... two classification characteristics were investigated through a dual-variable cross-analysis. Specifically, frequency distributions were evaluated by cross-referencing two criteria simultaneously. For example, the analysis identified the number of publications utilizing occupancy (motion) sensors...

... in an emergency, and it is also safe. This system makes use of detection sensors, which are used to sense when there is an ignition of fire, and the wireless sensor network is used to communicate between sensor devices and the system. This system facilitates the fast and safe evacuation of people out...