Research Article

A Semantic Approach to Dynamic Path Planning for Fire Evacuation through BIM and IoT Data Integration

Algorithm 1

Automatic update method of the knowledge graph.
1 Initialize the knowledge graph.
2 Initialize the time step .
3 Initialize the number of IoT devices N.
4 for do:
5  Retrieve current observation results and fill in the knowledge graph.
6  for do:
7     Check if the result is within the danger range.
8     if True do:
9       Update the status and evacuation distance of the related space.
10     end if
11  end for
12 end for