# Improving sparsity and new user problems in collaborative filtering by clustering the personality factors

> Research article (Electronic Commerce Research, 2018) · cited 40× · AI/ML

**Wikidata**: [openalex:W2783463464](https://www.wikidata.org/wiki/openalex:W2783463464)  
**Source**: https://4ort.xyz/entity/improving-sparsity-and-new-user-problems-in-collaborative-filtering-by-clustering-the-personality-factors