<s>
MobilityTestbed	O
,	O
formerly	O
known	O
as	O
DARP	O
Simulation	O
Testbed	O
,	O
is	O
an	O
open-source	B-Application
,	O
interaction-rich	O
Multi-agent	O
simulation	O
model	O
designed	O
to	O
test	O
and	O
evaluate	O
various	O
Dial-a-ride	O
problem	O
algorithms	O
or	O
other	O
central	O
or	O
decentralized	O
coordination	O
or	O
Resource	B-Algorithm
allocation	I-Algorithm
mechanisms	O
within	O
on-demand	O
transportation	O
systems	O
.	O
</s>
<s>
The	O
testbed	O
is	O
built	O
on	O
top	O
of	O
the	O
AgentPolis	O
platform	O
and	O
employs	O
a	O
discrete	B-General_Concept
event	I-General_Concept
simulation	I-General_Concept
paradigm	O
.	O
</s>
