Semi-supervised log-based anomaly detection via probabilistic label estimation

L Yang, J Chen, Z Wang, W Wang… - 2021 IEEE/ACM …, 2021 - ieeexplore.ieee.org
With the growth of software systems, logs have become an important data to aid system
maintenance. Log-based anomaly detection is one of the most important methods for such …

Dist-pu: Positive-unlabeled learning from a label distribution perspective

Y Zhao, Q Xu, Y Jiang, P Wen… - Proceedings of the …, 2022 - openaccess.thecvf.com
Positive-Unlabeled (PU) learning tries to learn binary classifiers from a few labeled positive
examples with many unlabeled ones. Compared with ordinary semi-supervised learning …

Rosas: Deep semi-supervised anomaly detection with contamination-resilient continuous supervision

H Xu, Y Wang, G Pang, S Jian, N Liu, Y Wang - Information Processing & …, 2023 - Elsevier
Semi-supervised anomaly detection methods leverage a few anomaly examples to yield
drastically improved performance compared to unsupervised models. However, they still …

Evaluating the predictive performance of positive-unlabelled classifiers: a brief critical review and practical recommendations for improvement

JD Saunders, AA Freitas - ACM SIGKDD Explorations Newsletter, 2022 - dl.acm.org
Positive-Unlabelled (PU) learning is a growing area of machine learning that aims to learn
classifiers from data consisting of labelled positive and unlabelled instances. Whilst much …

Positive-unlabeled learning with label distribution alignment

Y Jiang, Q Xu, Y Zhao, Z Yang, P Wen… - … on Pattern Analysis …, 2023 - ieeexplore.ieee.org
Positive-Unlabeled (PU) data arise frequently in a wide range of fields such as medical
diagnosis, anomaly analysis and personalized advertising. The absence of any known …

Black-box adversarial attacks on XSS attack detection model

Q Wang, H Yang, G Wu, KKR Choo, Z Zhang… - Computers & …, 2022 - Elsevier
Cross-site scripting (XSS) has been extensively studied, although mitigating such attacks in
web applications remains challenging. While there is an increasing number of XSS attack …

Instance-dependent pu learning by bayesian optimal relabeling

F He, T Liu, GI Webb, D Tao - arXiv preprint arXiv:1808.02180, 2018 - arxiv.org
When learning from positive and unlabelled data, it is a strong assumption that the positive
observations are randomly sampled from the distribution of $ X $ conditional on $ Y= 1 …

Data-driven edge intelligence for robust network anomaly detection

S Xu, Y Qian, RQ Hu - IEEE Transactions on Network Science …, 2019 - ieeexplore.ieee.org
The advancement of networking platforms for assured online services requires robust and
effective network intelligence systems against anomalous events and malicious threats. With …

PUMAD: PU metric learning for anomaly detection

H Ju, D Lee, J Hwang, J Namkung, H Yu - Information Sciences, 2020 - Elsevier
Anomaly detection task, which identifies abnormal patterns in data, has been widely applied
to various domains. Most recent work on anomaly detection have focused on an accurate …

Learning from positive and unlabeled data with arbitrary positive shift

Z Hammoudeh, D Lowd - Advances in Neural Information …, 2020 - proceedings.neurips.cc
Positive-unlabeled (PU) learning trains a binary classifier using only positive and unlabeled
data. A common simplifying assumption is that the positive data is representative of the …