# Estimating and Penalizing Preference Shift in Recommender Systems

> Research article (Fifteenth ACM Conference on Recommender Systems, 2021) · cited 20× · AI/ML

**Wikidata**: [openalex:W3199782056](https://www.wikidata.org/wiki/openalex:W3199782056)  
**Source**: https://4ort.xyz/entity/estimating-and-penalizing-preference-shift-in-recommender-systems