<s>
SATURN	B-General_Concept
(	O
Simulation	O
and	O
Assignment	O
of	O
Traffic	O
to	O
Urban	O
Road	O
Networks	O
)	O
is	O
a	O
computer	O
program	O
that	O
calculates	O
transport	O
assignment	O
on	O
road	O
networks	O
.	O
</s>
<s>
Saturn	B-General_Concept
competes	O
with	O
VISUM	O
by	O
PTV	O
.	O
</s>
