# Feature selection for proximity estimation in COVID-19 contact tracing apps based on Bluetooth Low Energy (BLE)

> Research article (Pervasive and Mobile Computing, 2021) · cited 25× · AI/ML

**Wikidata**: [openalex:W3204291048](https://www.wikidata.org/wiki/openalex:W3204291048)  
**Source**: https://4ort.xyz/entity/feature-selection-for-proximity-estimation-in-covid-19-contact-tracing-apps-based-on-bluetooth-low-energy-ble