A survey on explainable anomaly detection

Z Li, Y Zhu, M Van Leeuwen - ACM Transactions on Knowledge …, 2023 - dl.acm.org
In the past two decades, most research on anomaly detection has focused on improving the
accuracy of the detection, while largely ignoring the explainability of the corresponding …

{Jump-Starting} multivariate time series anomaly detection for online service systems

M Ma, S Zhang, J Chen, J Xu, H Li, Y Lin… - 2021 USENIX Annual …, 2021 - usenix.org
With the booming of online service systems, anomaly detection on multivariate time series,
such as a combination of CPU utilization, average response time, and requests per second …

Efficient kpi anomaly detection through transfer learning for large-scale web services

S Zhang, Z Zhong, D Li, Q Fan, Y Sun… - IEEE Journal on …, 2022 - ieeexplore.ieee.org
Timely anomaly detection of key performance indicators (KPIs), eg, service response time,
error rate, is of utmost importance to Web services. Over the years, many unsupervised deep …

Consistent anomaly detection and localization of multivariate time series via cross-correlation graph-based encoder–decoder GAN

H Liang, L Song, J Du, X Li… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Multivariate time series is widely derived from industrial facilities, such as power plants,
manufacturing machines, spacecraft, digital devices, and so on, and anomaly detection and …

Unsupervised online anomaly detection with parameter adaptation for KPI abrupt changes

G Yu, Z Cai, S Wang, H Chen, F Liu… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
IT companies need to monitor various Key Performance Indicators (KPIs) and detect
anomalies in real time to ensure the quality and reliability of Internet-based services …

Identification of urban functional regions in chengdu based on taxi trajectory time series data

X Liu, Y Tian, X Zhang, Z Wan - ISPRS International Journal of Geo …, 2020 - mdpi.com
Overall scientific planning of urbanization layout is an important component of the new
period of land spatial planning policies. Defining the main functions of different spaces and …

Identifying erroneous software changes through self-supervised contrastive learning on time series data

X Wang, K Yin, Q Ouyang, X Wen… - 2022 IEEE 33rd …, 2022 - ieeexplore.ieee.org
Software changes are frequent and inevitable. How-ever, erroneous software changes may
cause failures and incidents, degrading user experience and system stability. Thus, it is …

Label-free multivariate time series anomaly detection

Q Zhou, S He, H Liu, J Chen… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Anomaly detection in multivariate time series has been widely studied in one-class
classification (OCC) setting. The training samples in this setting are assumed to be normal …

Graph embedding-based Anomaly localization for HVAC system

Y Gu, G Li, J Gu, JJ Jung - Journal of Building Engineering, 2023 - Elsevier
As a major energy consumption system in buildings, anomaly detection on multivariate time
series monitored by sensors in HVAC systems has been a significant challenge. However …

A Review of Approaches for Rapid Data Clustering: Challenges, Opportunities and Future Directions

I Shafi, M Chaudhry, EC Montero, ES Alvarado… - IEEE …, 2024 - ieeexplore.ieee.org
For organizing and analyzing massive amounts of data and revealing hidden patterns and
structures, clustering is a crucial approach. This paper examines unique strategies for rapid …