# Efficient Distribution Similarity Identification in Clustered Federated Learning via Principal Angles between Client Data Subspaces

> Research article (Proceedings of the AAAI Conference on Artificial Intelligence, 2023) · cited 78× · AI/ML

**Wikidata**: [openalex:W4382317695](https://www.wikidata.org/wiki/openalex:W4382317695)  
**Source**: https://4ort.xyz/entity/efficient-distribution-similarity-identification-in-clustered-federated-learning-via-principal-angles-between-client-dat