<s>
A	O
Web	B-Application
Map	I-Application
Service	I-Application
(	O
WMS	O
)	O
is	O
a	O
standard	O
protocol	O
developed	O
by	O
the	O
Open	O
Geospatial	O
Consortium	O
in	O
1999	O
for	O
serving	O
georeferenced	O
map	O
images	O
over	O
the	O
Internet	O
.	O
</s>
<s>
These	O
images	O
are	O
typically	O
produced	O
by	O
a	O
map	B-Application
server	I-Application
from	O
data	O
provided	O
by	O
a	O
GIS	B-Application
database	O
.	O
</s>
<s>
DescribeLayer	O
–	O
returns	O
the	O
feature	O
types	O
of	O
the	O
specified	O
layer	O
or	O
layers	O
,	O
which	O
can	O
be	O
further	O
described	O
using	O
WFS	O
or	O
WCS	B-Application
requests	O
.	O
</s>
<s>
In	O
addition	O
,	O
vector	O
graphics	O
can	O
be	O
included	O
,	O
such	O
as	O
points	O
,	O
lines	O
,	O
curves	O
and	O
text	O
,	O
expressed	O
in	O
SVG	B-Application
or	O
WebCGM	O
format	O
.	O
</s>
<s>
Open	B-Application
source	I-Application
software	I-Application
that	O
provide	O
web	B-Application
map	I-Application
services	I-Application
capability	O
include	O
:	O
</s>
<s>
Proprietary	O
server	O
software	O
that	O
allow	O
providing	O
web	B-Application
map	I-Application
services	I-Application
include	O
:	O
</s>
<s>
Open	B-Application
source	I-Application
standalone	O
(	O
client	O
side	O
)	O
software	O
that	O
allow	O
viewing	O
web	B-Application
map	I-Application
services	I-Application
include	O
:	O
</s>
<s>
Proprietary	O
standalone	O
(	O
client	O
side	O
)	O
software	O
that	O
allow	O
viewing	O
web	B-Application
map	I-Application
services	I-Application
include	O
:	O
</s>
<s>
WMS	O
is	O
a	O
widely	O
supported	O
format	O
for	O
maps	O
and	O
GIS	B-Application
data	O
accessed	O
via	O
the	O
Internet	O
and	O
loaded	O
into	O
client	O
side	O
GIS	B-Application
software	I-Application
.	O
</s>
<s>
Major	O
commercial	O
GIS	B-Application
and	O
mapping	O
software	O
that	O
support	O
WMS	O
include	O
:	O
</s>
<s>
Open	B-Application
source	I-Application
software	I-Application
that	O
supports	O
WMS	O
include	O
:	O
</s>
