# Accurate and Energy-Efficient GPS-Less Outdoor Localization

> Research article (ACM Transactions on Spatial Algorithms and Systems, 2017) · cited 50× · AI/ML

**Wikidata**: [openalex:W2741243151](https://www.wikidata.org/wiki/openalex:W2741243151)  
**Source**: https://4ort.xyz/entity/accurate-and-energy-efficient-gps-less-outdoor-localization