Gathering Contextual Data with Power Information Using Smartphones in Internet of Everything

Table 1

Comparison of datasets based on contextual and power information.

Authors	Year	Smart phone	Contextual information	Power information
				Battery level	Current	Voltage
[20]	2018	✓	✓	×	×	×
[27]	2018	✓	✓	✓	×	×
[23]	2020	✓	✓	×	×	×
[24]	2020	✓	✓	×	×	×
[25]	2021	✓	✓	×	×	×
[26]	2022	✓	✓	×	×	×