Self-supervised learning for time series analysis: Taxonomy, progress, and prospects

K Zhang, Q Wen, C Zhang, R Cai, M Jin… - … on Pattern Analysis …, 2024 - ieeexplore.ieee.org
Self-supervised learning (SSL) has recently achieved impressive performance on various
time series tasks. The most prominent advantage of SSL is that it reduces the dependence …

Xpert: Empowering incident management with query recommendations via large language models

Y Jiang, C Zhang, S He, Z Yang, M Ma, S Qin… - Proceedings of the …, 2024 - dl.acm.org
Large-scale cloud systems play a pivotal role in modern IT infrastructure. However, incidents
occurring within these systems can lead to service disruptions and adversely affect user …

Ufo: A ui-focused agent for windows os interaction

C Zhang, L Li, S He, X Zhang, B Qiao, S Qin… - arXiv preprint arXiv …, 2024 - arxiv.org
We introduce UFO, an innovative UI-Focused agent to fulfill user requests tailored to
applications on Windows OS, harnessing the capabilities of GPT-Vision. UFO employs a …

TraceDiag: Adaptive, Interpretable, and Efficient Root Cause Analysis on Large-Scale Microservice Systems

R Ding, C Zhang, L Wang, Y Xu, M Ma, X Wu… - Proceedings of the 31st …, 2023 - dl.acm.org
Root Cause Analysis (RCA) is becoming increasingly crucial for ensuring the reliability of
microservice systems. However, performing RCA on modern microservice systems can be …

A survey on diffusion models for time series and spatio-temporal data

Y Yang, M Jin, H Wen, C Zhang, Y Liang, L Ma… - arXiv preprint arXiv …, 2024 - arxiv.org
The study of time series data is crucial for understanding trends and anomalies over time,
enabling predictive insights across various sectors. Spatio-temporal data, on the other hand …

Mobile Trajectory Anomaly Detection: Taxonomy, Methodology, Challenges, and Directions

X Kong, J Wang, Z Hu, Y He, X Zhao… - IEEE Internet of Things …, 2024 - ieeexplore.ieee.org
The growing number of cars on city roads has led to an increase in traffic accidents,
highlighting the need for traffic safety measures. Mobile trajectory anomaly detection is an …

Revisiting VAE for Unsupervised Time Series Anomaly Detection: A Frequency Perspective

Z Wang, C Pei, M Ma, X Wang, Z Li, D Pei… - Proceedings of the …, 2024 - dl.acm.org
Time series Anomaly Detection (AD) plays a crucial role for web systems. Various web
systems rely on time series data to monitor and identify anomalies in real time, as well as to …

Large language model guided knowledge distillation for time series anomaly detection

C Liu, S He, Q Zhou, S Li, W Meng - arXiv preprint arXiv:2401.15123, 2024 - arxiv.org
Self-supervised methods have gained prominence in time series anomaly detection due to
the scarcity of available annotations. Nevertheless, they typically demand extensive training …

DiffTAD: Denoising diffusion probabilistic models for vehicle trajectory anomaly detection

C Li, G Feng, Y Li, R Liu, Q Miao, L Chang - Knowledge-Based Systems, 2024 - Elsevier
Vehicle trajectory anomaly detection plays an essential role in the fields of traffic video
surveillance, autonomous driving navigation, and taxi fraud detection. Deep generative …

Time series anomaly detection using diffusion-based models

I Pintilie, A Manolache, F Brad - 2023 IEEE International …, 2023 - ieeexplore.ieee.org
Diffusion models have been recently used for anomaly detection (AD) in images. In this
paper we investigate whether they can also be leveraged for AD on multivariate time series …