# KGFlex: Efficient Recommendation with Sparse Feature Factorization and Knowledge Graphs

> Research article (ACM Transactions on Recommender Systems, 2023) · cited 14× · AI/ML

**Wikidata**: [openalex:W4362514929](https://www.wikidata.org/wiki/openalex:W4362514929)  
**Source**: https://4ort.xyz/entity/kgflex-efficient-recommendation-with-sparse-feature-factorization-and-knowledge-graphs