# Hierarchical feature extraction by multi-layer non-negative matrix factorization network for classification task

> Research article (Neurocomputing, 2015) · cited 51× · AI/ML

**Wikidata**: [openalex:W2016412486](https://www.wikidata.org/wiki/openalex:W2016412486)  
**Source**: https://4ort.xyz/entity/hierarchical-feature-extraction-by-multi-layer-non-negative-matrix-factorization-network-for-classification-task