The number of publications investigating heart rate variability (HRV) in psychiatry and the behavioral sciences has increased markedly in the last decade. In addition to the significant debates ...

One of the most important metrics on a Fitbit tracker is the Estimated Oxygen Variation – and now that every tracker is fitted with an SpO2 sensor, everyone can take advantage. Blood oxygen can be ...

Abstract: The internet domain name system (DNS) is essential to the internet infrastructure, facilitating communication between devices and applications. Over the time, changes in the web graph ...

Abstract: In the Software Product Line (SPL) paradigm, the variability description is an important issue for the requirements engineering process. In this scenario, there are several approaches in the ...