# User profile as a bridge in cross-domain recommender systems for sparsity reduction

> Research article (Applied Intelligence, 2019) · cited 43× · AI/ML

**Wikidata**: [openalex:W2911028847](https://www.wikidata.org/wiki/openalex:W2911028847)  
**Source**: https://4ort.xyz/entity/user-profile-as-a-bridge-in-cross-domain-recommender-systems-for-sparsity-reduction