# UGRec: Modeling Directed and Undirected Relations for Recommendation

> Research article (Proceedings of the 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2021) · cited 17× · AI/ML

**Wikidata**: [openalex:W3156341473](https://www.wikidata.org/wiki/openalex:W3156341473)  
**Source**: https://4ort.xyz/entity/ugrec-modeling-directed-and-undirected-relations-for-recommendation