# A recommender system based on collaborative filtering using ontology and dimensionality reduction techniques

> Research article (Expert Systems with Applications, 2017) · cited 362× · AI/ML

**Wikidata**: [openalex:W2757344433](https://www.wikidata.org/wiki/openalex:W2757344433)  
**Source**: https://4ort.xyz/entity/a-recommender-system-based-on-collaborative-filtering-using-ontology-and-dimensionality-reduction-techniques