# The 2021 RecSys Challenge Dataset: Fairness is not optional

> Research article (RecSysChallenge '21: Proceedings of the Recommender Systems Challenge 2021, 2021) · cited 13× · AI/ML

**Wikidata**: [openalex:W3215358907](https://www.wikidata.org/wiki/openalex:W3215358907)  
**Source**: https://4ort.xyz/entity/the-2021-recsys-challenge-dataset-fairness-is-not-optional