<s>
In	O
discrete	B-General_Concept
event	I-General_Concept
simulation	I-General_Concept
concurrent	B-General_Concept
estimation	I-General_Concept
is	O
a	O
technique	O
used	O
to	O
estimate	O
the	O
effect	O
of	O
alternate	O
parameter	O
settings	O
on	O
a	O
discrete	O
event	O
system	O
.	O
</s>
