# Collaborative Topic Ranking: Leveraging Item Meta-Data for Sparsity Reduction

> Research article (Proceedings of the AAAI Conference on Artificial Intelligence, 2015) · cited 27× · AI/ML

**Wikidata**: [openalex:W2286085333](https://www.wikidata.org/wiki/openalex:W2286085333)  
**Source**: https://4ort.xyz/entity/collaborative-topic-ranking-leveraging-item-meta-data-for-sparsity-reduction