# Nonnegative matrix factorization by joint locality-constrained and ℓ 2,1-norm regularization

> Research article (Multimedia Tools and Applications, 2017) · cited 12× · AI/ML

**Wikidata**: [openalex:W2726537509](https://www.wikidata.org/wiki/openalex:W2726537509)  
**Source**: https://4ort.xyz/entity/nonnegative-matrix-factorization-by-joint-locality-constrained-and-l-2-1-norm-regularization