# An Approach to Alleviate the Sparsity Problem of Hybrid Collaborative Filtering Based Recommendations: The Product-Attribute Perspective from User Reviews

> Research article (Mobile Networks and Applications, 2019) · cited 115× · AI/ML

**Wikidata**: [openalex:W2937054116](https://www.wikidata.org/wiki/openalex:W2937054116)  
**Source**: https://4ort.xyz/entity/an-approach-to-alleviate-the-sparsity-problem-of-hybrid-collaborative-filtering-based-recommendations-the-product-attrib