# A BFS-Tree of ranking references for unsupervised manifold learning

> Research article (Pattern Recognition, 2020) · cited 23× · AI/ML

**Wikidata**: [openalex:W3089108230](https://www.wikidata.org/wiki/openalex:W3089108230)  
**Source**: https://4ort.xyz/entity/a-bfs-tree-of-ranking-references-for-unsupervised-manifold-learning