# Activities tracking by smartphone and smartwatch biometric sensors using fuzzy set theory

> Research article (Multimedia Tools and Applications, 2022) · cited 17× · AI/ML

**Wikidata**: [openalex:W4283261583](https://www.wikidata.org/wiki/openalex:W4283261583)  
**Source**: https://4ort.xyz/entity/activities-tracking-by-smartphone-and-smartwatch-biometric-sensors-using-fuzzy-set-theory