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With the ubiquitous computing of providing services and applications at anywhere and anytime, cloud computing is the best option as it offers flexible and pay-per-use based services to its customers. Nevertheless, security and privacy are…

Cryptography and Security · Computer Science 2017-11-09 Nour Moustafa , Gideon Creech , Elena Sitnikova , Marwa Keshk

Broad spectrum of urban activities including mobility can be modeled as temporal networks evolving over time. Abrupt changes in urban dynamics caused by events such as disruption of civic operations, mass crowd gatherings, holidays and…

Physics and Society · Physics 2019-12-05 Mingyi He , Shivam Pathak , Urwa Muaz , Jingtian Zhou , Saloni Saini , Sergey Malinchik , Stanislav Sobolevsky

Emergence of new types of services has led to various traffic and diverse delay requirements in fifth generation (5G) wireless networks. Meeting diverse delay requirements is one of the most critical goals for the design of 5G wireless…

Information Theory · Computer Science 2017-03-27 Yi Zhong , Tony Q. S. Quek , Xiaohu Ge

The increasing popularity of web-based applications has led to several critical services being provided over the Internet. This has made it imperative to monitor the network traffic so as to prevent malicious attackers from depleting the…

Networking and Internet Architecture · Computer Science 2011-01-17 Jaydip Sen

Distributed denial of service (DDoS) attacks have caused huge economic losses to society. They have become one of the main threats to Internet security. Most of the current detection methods based on a single feature and fixed model…

Cryptography and Security · Computer Science 2019-05-21 Jieren Cheng , Chen Zhang , Xiangyan Tang , Victor S. Sheng , Zhe Dong , Junqi Li , Jing Chen

The diversity of fifth generation (5G) network use cases, multiple access technologies, and network deployments requires measures of network robustness that complement throughput-centric error rates. In this paper, we investigate robustness…

Networking and Internet Architecture · Computer Science 2021-10-12 Benjamin Pimentel , Alex Bordetsky , Ralucca Gera

The dynamics of temporal networks lie in the continuous interactions between nodes, which exhibit the dynamic node preferences with time elapsing. The challenges of mining temporal networks are thus two-fold: the dynamic structure of…

Information Retrieval · Computer Science 2021-11-24 Tongya Zheng , Zunlei Feng , Yu Wang , Chengchao Shen , Mingli Song , Xingen Wang , Xinyu Wang , Chun Chen , Hao Xu

Cloud systems are complex, large, and dynamic systems whose behavior must be continuously analyzed to timely detect misbehaviors and failures. Although there are solutions to flexibly monitor cloud systems, cost-effectively controlling the…

Software Engineering · Computer Science 2019-09-19 Marco Mobilio , Matteo Orrù , Oliviero Riganelli , Alessandro Tundo , Leonardo Mariani

Image transmission and processing systems in resource-critical applications face significant challenges from adversarial perturbations that compromise mission-specific object classification. Current robustness testing methods require…

Cryptography and Security · Computer Science 2026-01-22 Jinwei Hu , Shiyuan Meng , Yi Dong , Xiaowei Huang

Anomaly detection in spatiotemporal data is a challenging problem encountered in a variety of applications including hyperspectral imaging, video surveillance, and urban traffic monitoring. Existing anomaly detection methods are most suited…

Machine Learning · Computer Science 2020-10-27 Seyyid Emre Sofuoglu , Selin Aviyente

To address the problem that traditional network traffic anomaly detection algorithms do not suffi-ciently mine potential features in long time domain, an anomaly detection method based on mul-ti-scale residual features of network traffic is…

Networking and Internet Architecture · Computer Science 2022-05-10 Xueyuan Duan , Yu Fu , Kun Wang

Dynamic graph anomaly detection (DGAD) is essential for identifying anomalies in evolving graphs across domains such as finance, traffic, and social networks. Recently, generalist graph anomaly detection (GAD) models have shown promising…

Machine Learning · Computer Science 2025-08-04 Jialun Zheng , Jie Liu , Jiannong Cao , Xiao Wang , Hanchen Yang , Yankai Chen , Philip S. Yu

Anomaly detection in complex dynamical systems is essential for ensuring reliability, safety, and efficiency in industrial and cyber-physical infrastructures. Predictive maintenance helps prevent costly failures, while cybersecurity…

Machine Learning · Computer Science 2025-09-25 Michael Somma , Thomas Gallien , Branka Stojanovic

Serverless computing has redefined cloud application deployment by abstracting infrastructure and enabling on-demand, event-driven execution, thereby enhancing developer agility and scalability. However, maintaining consistent application…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-09-01 Chanh Nguyen , Erik Elmroth , Monowar Bhuyan

Effective network state classification is a primary task for ensuring network security and optimizing performance. Existing deep learning models have shown considerable progress in this area. Some methods excel at analyzing the complex…

Machine Learning · Computer Science 2025-09-16 Yuan Gao , Xuelong Wang , Zhenguo Dong , Yong Zhang

Advances in deep neural networks (DNN) greatly bolster real-time detection of anomalous IoT data. However, IoT devices can hardly afford complex DNN models, and offloading anomaly detection tasks to the cloud incurs long delay. In this…

Machine Learning · Computer Science 2020-04-16 Mao V. Ngo , Tie Luo , Hakima Chaouchi , Tony Q. S. Quek

Cybersecurity attacks in Cloud data centres are increasing alongside the growth of the Cloud services market. Existing research proposes a number of anomaly detection systems for detecting such attacks. However, these systems encounter a…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-11-13 Sakil Barbhuiya , Zafeirios Papazachos , Peter Kilpatrick , Dimitrios S. Nikolopoulos

Anomaly detection in continuous-time dynamic graphs is an emerging field yet under-explored in the context of learning algorithms. In this paper, we pioneer structured analyses of link-level anomalies and graph representation learning for…

Machine Learning · Computer Science 2024-10-01 Tim Poštuvan , Claas Grohnfeldt , Michele Russo , Giulio Lovisotto

The prompt estimation of traffic incident impacts can guide commuters in their trip planning and improve the resilience of transportation agencies' decision-making on resilience. However, it is more challenging than node-level and…

Machine Learning · Computer Science 2023-03-23 Yanshen Sun , Kaiqun Fu , Chang-Tien Lu

Distributed Denial of Service (DDoS) attack is a malicious attempt to disrupt the normal traffic of a targeted server, service or network by overwhelming the target or its surrounding infrastructure with a flood of Internet traffic.…

Cryptography and Security · Computer Science 2022-04-22 Aman Priyanshu , Sarthak Shastri , Sai Sravan Medicherla