Table 1.

Multimodal raw sensory data sources.

Data Source	Sensor(s)	Context Type	Context Description
Smartwatch	accelerometer, gyroscope, PPG.	activity	climbing stairs, running, walking, cycling.
Smartphone	accelerometer, gyroscope, longitude, latitude.	location	home, office, gym, school, restaurant, cafe.
Smartphone	audio	emotion	anger, sadness, happiness.
Depth camera	video	activity	eating, sitting, standing, stretching, sweeping, lying down.