Time Series Anomaly Detection Based on Language Model.
Weixia DangBiyu ZhouWeigang ZhangSonglin HuPublished in: e-Energy (2020)
Keyphrases
- language model
- anomaly detection
- detect anomalies
- language modeling
- information retrieval
- n gram
- intrusion detection
- probabilistic model
- network traffic
- anomalous behavior
- query expansion
- network intrusion detection
- document retrieval
- detecting anomalies
- intrusion detection system
- mixture model
- network anomaly detection
- one class support vector machines
- ad hoc information retrieval
- retrieval model
- unsupervised learning
- test collection
- pattern recognition
- pseudo relevance feedback
- normal behavior
- information retrieval systems
- semi supervised
- knowledge discovery
- machine learning