# Toward Comprehensive User and Item Representations via Three-tier Attention Network

> Research article (ACM Transactions on Information Systems, 2021) · cited 15× · AI/ML

**Wikidata**: [openalex:W3130347695](https://www.wikidata.org/wiki/openalex:W3130347695)  
**Source**: https://4ort.xyz/entity/toward-comprehensive-user-and-item-representations-via-three-tier-attention-network