B. Semantic-based POI discovery for indoor environments
A user mobility profile contains the routing parameters
weighted w.r.t. the user’s disabilities. A small example is
shown in Figure 3. Each element includes tag and value
attributes to be matched with those of OSM elements. Road
defines an acceptable route segment, specifying the corre-
Fig. 3: Example of routing profile
sponding nominal speed (in km/h) and priority, which
is a preference weight based on road type. Obstacle defines
a barrier and whether it can be passed by the user according
to her disabilities: penalty is modeled as an estimated time
delay (in seconds) due to the barrier, where a value of -1 means
the obstacle cannot be passed at all. Avoid tag specifies
whether a route segment should be completely avoided.