# HUAD: Hierarchical Urban Anomaly Detection Based on Spatio-Temporal Data

> Research article (IEEE Access, 2020) · cited 31× · AI/ML

**Wikidata**: [openalex:W3005040888](https://www.wikidata.org/wiki/openalex:W3005040888)  
**Source**: https://4ort.xyz/entity/huad-hierarchical-urban-anomaly-detection-based-on-spatio-temporal-data