HIFI: Anomaly Detection for Multivariate Time Series with High-order Feature Interactions.
Liwei DengXuanhao ChenYan ZhaoKai ZhengPublished in: CoRR (2021)
Keyphrases
- anomaly detection
- high order
- multivariate time series
- feature interactions
- higher order
- intrusion detection
- dimension reduction
- temporal patterns
- pairwise
- anomalous behavior
- temporal data
- detecting anomalies
- tensor analysis
- intrusion detection system
- autoregressive
- markov random field
- unsupervised learning
- spatial structure
- neural network
- one class support vector machines
- categorical data
- data analysis