Semi-Supervised Classification of Malware Families Under Extreme Class Imbalance via Hierarchical Non-Negative Matrix Factorization with Automatic Model Selection.
Maksim Ekin ErenManish BhattaraiRobert J. JoyceEdward RaffCharles NicholasBoian S. AlexandrovPublished in: ACM Trans. Priv. Secur. (2023)
Keyphrases
- negative matrix factorization
- class imbalance
- class distribution
- active learning
- cost sensitive
- unlabeled data
- matrix factorization
- principal component analysis
- semi supervised
- labeled data
- sparse representation
- document clustering
- semi supervised learning
- spectral clustering
- learning algorithm
- feature selection
- training data
- text categorization
- k nearest neighbor
- data sets
- collaborative filtering
- recommender systems
- training set
- pattern recognition
- machine learning