# Semi-Supervised Classification of Malware Families Under Extreme Class Imbalance via Hierarchical Non-Negative Matrix Factorization with Automatic Model Selection

> Research article (ACM Transactions on Privacy and Security, 2023) · cited 12× · AI/ML

**Wikidata**: [openalex:W4386831175](https://www.wikidata.org/wiki/openalex:W4386831175)  
**Source**: https://4ort.xyz/entity/semi-supervised-classification-of-malware-families-under-extreme-class-imbalance-via-hierarchical-non-negative-matrix-fa