An Unsupervised Host-Based Anomaly Intrusion Detection Technique Based on Non-negative Matrix Factorization.
Wei SunYongzhen KeWenju LiuZe WangPublished in: IMECS (2007)
Keyphrases
- negative matrix factorization
- unsupervised feature selection
- nonnegative matrix factorization
- matrix factorization
- document clustering
- principal component analysis
- sparse representation
- constrained least squares
- supervised learning
- unsupervised learning
- sparsity constraints
- spectral clustering
- semi supervised
- pattern recognition
- computer vision
- machine learning
- data sets
- collaborative filtering
- training set
- feature space
- object recognition