<s>
Directed	O
Graph	O
Markup	O
Language	O
(	O
DGML	B-Language
)	O
is	O
an	O
XML-based	O
file	O
format	O
for	O
directed	O
graphs	O
.	O
</s>
<s>
The	O
complete	O
XSD	O
schema	O
for	O
DGML	B-Language
is	O
available	O
at	O
.	O
</s>
<s>
DGML	B-Language
not	O
only	O
allows	O
describing	O
nodes	O
and	O
links	O
in	O
a	O
graph	O
,	O
but	O
also	O
annotating	O
those	O
nodes	O
and	O
links	O
with	O
any	O
user	O
defined	O
property	O
and/or	O
category	O
.	O
</s>
