# DeepNNMF:deep nonlinear non-negative matrix factorization to address sparsity problem of collaborative recommender system

> Research article (International Journal of Information Technology, 2022) · cited 19× · AI/ML

**Wikidata**: [openalex:W4281258536](https://www.wikidata.org/wiki/openalex:W4281258536)  
**Source**: https://4ort.xyz/entity/deepnnmf-deep-nonlinear-non-negative-matrix-factorization-to-address-sparsity-problem-of-collaborative-recommender-syste