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Table 1 Details of short-term activities selected for user identification

From: Identifying smartphone users based on how they interact with their phones

Code

Short-term activities

Trials

Duration (s)

S1

Pick up device from table and putting it back

5

2.5 ± 4

S2

Unlock the device by pressing power button and unlock pattern

5

3 ± 4

S3

Keystroke pattern: “In a meeting call you later”

5

5 ± 10

S4

Dialing a number and make a call

5

5 ± 10

S5

Pull down phone from ear to lock

5

2 ± 4