# Improving collaborative filtering's rating prediction coverage in sparse datasets by exploiting the 'friend of a friend' concept

> Research article (International Journal of Big Data Intelligence, 2020) · cited 10× · AI/ML

**Wikidata**: [openalex:W4234036860](https://www.wikidata.org/wiki/openalex:W4234036860)  
**Source**: https://4ort.xyz/entity/improving-collaborative-filtering-s-rating-prediction-coverage-in-sparse-datasets-by-exploiting-the-friend-of-a-friend-c