Towards the Design of Context-Aware Adaptive User Interfaces to Minimize Drivers’ Distractions

Table 2

Snippet of different contexts and threshold values.

Term	Context	Threshold value
Velocity	High speed	Speed greater or equal to 80 km/h.
	Low speed	Speed is less or equal to 30 km/h.
	Medium speed	Speed is between 30 km/h and 80 km/h.
Location	Familiar location	More than five-time visit on this road.
	Little familiar	More than one-time visit last time.
	Nonfamiliar	First visited road.
Noisy	Environment is noisy	If noise is 25 decibels.
Text messages	Short messages	If the length of the message is less than 30 characters.
	Lengthy messages	If the length of the message is greater than 30 characters.
Contact number	Known number	If saved in the contact list.
	Unknown number	If not saved in the contact list.
Driving status	Is driving	If speed is ≥10 km/h or D gear is detected.
	No driving	If speed is =0 km/h or P gear is detected.