<s>
Architecture-driven	B-Architecture
modernization	I-Architecture
in	O
computing	O
and	O
computer	B-General_Concept
science	I-General_Concept
,	O
is	O
the	O
name	O
of	O
the	O
initiative	O
of	O
the	O
Object	B-Architecture
Management	I-Architecture
Group	I-Architecture
(	O
see	O
)	O
related	O
to	O
building	O
and	O
promoting	O
standards	O
that	O
can	O
be	O
applied	O
to	O
modernize	O
legacy	B-Device
systems	I-Device
.	O
</s>
<s>
In	O
June	O
2003	O
,	O
The	O
Object	B-Architecture
Management	I-Architecture
Group	I-Architecture
(	O
OMG	O
)	O
formed	O
a	O
task	O
force	O
to	O
model	O
in	O
the	O
context	O
of	O
existing	O
software	O
systems	O
.	O
</s>
<s>
Initially	O
,	O
the	O
group	O
was	O
called	O
Legacy	O
Transformation	O
Task	O
Force	O
,	O
but	O
then	O
the	O
name	O
was	O
unanimously	O
changed	O
to	O
Architecture-Driven	B-Architecture
Modernization	I-Architecture
Task	O
Force	O
(	O
ADMTF	O
)	O
.	O
</s>
<s>
In	O
November	O
2003	O
,	O
the	O
OMG	O
's	O
Architecture-Driven	B-Architecture
Modernization	I-Architecture
Task	O
Force	O
recommended	O
,	O
and	O
the	O
Platform	O
Technical	O
Committee	O
issued	O
,	O
the	O
Knowledge	B-Language
Discovery	I-Language
Metamodel	I-Language
Request	O
For	O
Proposal	O
(	O
RFP	O
)	O
.	O
</s>
<s>
In	O
February	O
2005	O
,	O
the	O
OMG	O
's	O
Architecture-Driven	B-Architecture
Modernization	I-Architecture
Task	O
Force	O
recommended	O
,	O
and	O
the	O
Platform	O
Technical	O
Committee	O
issued	O
,	O
the	O
Abstract	O
Syntax	O
Tree	O
Metamodel	O
(	O
ASTM	O
)	O
Request	O
For	O
Proposal	O
(	O
RFP	O
)	O
.	O
</s>
<s>
In	O
May	O
2006	O
,	O
the	O
Team	O
's	O
submission	O
—	O
the	O
Knowledge	B-Language
Discovery	I-Language
Metamodel	I-Language
—	O
was	O
adopted	O
by	O
the	O
OMG	O
and	O
moved	O
into	O
the	O
finalization	O
stage	O
of	O
the	O
OMG	O
's	O
standards	O
adoption	O
process	O
.	O
</s>
<s>
In	O
September	O
2006	O
,	O
the	O
OMG	O
's	O
Architecture-Driven	B-Architecture
Modernization	I-Architecture
Task	O
Force	O
recommended	O
,	O
and	O
the	O
Platform	O
Technical	O
Committee	O
issued	O
,	O
the	O
Software	O
Metrics	O
Metamodel	O
(	O
SMM	O
)	O
Request	O
For	O
Proposal	O
(	O
RFP	O
)	O
.	O
</s>
<s>
The	O
foundation	O
of	O
the	O
architecture-driven	B-Architecture
modernization	I-Architecture
initiative	O
is	O
the	O
OMG	O
specification	O
Knowledge	B-Language
Discovery	I-Language
Metamodel	I-Language
(	O
KDM	O
)	O
.	O
</s>
<s>
An	O
entity	B-Architecture
relationship	I-Architecture
diagram	I-Architecture
is	O
a	O
frequent	O
format	O
of	O
representing	O
knowledge	O
obtained	O
from	O
existing	O
software	O
.	O
</s>
<s>
Knowledge	B-Language
Discovery	I-Language
Metamodel	I-Language
defines	O
an	O
ontology	O
for	O
the	O
software	O
assets	O
and	O
their	O
relationships	O
for	O
the	O
purpose	O
of	O
performing	O
knowledge	O
discovery	O
of	O
existing	O
code	O
.	O
</s>
<s>
The	O
KDM	O
Analytics	O
company	O
maintains	O
an	O
open	O
portal	O
for	O
the	O
Knowledge	B-Language
Discovery	I-Language
Metamodel	I-Language
(	O
see	O
)	O
.	O
</s>
<s>
Existing	O
(	O
or	O
legacy	O
)	O
software	O
has	O
been	O
one	O
of	O
the	O
biggest	O
obstacles	O
for	O
applying	O
model-driven	B-Architecture
architecture	I-Architecture
.	O
</s>
<s>
The	O
acronym	O
for	O
architecture-driven	B-Architecture
modernization	I-Architecture
(	O
ADM	O
)	O
is	O
coincidentally	O
MDA	O
in	O
reverse	O
.	O
</s>
<s>
MDA	O
is	O
the	O
acronym	O
for	O
OMG	O
's	O
model-driven	B-Architecture
architecture	I-Architecture
,	O
which	O
purports	O
the	O
use	O
of	O
models	O
and	O
transformations	O
to	O
deliver	O
new	O
software	O
.	O
</s>
<s>
Some	O
of	O
the	O
vendors	O
providing	O
Architecture-Driven	B-Architecture
Modernization	I-Architecture
software	O
tooling	O
&	O
methods	O
:	O
</s>
