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相关论文: Few-shot Weakly-supervised Cybersecurity Anomaly D…

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We introduce a few-shot learning framework for error detection. We show that data augmentation (a form of weak supervision) is key to training high-quality, ML-based error detection models that require minimal human involvement. Our…

数据库 · 计算机科学 2019-04-05 Alireza Heidari , Joshua McGrath , Ihab F. Ilyas , Theodoros Rekatsinas

Self-supervised learning (SSL) is an emerging paradigm that exploits supervisory signals generated from the data itself, and many recent studies have leveraged SSL to conduct graph anomaly detection. However, we empirically found that three…

机器学习 · 计算机科学 2025-07-01 Zhong Li , Yuhang Wang , Matthijs van Leeuwen

Humans are capable of learning new concepts from small numbers of examples. In contrast, supervised deep learning models usually lack the ability to extract reliable predictive rules from limited data scenarios when attempting to classify…

机器学习 · 计算机科学 2020-07-17 Zhongjie Yu , Sebastian Raschka

Anomaly detection is an important problem in many application areas, such as network security. Many deep learning methods for unsupervised anomaly detection produce good empirical performance but lack theoretical guarantees. By casting…

机器学习 · 统计学 2024-09-16 Tian-Yi Zhou , Matthew Lau , Jizhou Chen , Wenke Lee , Xiaoming Huo

While deep learning excels in computer vision tasks with abundant labeled data, its performance diminishes significantly in scenarios with limited labeled samples. To address this, Few-shot learning (FSL) enables models to perform the…

计算机视觉与模式识别 · 计算机科学 2025-02-19 Huali Xu , Shuaifeng Zhi , Shuzhou Sun , Vishal M. Patel , Li Liu

Most existing anomaly detection (AD) methods require a dedicated model for each category. Such a paradigm, despite its promising results, is computationally expensive and inefficient, thereby failing to meet the requirements for realworld…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Chaoqin Huang , Haoyan Guan , Aofan Jiang , Ya Zhang , Michael Spratling , Xinchao Wang , Yanfeng Wang

Detecting cyberattacks using Graph Neural Networks (GNNs) has seen promising results recently. Most of the state-of-the-art models that leverage these techniques require labeled examples, hard to obtain in many real-world scenarios. To…

机器学习 · 计算机科学 2025-01-29 Tristan Bilot , Nour El Madhoun , Khaldoun Al Agha , Anis Zouaoui

Radar systems are mainly used for tracking aircraft, missiles, satellites, and watercraft. In many cases, information regarding the objects detected by the radar system is sent to, and used by, a peripheral consuming system, such as a…

密码学与安全 · 计算机科学 2021-06-15 Shai Cohen , Efrat Levy , Avi Shaked , Tair Cohen , Yuval Elovici , Asaf Shabtai

The widespread usage of the Internet of Things (IoT) has raised the risks of cyber threats, thus developing Anomaly Detection Systems (ADSs) that can adapt to evolving or new attacks is critical. Previous studies primarily focused on…

机器学习 · 计算机科学 2025-07-03 Yachao Yuan , Yu Huang , Jin Wang

In medical applications, weakly supervised anomaly detection methods are of great interest, as only image-level annotations are required for training. Current anomaly detection methods mainly rely on generative adversarial networks or…

图像与视频处理 · 电气工程与系统科学 2022-10-06 Julia Wolleb , Florentin Bieder , Robin Sandkühler , Philippe C. Cattin

Selecting informative data points for expert feedback can significantly improve the performance of anomaly detection (AD) in various contexts, such as medical diagnostics or fraud detection. In this paper, we determine a set of theoretical…

机器学习 · 计算机科学 2023-07-06 Aodong Li , Chen Qiu , Marius Kloft , Padhraic Smyth , Stephan Mandt , Maja Rudolph

Few-shot dense retrieval (DR) aims to effectively generalize to novel search scenarios by learning a few samples. Despite its importance, there is little study on specialized datasets and standardized evaluation protocols. As a result,…

计算与语言 · 计算机科学 2023-04-13 Si Sun , Yida Lu , Shi Yu , Xiangyang Li , Zhonghua Li , Zhao Cao , Zhiyuan Liu , Deiming Ye , Jie Bao

Cybersecurity has recently gained considerable interest in today's security issues because of the popularity of the Internet-of-Things (IoT), the considerable growth of mobile networks, and many related apps. Therefore, detecting numerous…

The increasing connectivity of data and cyber-physical systems has resulted in a growing number of cyber-attacks. Real-time detection of such attacks, through the identification of anomalous activity, is required so that mitigation and…

机器学习 · 统计学 2021-04-23 Raisa Dzhamtyrova , Carsten Maple

Anomaly detection based on 3D point cloud data is an important research problem and receives more and more attention recently. Untrained anomaly detection based on only one sample is an emerging research problem motivated by real…

机器学习 · 计算机科学 2025-07-29 Juan Du , Dongheng Chen

Although deep learning has been applied to successfully address many data mining problems, relatively limited work has been done on deep learning for anomaly detection. Existing deep anomaly detection methods, which focus on learning new…

机器学习 · 计算机科学 2019-11-21 Guansong Pang , Chunhua Shen , Anton van den Hengel

Event detection tasks can enable the quick detection of events from texts and provide powerful support for downstream natural language processing tasks. Most such methods can only detect a fixed set of predefined event classes. To extend…

计算与语言 · 计算机科学 2023-05-05 Hao Wang , Hanwen Shi , Jianyong Duan

With the widespread adoption of cloud services, especially the extensive deployment of plenty of Web applications, it is important and challenging to detect anomalies from the packet payload. For example, the anomalies in the packet payload…

信号处理 · 电气工程与系统科学 2021-05-20 Jiaxin Liu , Xucheng Song , Yingjie Zhou , Xi Peng , Yanru Zhang , Pei Liu , Dapeng Wu

Healthcare fraud detection remains a critical challenge due to limited availability of labeled data, constantly evolving fraud tactics, and the high dimensionality of medical records. Traditional supervised methods are challenged by extreme…

This paper considers the real-time detection of anomalies in high-dimensional systems. The goal is to detect anomalies quickly and accurately so that the appropriate countermeasures could be taken in time, before the system possibly gets…

机器学习 · 计算机科学 2020-07-16 Mahsa Mozaffari , Yasin Yilmaz