<s>
A	O
geometric	O
network	O
is	O
an	O
object	O
commonly	O
used	O
in	O
geographic	B-Application
information	I-Application
systems	I-Application
to	O
model	O
a	O
series	O
of	O
interconnected	O
features	O
.	O
</s>
<s>
A	O
geometric	O
network	O
is	O
similar	O
to	O
a	O
graph	O
in	O
mathematics	O
and	O
computer	B-General_Concept
science	I-General_Concept
,	O
and	O
can	O
be	O
described	O
and	O
analyzed	O
using	O
theories	O
and	O
concepts	O
similar	O
to	O
graph	O
theory	O
.	O
</s>
<s>
Geometric	B-Application
networks	I-Application
are	O
often	O
used	O
to	O
model	O
road	O
networks	O
and	O
public	O
utility	O
networks	O
(	O
such	O
as	O
electric	O
,	O
gas	O
,	O
and	O
water	O
utilities	O
)	O
.	O
</s>
<s>
Geometric	B-Application
networks	I-Application
are	O
called	O
in	O
recent	O
years	O
very	O
often	O
spatial	O
networks	O
.	O
</s>
