<s>
In	O
artificial	B-Application
intelligence	I-Application
,	O
operations	O
research	O
,	O
and	O
related	O
fields	O
,	O
a	O
linguistic	B-General_Concept
value	I-General_Concept
(	O
for	O
some	O
authors	O
linguistic	O
variable	O
)	O
is	O
a	O
natural	O
language	O
term	O
which	O
is	O
derived	O
using	O
quantitative	O
or	O
qualitative	O
reasoning	O
such	O
as	O
with	O
probability	O
and	O
statistics	O
or	O
fuzzy	B-General_Concept
sets	I-General_Concept
and	I-General_Concept
systems	I-General_Concept
.	O
</s>
<s>
For	O
example	O
,	O
if	O
a	O
shuttle	O
heat	O
shield	O
is	O
deemed	O
of	O
having	O
a	O
linguistic	B-General_Concept
value	I-General_Concept
of	O
a	O
"	O
very	O
low	O
"	O
percentage	O
of	O
damage	O
in	O
re-entry	O
,	O
based	O
upon	O
knowledge	O
from	O
experts	O
in	O
the	O
field	O
,	O
that	O
probability	O
would	O
be	O
given	O
a	O
value	O
of	O
say	O
,	O
5%	O
.	O
</s>
