# Data augmentation and refinement for recommender system: A semi-supervised approach using maximum margin matrix factorization

> Research article (Expert Systems with Applications, 2023) · cited 12× · AI/ML

**Wikidata**: [openalex:W4387378600](https://www.wikidata.org/wiki/openalex:W4387378600)  
**Source**: https://4ort.xyz/entity/data-augmentation-and-refinement-for-recommender-system-a-semi-supervised-approach-using-maximum-margin-matrix-factoriza