<s>
The	O
Web	B-Language
Rule	I-Language
Language	I-Language
(	O
WRL	O
)	O
is	O
a	O
rule-based	O
ontology	O
language	O
for	O
the	O
Semantic	O
Web	O
.	O
</s>
<s>
The	O
language	O
is	O
characterized	O
by	O
formal	O
semantics	B-Application
.	O
</s>
