<s>
Naive	B-General_Concept
semantics	I-General_Concept
is	O
an	O
approach	O
used	O
in	O
computer	B-General_Concept
science	I-General_Concept
for	O
representing	O
basic	O
knowledge	O
about	O
a	O
specific	O
domain	O
,	O
and	O
has	O
been	O
used	O
in	O
applications	O
such	O
as	O
the	O
representation	O
of	O
the	O
meaning	O
of	O
natural	O
language	O
sentences	O
in	O
artificial	B-Application
intelligence	I-Application
applications	O
.	O
</s>
<s>
In	O
natural	B-General_Concept
language	I-General_Concept
understanding	I-General_Concept
,	O
naive	B-General_Concept
semantics	I-General_Concept
involves	O
the	O
use	O
of	O
a	O
lexical	B-Application
theory	I-Application
which	O
maps	O
each	O
word	O
sense	O
to	O
a	O
simple	O
theory	O
(	O
or	O
set	O
of	O
assertions	O
)	O
about	O
the	O
objects	O
or	O
events	O
of	O
reference	O
.	O
</s>
