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Logistic regression is by far the most widely used classifier in real-world applications. In this paper, we benchmark the state-of-the-art active learning methods for logistic regression and discuss and illustrate their underlying…

机器学习 · 统计学 2018-07-04 Yazhou Yang , Marco Loog

Advanced Persistent Threats (APTs) present a considerable challenge to cybersecurity due to their stealthy, long-duration nature. Traditional supervised learning methods typically require large amounts of labeled data, which is often scarce…

密码学与安全 · 计算机科学 2025-09-08 Sidahmed Benabderrahmane , Talal Rahwan

Video Anomaly Detection (VAD) can play a key role in spotting unusual activities in video footage. VAD is difficult to use in real-world settings due to the dynamic nature of human actions, environmental variations, and domain shifts.…

计算机视觉与模式识别 · 计算机科学 2025-08-13 Shanle Yao , Ghazal Alinezhad Noghre , Armin Danesh Pazho , Hamed Tabkhi

Log data anomaly detection is a core component in the area of artificial intelligence for IT operations. However, the large amount of existing methods makes it hard to choose the right approach for a specific system. A better understanding…

数据库 · 计算机科学 2021-11-29 Thorsten Wittkopp , Philipp Wiesner , Dominik Scheinert , Odej Kao

The task of action-driven human motion prediction aims to forecast future human motion based on the observed sequence while respecting the given action label. It requires modeling not only the stochasticity within human motion but the…

计算机视觉与模式识别 · 计算机科学 2024-02-07 Chunzhi Gu , Chao Zhang , Shigeru Kuriyama

Logging, the practice of inserting log statements into source code, is critical for improving software reliability. Recently, language model-based techniques have been developed to automate log statement generation based on input code.…

软件工程 · 计算机科学 2025-04-03 Boyin Tan , Junjielong Xu , Zhouruixing Zhu , Pinjia He

Active learning is a learning strategy whereby the machine learning algorithm actively identifies and labels data points to optimize its learning. This strategy is particularly effective in domains where an abundance of unlabeled data…

机器学习 · 计算机科学 2024-03-05 Zan-Kai Chong , Hiroyuki Ohsaki , Bryan Ng

Automated log analysis is crucial in modern software-intensive systems for facilitating program comprehension throughout software maintenance and engineering life cycles. Existing methods perform tasks such as log parsing and log anomaly…

软件工程 · 计算机科学 2024-01-29 Yilun Liu , Shimin Tao , Weibin Meng , Jingyu Wang , Wenbing Ma , Yanqing Zhao , Yuhang Chen , Hao Yang , Yanfei Jiang , Xun Chen

Anomaly detection is concerned with identifying data patterns that deviate remarkably from the expected behaviour. This is an important research problem, due to its broad set of application domains, from data analysis to e-health,…

机器学习 · 计算机科学 2021-08-23 L. Erhan , M. Ndubuaku , M. Di Mauro , W. Song , M. Chen , G. Fortino , O. Bagdasar , A. Liotta

The goal of anomaly detection is to identify anomalous samples from normal ones. In this paper, a small number of anomalies are assumed to be available at the training stage, but they are assumed to be collected only from several anomaly…

机器学习 · 计算机科学 2022-05-03 Bowen Tian , Qinliang Su , Jian Yin

Cross-domain graph anomaly detection (CD-GAD) describes the problem of detecting anomalous nodes in an unlabelled target graph using auxiliary, related source graphs with labelled anomalous and normal nodes. Although it presents a promising…

机器学习 · 计算机科学 2022-12-05 Qizhou Wang , Guansong Pang , Mahsa Salehi , Wray Buntine , Christopher Leckie

Dynamic graph anomaly detection (DGAD) is critical for many real-world applications but remains challenging due to the scarcity of labeled anomalies. Existing methods are either unsupervised or semi-supervised: unsupervised methods avoid…

机器学习 · 计算机科学 2026-02-24 Yuxing Tian , Yiyan Qi , Fengran Mo , Weixu Zhang , Jian Guo , Jian-Yun Nie

In many real-world AD applications including computer security and fraud prevention, the anomaly detector must be configurable by the human analyst to minimize the effort on false positives. One important way to configure the detector is by…

机器学习 · 计算机科学 2024-05-15 Shubhomoy Das , Md Rakibul Islam , Nitthilan Kannappan Jayakodi , Janardhan Rao Doppa

Anomaly Detection is an important problem within computer vision, having variety of real-life applications. Yet, the current set of solutions to this problem entail known, systematic shortcomings. Specifically, contemporary surface Anomaly…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Riya Sadrani , Hrishikesh Sharma , Ayush Bachan

Students interactions while solving problems in learning environments (i.e. log data) are often used to support students learning. For example, researchers use log data to develop systems that can provide students with personalized problem…

计算机与社会 · 计算机科学 2024-07-26 Alex Hicks , Yang Shi , Arun-Balajiee Lekshmi-Narayanan , Wei Yan , Samiha Marwan

Active learning aims to select samples to be annotated that yield the largest performance improvement for the learning algorithm. Many methods approach this problem by measuring the informativeness of samples and do this based on the…

机器学习 · 计算机科学 2021-08-02 Javad Zolfaghari Bengar , Bogdan Raducanu , Joost van de Weijer

Time series anomaly detection is a challenging task with a wide range of real-world applications. Due to label sparsity, training a deep anomaly detector often relies on unsupervised approaches. Recent efforts have been devoted to time…

机器学习 · 计算机科学 2023-04-18 Kwei-Herng Lai , Lan Wang , Huiyuan Chen , Kaixiong Zhou , Fei Wang , Hao Yang , Xia Hu

Domain adaptation is transfer learning which aims to generalize a learning model across training and testing data with different distributions. Most previous research tackle this problem in seeking a shared feature representation between…

机器学习 · 计算机科学 2017-04-17 Lingkun Luo , Xiaofang Wang , Shiqiang Hu , Chao Wang , Yuxing Tang , Liming Chen

Domain adaptive active learning is leading the charge in label-efficient training of neural networks. For semantic segmentation, state-of-the-art models jointly use two criteria of uncertainty and diversity to select training labels,…

计算机视觉与模式识别 · 计算机科学 2023-11-27 Marc Schachtsiek , Simone Rossi , Thomas Hannagan

Regression is a fundamental prediction task common in data-centric engineering applications that involves learning mappings between continuous variables. In many engineering applications (e.g.\ structural health monitoring), feature-label…