# Abnormal Trajectory Detection Based on a Sparse Subgraph

> Research article (IEEE Access, 2020) · cited 20× · AI/ML

**Wikidata**: [openalex:W3005022906](https://www.wikidata.org/wiki/openalex:W3005022906)  
**Source**: https://4ort.xyz/entity/abnormal-trajectory-detection-based-on-a-sparse-subgraph