<s>
The	O
REWERSE	O
Rule	B-Language
Markup	I-Language
Language	I-Language
(	O
R2ML	B-Language
)	O
is	O
developed	O
by	O
the	O
for	O
the	O
purpose	O
of	O
rules	O
interchange	O
between	O
different	O
systems	O
and	O
tools	O
.	O
</s>
<s>
An	O
XML	B-Protocol
based	O
rule	O
language	O
;	O
</s>
<s>
Integrate	O
functional	O
languages	O
(	O
such	O
as	O
OCL	B-Language
)	O
with	O
Datalog	B-Language
languages	O
(	O
such	O
as	O
SWRL	B-Language
)	O
;	O
</s>
<s>
Modeled	O
using	O
MDA	B-Architecture
;	O
</s>
<s>
Rule	O
concepts	O
defined	O
with	O
the	O
help	O
of	O
MOF/UML	O
;	O
</s>
<s>
Web	O
naming	O
concepts	O
,	O
such	O
as	O
URIs	B-Protocol
and	O
XML	B-Protocol
namespaces	O
;	O
</s>
<s>
XML	B-Protocol
based	O
concrete	O
syntax	O
validated	O
by	O
an	O
XML	B-Protocol
Schema	O
;	O
</s>
