotal task. UGAD seeks to identify entire graphs that deviate from normal behavioral patterns. However,…

机器学习 · 计算机科学 2025-11-07 Qingfeng Chen , Haojin Zeng , Jingyi Jie , Shichao Zhang , Debo Cheng

Presently with technology node scaling, an accurate prediction model at early design stages can significantly reduce the design cycle. Especially during logic synthesis, predicting cell congestion due to improper logic combination can…

机器学习 · 计算机科学 2021-11-12 Amur Ghose , Vincent Zhang , Yingxue Zhang , Dong Li , Wulong Liu , Mark Coates

In the realm of collaborative filtering recommendation systems, Graph Neural Networks (GNNs) have demonstrated remarkable performance but face significant challenges in deployment on resource-constrained edge devices due to their high…

信息检索 · 计算机科学 2025-08-25 Lin Li , Chunyang Li , Yu Yin , Xiaohui Tao , Jianwei Zhang

The graph-based model can help to detect suspicious fraud online. Owing to the development of Graph Neural Networks~(GNNs), prior research work has proposed many GNN-based fraud detection frameworks based on either homogeneous graphs or…

社会与信息网络 · 计算机科学 2020-07-03 Zhiwei Liu , Yingtong Dou , Philip S. Yu , Yutong Deng , Hao Peng

Anomaly detection is a critical challenge across various research domains, aiming to identify instances that deviate from normal data distributions. This paper explores the application of Generative Adversarial Networks (GANs) in fraud…

机器学习 · 计算机科学 2024-02-16 Mengran Zhu , Yulu Gong , Yafei Xiang , Hanyi Yu , Shuning Huo

Graph Neural Networks (graph NNs) are a promising deep learning approach for analyzing graph-structured data. However, it is known that they do not improve (or sometimes worsen) their predictive performance as we pile up many layers and add…

机器学习 · 计算机科学 2021-01-07 Kenta Oono , Taiji Suzuki

Graph Neural Networks (GNNs) have emerged as the de facto standard for modeling graph data, with attention mechanisms and transformers significantly enhancing their performance on graph-based tasks. Despite these advancements, the…

机器学习 · 计算机科学 2025-04-07 Nikhil Shivakumar Nayak

Graph Neural Networks (GNNs) have become an effective tool for malware detection by capturing program execution through graph-structured representations. However, important challenges remain regarding scalability, interpretability, and the…

密码学与安全 · 计算机科学 2025-11-27 Hossein Shokouhinejad , Griffin Higgins , Roozbeh Razavi-Far , Ali A. Ghorbani

Graph Neural Networks (GNNs) have emerged as powerful models for anomaly detection in sensor networks, particularly when analyzing multivariate time series. In this work, we introduce BETA, a novel grey-box evasion attack targeting such…

机器学习 · 计算机科学 2025-09-23 Sanju Xaviar , Omid Ardakanian

Graph anomaly detection (GAD) is crucial in applications like fraud detection and cybersecurity. Despite recent advancements using graph neural networks (GNNs), two major challenges persist. At the model level, most methods adopt a…

机器学习 · 计算机科学 2026-02-06 Chunyu Wei , Siyuan He , Yu Wang , Yueguo Chen , Yunhai Wang , Bing Bai , Yidong Zhang , Yong Xie , Shunming Zhang , Fei Wang

Over the past few years, graph neural networks (GNN) and label propagation-based methods have made significant progress in addressing node classification tasks on graphs. However, in addition to their reliance on elaborate architectures and…

机器学习 · 计算机科学 2021-10-18 Yangkun Wang , Jiarui Jin , Weinan Zhang , Yong Yu , Zheng Zhang , David Wipf

Graph Neural Networks (GNNs) have made significant advances on several fundamental inference tasks. As a result, there is a surge of interest in using these models for making potentially important decisions in high-regret applications.…

机器学习 · 计算机科学 2020-02-26 Kaidi Xu , Sijia Liu , Pin-Yu Chen , Mengshu Sun , Caiwen Ding , Bhavya Kailkhura , Xue Lin

This paper explores the utilization of Temporal Graph Networks (TGN) for financial anomaly detection, a pressing need in the era of fintech and digitized financial transactions. We present a comprehensive framework that leverages TGN,…

统计金融 · 定量金融 2024-04-02 Yejin Kim , Youngbin Lee , Minyoung Choe , Sungju Oh , Yongjae Lee