Based on the observation, we classify four types of users.
The first set of users represents people who live outside the
simulation area but work inside of it. For these users (denoted
as “workers”), a place of employment is randomly determined.
This location can be an office building (with a probability of
40 % per office building), a restaurant (5 % per restaurant), or a
shop (5 % per shop). All workers arrive to the working place
from outside the simulation area. Therefore, an intersection at
the edge of the simulation area is selected as a point of entering
and exiting the area. Besides moving between the work place
and enter/exit of the area, the worker can also visit other POIs
with a certain probability. On the route to work, the worker can
visit a shop with probability of 5 % per shop. On the way
home, this user can visit a shop (10 % per shop) or a restaurant
(10 % per restaurant). An example of a movement of a worker
is depicted in Fig. 4a.