An improved Hidden Markov Model for anomaly detection using frequent common patterns.
Afroza SultanaAbdelwahab Hamou-LhadjMario CouturePublished in: ICC (2012)
Keyphrases
- anomaly detection
- hidden markov models
- sequential data
- abnormal activity
- intrusion detection
- detecting anomalies
- anomalous behavior
- hidden semi markov models
- network intrusion detection
- frequent patterns
- speech recognition
- network traffic
- network anomaly detection
- conditional random fields
- continuous hidden markov models
- hidden states
- normal behavior
- pattern mining
- intrusion detection system
- detect anomalies
- negative selection algorithm
- previously unknown
- one class support vector machines
- reinforcement learning
- unsupervised learning
- pattern recognition
- co occurrence