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The rapid development and expansion of World Wide Web and network systems have changed the computing world in the last decade and also equipped the intruders and hackers with new facilities for their destructive purposes. The cost of…

密码学与安全 · 计算机科学 2014-02-24 Tanusree Chatterjee , Abhishek Bhattacharya

Deep neural networks (DNNs) have been found vulnerable to backdoor attacks, raising security concerns about their deployment in mission-critical applications. There are various approaches to detect backdoor attacks, however they all make…

机器学习 · 计算机科学 2024-04-09 Haoyu Jiang , Haiyang Yu , Nan Li , Ping Yi

Blockchain has widespread applications in the financial field but has also attracted increasing cybercrimes. Recently, phishing fraud has emerged as a major threat to blockchain security, calling for the development of effective regulatory…

社会与信息网络 · 计算机科学 2022-04-19 Panpan Li , Yunyi Xie , Xinyao Xu , Jiajun Zhou , Qi Xuan

Graph Neural Networks (GNNs) have achieved promising results in tasks such as node classification and graph classification. However, recent studies reveal that GNNs are vulnerable to backdoor attacks, posing a significant threat to their…

机器学习 · 计算机科学 2025-03-13 Zhiwei Zhang , Minhua Lin , Junjie Xu , Zongyu Wu , Enyan Dai , Suhang Wang

Recent progress on deep learning has made it possible to automatically transform the screenshot of Graphic User Interface (GUI) into code by using the encoder-decoder framework. While the commonly adopted image encoder (e.g., CNN network),…

机器学习 · 计算机科学 2018-10-30 Zhihao Zhu , Zhan Xue , Zejian Yuan

Ensuring the legal usage of deep models is crucial to promoting trustable, accountable, and responsible artificial intelligence innovation. Current passport-based methods that obfuscate model functionality for license-to-use and ownership…

密码学与安全 · 计算机科学 2024-04-04 Qi Cui , Ruohan Meng , Chaohui Xu , Chip-Hong Chang

Heterogeneous graph neural network (HGNN) is a very popular technique for the modeling and analysis of heterogeneous graphs. Most existing HGNN-based approaches are supervised or semi-supervised learning methods requiring graphs to be…

机器学习 · 计算机科学 2023-11-17 Cuiying Huo , Dongxiao He , Yawen Li , Di Jin , Jianwu Dang , Weixiong Zhang , Witold Pedrycz , Lingfei Wu

Heterogeneous graph neural networks (HGNNs) have emerged as powerful algorithms for processing heterogeneous graphs (HetGs), widely used in many critical fields. To capture both structural and semantic information in HetGs, HGNNs first…

硬件体系结构 · 计算机科学 2024-04-29 Runzhen Xue , Dengke Han , Mingyu Yan , Mo Zou , Xiaocheng Yang , Duo Wang , Wenming Li , Zhimin Tang , John Kim , Xiaochun Ye , Dongrui Fan

Person Re-Identification (re-id) is a challenging task in computer vision, especially when there are limited training data from multiple camera views. In this paper, we pro- pose a deep learning based person re-identification method by…

计算机视觉与模式识别 · 计算机科学 2016-11-21 Qiqi Xiao , Kelei Cao , Haonan Chen , Fangyue Peng , Chi Zhang

In the current context of accelerated globalization and digitalization, the complexity and uncertainty of financial markets are increasing, and the identification and prevention of economic risks have become a key link in maintaining the…

统计金融 · 定量金融 2024-11-20 Xin Zhang , Zhen Xu , Yue Liu , Mengfang Sun , Tong Zhou , Wenying Sun

Time series subsequence anomaly detection is an important task in a large variety of real-world applications ranging from health monitoring to AIOps, and is challenging due to the following reasons: 1) how to effectively learn complex…

机器学习 · 计算机科学 2024-11-27 Weiqi Chen , Zhiqiang Zhou , Qingsong Wen , Liang Sun

Recently, Graph Neural Networks (GNNs), including Homogeneous Graph Neural Networks (HomoGNNs) and Heterogeneous Graph Neural Networks (HeteGNNs), have made remarkable progress in many physical scenarios, especially in communication…

机器学习 · 计算机科学 2023-10-17 Renyang Liu , Wei Zhou , Jinhong Zhang , Xiaoyuan Liu , Peiyuan Si , Haoran Li

Detection of malicious behavior in a large network is a challenging problem for machine learning in computer security, since it requires a model with high expressive power and scalable inference. Existing solutions struggle to achieve this…

机器学习 · 计算机科学 2024-08-08 Simon Mandlik , Tomas Pevny , Vaclav Smidl , Lukas Bajer

Machine learning models that can exploit the inherent structure in data have gained prominence. In particular, there is a surge in deep learning solutions for graph-structured data, due to its wide-spread applicability in several fields.…

机器学习 · 计算机科学 2020-02-12 Uday Shankar Shanthamallu , Jayaraman J. Thiagarajan , Andreas Spanias

Graph neural networks (GNNs) have emerged as the state of the art for a variety of graph-related tasks and have been widely used in Heterogeneous Graphs (HetGs), where meta-paths help encode specific semantics between various node types.…

机器学习 · 计算机科学 2025-02-25 Xuqi Mao , Zhenying He , X. Sean Wang

Graph neural networks (GNNs) have attracted increasing attention due to their superior performance in deep learning on graph-structured data. GNNs have succeeded across various domains such as social networks, chemistry, and electronic…

密码学与安全 · 计算机科学 2022-08-19 Lilas Alrahis , Satwik Patnaik , Muhammad Shafique , Ozgur Sinanoglu

Graph Neural Networks (GNNs) excel at relational reasoning but face two persistent challenges: the lack of interpretable attribution for heterogeneous node types, and the computational overhead of message passing over large, noisy graphs.…

机器学习 · 计算机科学 2026-05-12 Seungwoo Kum

Heterogeneous Graph Neural Networks (HGNNs) are increasingly recognized for their performance in areas like the web and e-commerce, where resilience against adversarial attacks is crucial. However, existing adversarial attack methods, which…

机器学习 · 计算机科学 2024-01-19 He Zhao , Zhiwei Zeng , Yongwei Wang , Deheng Ye , Chunyan Miao

Intrusion detection into computer networks has become one of the most important issues in cybersecurity. Attackers keep on researching and coding to discover new vulnerabilities to penetrate information security system. In consequence…

密码学与安全 · 计算机科学 2020-12-17 Sergio Hidalgo-Espinoza , Kevin Chamorro-Cupueran , Oscar Chang-Tortolero

In processing and manufacturing industries, there has been a large push to produce higher quality products and ensure maximum efficiency of processes. This requires approaches to effectively detect and resolve disturbances to ensure optimal…

机器学习 · 统计学 2021-02-05 Weike Sun , Antonio R. C. Paiva , Peng Xu , Anantha Sundaram , Richard D. Braatz