# Recommendation algorithm of probabilistic matrix factorization based on directed trust

> Research article (Computers & Electrical Engineering, 2021) · cited 28× · AI/ML

**Wikidata**: [openalex:W3169993953](https://www.wikidata.org/wiki/openalex:W3169993953)  
**Source**: https://4ort.xyz/entity/recommendation-algorithm-of-probabilistic-matrix-factorization-based-on-directed-trust