Human Activity Recognition Using Inertial Sensors in a Smartphone: An Overview Sousa Lima, Wesllen ; Souto, Eduardo ; El-Khatib, Khalil ; Jalali, Roozbeh ; Gama, Joao Abstract Publication: Sensors Pub Date: July 2019 DOI: 10.3390/s19143213 Bibcode: 2019Senso..19.3213S