# Faster Optimal and Suboptimal Hierarchical Search

> Research article (Proceedings of the International Symposium on Combinatorial Search, 2021) · cited 11× · AI/ML

**Wikidata**: [openalex:W2139042205](https://www.wikidata.org/wiki/openalex:W2139042205)  
**Source**: https://4ort.xyz/entity/faster-optimal-and-suboptimal-hierarchical-search