# Automatic physical activity and in‐vehicle status classification based on GPS and accelerometer data: A hierarchical classification approach using machine learning techniques

> Research article (Transactions in GIS, 2018) · cited 30× · AI/ML

**Wikidata**: [openalex:W2901355675](https://www.wikidata.org/wiki/openalex:W2901355675)  
**Source**: https://4ort.xyz/entity/automatic-physical-activity-and-invehicle-status-classification-based-on-gps-and-accelerometer-data-a-hierarchical-class