[Retracted] The Laboratory Intelligent Management System Using NB-IoT and Artificial Intelligence Technology

Table 3

Role table.

Laboratory administrator	Teacher user	Student user	Common modules between roles
Essential information	Teacher registration	Student registration	System bulletin
Maintenance management	Essential information	Essential information	Message module
Booking management	Teacher roll call	Student sign in	Login account
Announcement management	Roll call list	Check in list	Exit the system
	Experimental items	Experimental items	Password modification
	Equipment repair	Equipment repair	Forgot password
	Experiment appointment	Experiment appointment
	Student achievement list	View results