<s>
SEDRIS	B-Application
(	O
Synthetic	O
Environment	O
Data	O
Representation	O
and	O
Interchange	O
Specification	O
)	O
is	O
an	O
international	O
data	O
coding	O
standard	O
infrastructure	O
technology	O
created	O
to	O
represent	O
environmental	O
data	O
in	O
virtual	B-General_Concept
environments	I-General_Concept
.	O
</s>
<s>
Environmental	O
data	O
represented	O
by	O
SEDRIS	B-Application
may	O
be	O
concrete	O
,	O
such	O
as	O
trees	O
and	O
mountains	O
,	O
or	O
abstract	O
,	O
such	O
as	O
the	O
behavior	O
of	O
light	O
.	O
</s>
<s>
SEDRIS	B-Application
was	O
launched	O
in	O
1994	O
by	O
program	O
managers	O
of	O
the	O
United	O
States	O
Army	O
's	O
Simulation	O
Training	O
and	O
Instrumentation	O
Command	O
and	O
the	O
US	O
Department	O
of	O
Defense	O
's	O
Defense	O
Advanced	O
Research	O
Projects	O
Agency	O
.	O
</s>
