# Resolving data sparsity by multi-type auxiliary implicit feedback for recommender systems

> Research article (Knowledge-Based Systems, 2017) · cited 81× · AI/ML

**Wikidata**: [openalex:W2762653287](https://www.wikidata.org/wiki/openalex:W2762653287)  
**Source**: https://4ort.xyz/entity/resolving-data-sparsity-by-multi-type-auxiliary-implicit-feedback-for-recommender-systems