<s>
The	O
Zachman	B-Library
Framework	I-Library
is	O
an	O
enterprise	O
ontology	O
and	O
is	O
a	O
fundamental	O
structure	O
for	O
enterprise	O
architecture	O
which	O
provides	O
a	O
formal	O
and	O
structured	O
way	O
of	O
viewing	B-Architecture
and	O
defining	O
an	O
enterprise	O
.	O
</s>
<s>
The	O
ontology	O
is	O
a	O
two	O
dimensional	O
classification	B-General_Concept
schema	B-Application
that	O
reflects	O
the	O
intersection	O
between	O
two	O
historical	O
classifications	O
.	O
</s>
<s>
The	O
Zachman	B-Library
Framework	I-Library
reification	O
transformations	O
are	O
:	O
identification	O
,	O
definition	O
,	O
representation	O
,	O
specification	O
,	O
configuration	O
and	O
instantiation	O
.	O
</s>
<s>
The	O
Zachman	B-Library
Framework	I-Library
is	O
not	O
a	O
methodology	O
in	O
that	O
it	O
does	O
not	O
imply	O
any	O
specific	O
method	O
or	O
process	O
for	O
collecting	O
,	O
managing	O
,	O
or	O
using	O
the	O
information	O
that	O
it	O
describes	O
;	O
rather	O
,	O
it	O
is	O
an	O
ontology	O
whereby	O
a	O
schema	B-Application
for	O
organizing	O
architectural	O
artifacts	O
(	O
in	O
other	O
words	O
,	O
design	O
documents	O
,	O
specifications	O
,	O
and	O
models	O
)	O
is	O
used	O
to	O
take	O
into	O
account	O
both	O
who	O
the	O
artifact	O
targets	O
(	O
for	O
example	O
,	O
business	O
owner	O
and	O
builder	O
)	O
and	O
what	O
particular	O
issue	O
(	O
for	O
example	O
,	O
data	O
and	O
functionality	O
)	O
is	O
being	O
addressed	O
.	O
</s>
<s>
The	O
framework	B-Architecture
is	O
named	O
after	O
its	O
creator	O
John	O
Zachman	O
,	O
who	O
first	O
developed	O
the	O
concept	O
in	O
the	O
1980s	O
at	O
IBM	O
.	O
</s>
<s>
The	O
title	O
"	O
Zachman	B-Library
Framework	I-Library
"	O
refers	O
to	O
The	O
Zachman	B-Library
Framework	I-Library
for	O
Enterprise	O
Architecture	O
with	O
version	O
3.0	O
being	O
the	O
most	O
current	O
.	O
</s>
<s>
The	O
Zachman	B-Library
Framework	I-Library
has	O
evolved	O
in	O
its	O
thirty-year	O
history	O
to	O
include	O
:	O
</s>
<s>
The	O
initial	O
framework	B-Architecture
,	O
named	O
A	O
Framework	B-Architecture
for	O
Information	O
Systems	O
Architecture	O
,	O
by	O
John	O
Zachman	O
published	O
in	O
a	O
1987	O
article	O
in	O
the	O
IBM	O
Systems	O
journal	O
.	O
</s>
<s>
The	O
Zachman	B-Library
Framework	I-Library
for	O
Enterprise	O
Architecture	O
,	O
an	O
update	O
of	O
the	O
1987	O
original	O
in	O
the	O
1990s	O
extended	O
and	O
renamed	O
.	O
</s>
<s>
One	O
of	O
the	O
later	O
versions	O
of	O
the	O
Zachman	B-Library
Framework	I-Library
,	O
offered	O
by	O
Zachman	O
International	O
as	O
industry	O
standard	O
.	O
</s>
<s>
In	O
other	O
sources	O
the	O
Zachman	B-Library
Framework	I-Library
is	O
introduced	O
as	O
a	O
framework	B-Architecture
,	O
originated	O
by	O
and	O
named	O
after	O
John	O
Zachman	O
,	O
represented	O
in	O
numerous	O
ways	O
,	O
see	O
image	O
.	O
</s>
<s>
This	O
framework	B-Architecture
is	O
explained	O
as	O
,	O
for	O
example	O
:	O
</s>
<s>
a	O
framework	B-Architecture
to	O
organize	O
and	O
analyze	O
data	O
,	O
</s>
<s>
a	O
framework	B-Architecture
for	O
enterprise	O
architecture	O
.	O
</s>
<s>
a	O
two-dimensional	O
schema	B-Application
,	O
used	O
to	O
organize	O
the	O
detailed	O
representations	O
of	O
the	O
enterprise	O
.	O
</s>
<s>
Beside	O
the	O
frameworks	O
developed	O
by	O
John	O
Zachman	O
,	O
numerous	O
extensions	O
and/or	O
applications	O
have	O
been	O
developed	O
,	O
which	O
are	O
also	O
sometimes	O
called	O
Zachman	B-Library
Frameworks	I-Library
,	O
however	O
they	O
generally	O
tend	O
to	O
be	O
graphical	O
overlays	O
of	O
the	O
actual	O
framework	B-Architecture
itself	O
.	O
</s>
<s>
The	O
Zachman	B-Library
Framework	I-Library
summarizes	O
a	O
collection	O
of	O
perspectives	O
involved	O
in	O
enterprise	O
architecture	O
.	O
</s>
<s>
The	O
framework	B-Architecture
does	O
not	O
define	O
a	O
methodology	O
for	O
an	O
architecture	O
.	O
</s>
<s>
Further	O
modeling	O
by	O
mapping	O
between	O
columns	O
in	O
the	O
framework	B-Architecture
identifies	O
gaps	O
in	O
the	O
documented	O
state	O
of	O
the	O
organization	O
.	O
</s>
<s>
The	O
framework	B-Architecture
is	O
a	O
logical	O
structure	O
for	O
classifying	O
and	O
organizing	O
the	O
descriptive	O
representations	O
of	O
an	O
enterprise	O
.	O
</s>
<s>
While	O
there	O
is	O
no	O
order	O
of	O
priority	O
for	O
the	O
columns	O
of	O
the	O
Framework	B-Architecture
,	O
the	O
top-down	O
order	O
of	O
the	O
rows	O
is	O
significant	O
to	O
the	O
alignment	O
of	O
business	O
concepts	O
and	O
the	O
actual	O
physical	O
enterprise	O
.	O
</s>
<s>
The	O
level	O
of	O
detail	O
in	O
the	O
Framework	B-Architecture
is	O
a	O
function	O
of	O
each	O
cell	O
(	O
and	O
not	O
the	O
rows	O
)	O
.	O
</s>
<s>
When	O
done	O
by	O
IT	O
the	O
lower	O
level	O
of	O
focus	O
is	O
on	O
information	B-General_Concept
technology	I-General_Concept
,	O
however	O
it	O
can	O
apply	O
equally	O
to	O
physical	O
material	O
(	O
ball	O
valves	O
,	O
piping	O
,	O
transformers	O
,	O
fuse	O
boxes	O
for	O
example	O
)	O
and	O
the	O
associated	O
physical	O
processes	O
,	O
roles	O
,	O
locations	O
etc	O
.	O
</s>
<s>
In	O
the	O
1980s	O
John	O
Zachman	O
had	O
been	O
involved	O
at	O
IBM	O
in	O
the	O
development	O
of	O
business	O
system	O
planning	O
(	O
BSP	O
)	O
,	O
a	O
method	O
for	O
analyzing	O
,	O
defining	O
and	O
designing	O
an	O
information	B-Architecture
architecture	I-Architecture
of	O
organizations	O
.	O
</s>
<s>
It	O
may	O
be	O
employed	O
in	O
the	O
(	O
in	O
that	O
time	O
considered	O
more	O
esoteric	O
)	O
areas	O
of	O
enterprise	O
architecture	O
,	O
data-driven	O
systems	O
design	O
,	O
data	O
classification	B-General_Concept
criteria	O
,	O
and	O
more	O
.	O
</s>
<s>
In	O
the	O
1987	O
article	O
"	O
A	O
Framework	B-Architecture
for	O
Information	O
Systems	O
Architecture	O
"	O
Zachman	O
noted	O
that	O
the	O
term	O
"	O
architecture	O
"	O
was	O
used	O
loosely	O
by	O
information	O
systems	O
professionals	O
,	O
and	O
meant	O
different	O
things	O
to	O
planners	O
,	O
designers	O
,	O
programmers	O
,	O
communication	O
specialists	O
,	O
and	O
others	O
.	O
</s>
<s>
In	O
searching	O
for	O
an	O
objective	O
,	O
independent	O
basis	O
upon	O
which	O
to	O
develop	O
a	O
framework	B-Architecture
for	O
information	O
systems	O
architecture	O
,	O
Zachman	O
looked	O
at	O
the	O
field	O
of	O
classical	O
architecture	O
,	O
and	O
a	O
variety	O
of	O
complex	O
engineering	O
projects	O
in	O
industry	O
.	O
</s>
<s>
The	O
Information	O
Systems	O
Architecture	O
is	O
designed	O
to	O
be	O
a	O
classification	B-General_Concept
schema	B-Application
for	O
organizing	O
architecture	O
models	O
.	O
</s>
<s>
In	O
the	O
1992	O
article	O
"	O
Extending	O
and	O
Formalizing	O
the	O
Framework	B-Architecture
for	O
Information	O
Systems	O
Architecture	O
"	O
John	O
F	O
.	O
Sowa	O
and	O
John	O
Zachman	O
present	O
the	O
framework	B-Architecture
and	O
its	O
recent	O
extensions	O
and	O
show	O
how	O
it	O
can	O
be	O
formalized	O
in	O
the	O
notation	O
of	O
conceptual	O
graphs	O
.	O
</s>
<s>
Methodologists	O
like	O
Clive	O
Finkelstein	O
refocused	O
on	O
the	O
top	O
two	O
framework	B-Architecture
rows	O
which	O
he	O
labeled	O
Enterprise	B-Architecture
Engineering	I-Architecture
and	O
has	O
one	O
of	O
the	O
most	O
successful	O
methods	O
for	O
converging	O
the	O
business	O
needs	O
with	O
information	B-Application
technology	I-Application
engineering	I-Application
implementation	O
,	O
and	O
determining	O
a	O
logical	O
build	O
sequence	O
of	O
the	O
pieces	O
.	O
</s>
<s>
In	O
the	O
1997	O
paper	O
"	O
Concepts	O
of	O
the	O
Framework	B-Architecture
for	O
Enterprise	O
Architecture	O
"	O
Zachman	O
said	O
that	O
the	O
framework	B-Architecture
should	O
be	O
referred	O
to	O
as	O
a	O
"	O
Framework	B-Architecture
for	O
Enterprise	O
Architecture	O
"	O
,	O
and	O
should	O
have	O
from	O
the	O
beginning	O
.	O
</s>
<s>
In	O
2008	O
Zachman	O
Enterprise	O
introduced	O
the	O
Zachman	B-Library
Framework	I-Library
:	O
The	O
Official	O
Concise	O
Definition	O
as	O
a	O
new	O
Zachman	B-Library
Framework	I-Library
standard	O
.	O
</s>
<s>
Evernden	O
(	O
1996	O
)	O
presented	O
an	O
alternative	O
Information	B-Library
FrameWork	I-Library
.	O
</s>
<s>
The	O
Integrated	B-Library
Architecture	I-Library
Framework	I-Library
developed	O
by	O
Capgemini	O
since	O
1996	O
.	O
</s>
<s>
(	O
2006	O
)	O
presents	O
a	O
Zachman	O
Cube	O
,	O
an	O
extended	O
of	O
the	O
Zachman	B-Library
Framework	I-Library
into	O
a	O
multidimensional	O
Zachman	O
's	O
Cube	O
.	O
</s>
<s>
The	O
basic	O
idea	O
behind	O
the	O
Zachman	B-Library
Framework	I-Library
is	O
that	O
the	O
same	O
complex	O
thing	O
or	O
item	O
can	O
be	O
described	O
for	O
different	O
purposes	O
in	O
different	O
ways	O
using	O
different	O
types	O
of	O
descriptions	O
(	O
e.g.	O
,	O
textual	O
,	O
graphical	O
)	O
.	O
</s>
<s>
The	O
Zachman	B-Library
Framework	I-Library
provides	O
the	O
thirty-six	O
necessary	O
categories	O
for	O
completely	O
describing	O
anything	O
;	O
especially	O
complex	O
things	O
like	O
manufactured	O
goods	O
(	O
e.g.	O
,	O
appliances	O
)	O
,	O
constructed	O
structures	O
(	O
e.g.	O
,	O
buildings	O
)	O
,	O
and	O
enterprises	O
(	O
e.g.	O
,	O
the	O
organization	O
and	O
all	O
of	O
its	O
goals	O
,	O
people	O
,	O
and	O
technologies	O
)	O
.	O
</s>
<s>
The	O
framework	B-Architecture
provides	O
six	O
different	O
transformations	O
of	O
an	O
abstract	O
idea	O
(	O
not	O
increasing	O
in	O
detail	O
,	O
but	O
transforming	O
)	O
from	O
six	O
different	O
perspectives	O
.	O
</s>
<s>
The	O
Framework	B-Architecture
points	O
the	O
vertical	O
direction	O
for	O
that	O
communication	O
between	O
perspectives	O
.	O
</s>
<s>
The	O
current	O
version	O
(	O
3	O
)	O
of	O
the	O
Zachman	B-Library
Framework	I-Library
categorizes	O
the	O
rows	O
as	O
follows	O
:	O
</s>
<s>
Executive	O
Perspective	O
(	O
Scope	O
Contents	O
)	O
-	O
The	O
first	O
architectural	O
sketch	O
is	O
a	O
"	O
bubble	B-Application
chart	I-Application
"	O
or	O
Venn	B-Application
diagram	I-Application
,	O
which	O
depicts	O
in	O
gross	O
terms	O
the	O
size	O
,	O
shape	O
,	O
partial	O
relationships	O
,	O
and	O
basic	O
purpose	O
of	O
the	O
final	O
structure	O
.	O
</s>
<s>
Alternatively	O
,	O
they	O
could	O
represent	O
the	O
detailed	O
requirements	O
for	O
various	O
commercial-off-the-shelf	O
(	O
COTS	O
)	O
,	O
government	B-Application
off-the-shelf	I-Application
(	O
GOTS	O
)	O
,	O
or	O
components	O
of	O
modular	O
systems	O
software	O
being	O
procured	O
and	O
implemented	O
rather	O
than	O
built	O
.	O
</s>
<s>
In	O
addition	O
,	O
the	O
six	O
categories	O
of	O
enterprise	O
architecture	O
components	O
,	O
and	O
the	O
underlying	O
interrogatives	O
that	O
they	O
answer	O
,	O
form	O
the	O
columns	O
of	O
the	O
Zachman	B-Library
Framework	I-Library
and	O
these	O
are	O
:	O
</s>
<s>
In	O
Zachman	O
's	O
opinion	O
,	O
the	O
single	O
factor	O
that	O
makes	O
his	O
framework	B-Architecture
unique	O
is	O
that	O
each	O
element	O
on	O
either	O
axis	O
of	O
the	O
matrix	O
is	O
explicitly	O
distinguishable	O
from	O
all	O
the	O
other	O
elements	O
on	O
that	O
axis	O
.	O
</s>
<s>
The	O
Zachman	B-Library
Framework	I-Library
typically	O
is	O
depicted	O
as	O
a	O
bounded	O
6	O
x	O
6	O
"	O
matrix	O
"	O
with	O
the	O
Communication	O
Interrogatives	O
as	O
Columns	O
and	O
the	O
Reification	O
Transformations	O
as	O
Rows	O
.	O
</s>
<s>
The	O
framework	B-Architecture
classifications	O
are	O
repressed	O
by	O
the	O
Cells	O
,	O
that	O
is	O
,	O
the	O
intersection	O
between	O
the	O
Interrogatives	O
and	O
the	O
Transformations	O
.	O
</s>
<s>
The	O
cell	O
descriptions	O
are	O
taken	O
directly	O
from	O
version	O
3.0	O
of	O
the	O
Zachman	B-Library
Framework	I-Library
.	O
</s>
<s>
The	O
framework	B-Architecture
comes	O
with	O
a	O
set	O
of	O
rules	O
:	O
</s>
<s>
Rule	O
6	O
The	O
composite	O
or	O
integration	O
of	O
all	O
cell	O
models	O
in	O
one	O
row	O
constitutes	O
a	O
complete	O
model	O
from	O
the	O
perspective	O
of	O
that	O
row	O
:	O
For	O
the	O
same	O
reason	O
as	O
for	O
not	O
adding	O
rows	O
and	O
columns	O
,	O
changing	O
the	O
names	O
may	O
change	O
the	O
fundamental	O
logical	O
structure	O
of	O
the	O
Framework	B-Architecture
.	O
</s>
<s>
The	O
framework	B-Architecture
is	O
generic	O
in	O
that	O
it	O
can	O
be	O
used	O
to	O
classify	O
the	O
descriptive	O
representations	O
of	O
any	O
physical	O
object	O
as	O
well	O
as	O
conceptual	O
objects	O
such	O
as	O
enterprises	O
.	O
</s>
<s>
Although	O
the	O
framework	B-Architecture
will	O
carry	O
the	O
relation	O
from	O
one	O
column	O
to	O
the	O
other	O
,	O
it	O
is	O
still	O
a	O
fundamentally	O
structural	O
representation	O
of	O
the	O
enterprise	O
and	O
not	O
a	O
flow	O
representation	O
.	O
</s>
<s>
One	O
of	O
the	O
strengths	O
of	O
the	O
Zachman	B-Library
Framework	I-Library
is	O
that	O
it	O
explicitly	O
shows	O
a	O
comprehensive	O
set	O
of	O
views	B-Architecture
that	O
can	O
be	O
addressed	O
by	O
enterprise	O
architecture	O
.	O
</s>
<s>
Some	O
feel	O
that	O
following	O
this	O
model	O
completely	O
can	O
lead	O
to	O
too	O
much	O
emphasis	O
on	O
documentation	O
,	O
as	O
artifacts	O
would	O
be	O
needed	O
for	O
every	O
one	O
of	O
the	O
thirty	O
cells	O
in	O
the	O
framework	B-Architecture
.	O
</s>
<s>
John	O
Zachman	O
clearly	O
states	O
in	O
his	O
documentation	O
,	O
presentations	O
,	O
and	O
seminars	O
that	O
,	O
as	O
framework	B-Architecture
,	O
there	O
is	O
flexibility	O
in	O
what	O
depth	O
and	O
breadth	O
of	O
detail	O
is	O
required	O
for	O
each	O
cell	O
of	O
the	O
matrix	O
based	O
upon	O
the	O
importance	O
to	O
a	O
given	O
organization	O
.	O
</s>
<s>
Since	O
the	O
1990s	O
the	O
Zachman	B-Library
Framework	I-Library
has	O
been	O
widely	O
used	O
as	O
a	O
means	O
of	O
providing	O
structure	O
for	O
information	O
technology	O
engineering-style	O
enterprise	O
modeling	O
.	O
</s>
<s>
The	O
Zachman	B-Library
Framework	I-Library
can	O
be	O
applied	O
both	O
in	O
commercial	O
companies	O
and	O
in	O
government	O
agencies	O
.	O
</s>
<s>
Within	O
a	O
government	O
organization	O
the	O
framework	B-Architecture
can	O
be	O
applied	O
to	O
an	O
entire	O
agency	O
at	O
an	O
abstract	O
level	O
,	O
or	O
it	O
can	O
be	O
applied	O
to	O
various	O
departments	O
,	O
offices	O
,	O
programs	O
,	O
subunits	O
and	O
even	O
to	O
basic	O
operational	O
entities	O
.	O
</s>
<s>
Zachman	B-Library
Framework	I-Library
is	O
applied	O
in	O
customized	O
frameworks	O
such	O
as	O
the	O
TEAF	O
,	O
built	O
around	O
the	O
similar	O
frameworks	O
,	O
the	O
TEAF	O
matrix	O
.	O
</s>
<s>
Zachman	B-Library
Framework	I-Library
is	O
also	O
used	O
as	O
a	O
framework	B-Architecture
to	O
describe	O
standards	O
,	O
for	O
example	O
standards	O
for	O
healthcare	O
and	O
healthcare	O
information	O
system	O
.	O
</s>
<s>
Each	O
cell	O
of	O
the	O
framework	B-Architecture
contains	O
such	O
a	O
series	O
of	O
standards	O
for	O
healthcare	O
and	O
healthcare	O
information	O
system	O
.	O
</s>
<s>
Another	O
application	O
of	O
the	O
Zachman	B-Library
Framework	I-Library
is	O
as	O
reference	O
model	O
for	O
other	O
enterprise	O
architectures	O
,	O
see	O
for	O
example	O
these	O
four	O
:	O
</s>
<s>
Analysis	O
of	O
the	O
Rational	B-Application
Unified	I-Application
Process	I-Application
as	O
a	O
Process	O
,	O
</s>
<s>
How	O
the	O
Model-driven	B-Architecture
architecture	I-Architecture
(	O
MDA	O
)	O
models	O
used	O
in	O
software	O
development	O
map	O
to	O
the	O
Zachman	B-Library
Framework	I-Library
.	O
</s>
<s>
Mapping	O
the	O
IEC	O
62264	O
models	O
onto	O
the	O
Zachman	B-Library
framework	I-Library
for	O
analysing	O
products	O
information	O
traceability	O
.	O
</s>
<s>
the	O
methodology	O
)	O
to	O
the	O
Zachman	B-Library
Framework	I-Library
.	O
</s>
<s>
Less	O
obvious	O
are	O
the	O
ways	O
the	O
original	O
Zachman	B-Library
framework	I-Library
has	O
stimulated	O
the	O
development	O
of	O
other	O
enterprise	B-Library
architecture	I-Library
frameworks	I-Library
,	O
such	O
as	O
in	O
the	O
NIST	B-Library
Enterprise	I-Library
Architecture	I-Library
Model	I-Library
,	O
the	O
C4ISR	O
AE	O
,	O
the	O
DOE	O
AE	O
,	O
and	O
the	O
DoDAF	O
:	O
</s>
<s>
The	O
Federal	B-Library
Enterprise	I-Library
Architecture	I-Library
Framework	I-Library
(	O
FEAF	O
)	O
is	O
based	O
on	O
the	O
Zachman	B-Library
Framework	I-Library
but	O
only	O
addresses	O
the	O
first	O
three	O
columns	O
of	O
Zachman	O
,	O
using	O
slightly	O
different	O
names	O
,	O
and	O
focuses	O
in	O
the	O
top	O
of	O
the	O
three	O
rows	O
.	O
</s>
<s>
The	O
Zachman	B-Library
Framework	I-Library
methodology	O
has	O
for	O
example	O
been	O
used	O
by	O
the	O
United	O
States	O
Department	O
of	O
Veterans	O
Affairs	O
(	O
VA	O
)	O
to	O
develop	O
and	O
maintain	O
its	O
One-VA	O
Enterprise	O
Architecture	O
in	O
2001	O
.	O
</s>
<s>
The	O
Department	O
of	O
Veterans	O
Affairs	O
at	O
the	O
beginning	O
of	O
the	O
21st	O
century	O
planned	O
to	O
implement	O
an	O
enterprise	O
architecture	O
fully	O
based	O
on	O
the	O
Zachman	B-Library
Framework	I-Library
.	O
</s>
<s>
The	O
Zachman	B-Library
Framework	I-Library
was	O
used	O
as	O
a	O
reference	O
model	O
to	O
initiate	O
enterprise	B-Architecture
architecture	I-Architecture
planning	I-Architecture
in	O
2001	O
.	O
</s>
<s>
Somewhere	O
in	O
between	O
the	O
VA	O
Zachman	B-Library
Framework	I-Library
Portal	O
was	O
constructed	O
.	O
</s>
<s>
This	O
VA	O
Zachman	B-Library
Framework	I-Library
Portal	O
is	O
still	O
in	O
use	O
as	O
a	O
reference	O
model	O
for	O
example	O
in	O
the	O
determination	O
of	O
EA	O
information	O
collected	O
from	O
various	O
business	O
and	O
project	O
source	O
documents	O
.	O
</s>
<s>
Eventually	O
,	O
an	O
enterprise	O
architecture	O
repository	O
was	O
created	O
at	O
the	O
macro	O
level	O
by	O
the	O
Zachman	B-Library
framework	I-Library
and	O
at	O
a	O
cell	O
level	O
by	O
the	O
meta-model	O
outlined	O
below	O
.	O
</s>
<s>
It	O
was	O
developed	O
using	O
an	O
object	B-Application
oriented	I-Application
database	I-Application
within	O
the	O
Caliber-RM	O
Software	O
Product	O
.	O
</s>
<s>
The	O
personal	O
motivation	O
in	O
selecting	O
this	O
tool	O
was	O
that	O
none	O
of	O
the	O
commercial	O
repository	O
tools	O
then	O
available	O
provided	O
a	O
true	O
Zachman	B-Library
Framework	I-Library
representation	O
,	O
and	O
were	O
highly	O
proprietary	O
,	O
making	O
it	O
difficult	O
to	O
incorporate	O
components	O
from	O
other	O
vendors	O
or	O
from	O
open	O
source	O
.	O
</s>
<s>
This	O
diagram	O
emphasizes	O
several	O
important	O
interpretations	O
of	O
the	O
Zachman	B-Library
Framework	I-Library
and	O
its	O
adaptation	O
to	O
information	B-General_Concept
technology	I-General_Concept
investment	O
management	O
.	O
</s>
<s>
Progressing	O
through	O
the	O
rows	O
from	O
top	O
to	O
bottom	O
,	O
one	O
can	O
trace-out	O
the	O
systems	B-General_Concept
development	I-General_Concept
life	I-General_Concept
cycle	I-General_Concept
(	O
SDLC	O
)	O
which	O
is	O
a	O
de	O
facto	O
standard	O
across	O
the	O
Information	O
Industry	O
;	O
</s>
<s>
Without	O
row-six	O
the	O
Framework	B-Architecture
only	O
identifies	O
sunk-cost	O
,	O
but	O
the	O
row-six	O
ROI	O
permits	O
it	O
to	O
measure	O
benefits	O
and	O
to	O
be	O
used	O
in	O
a	O
continuous	O
improvement	O
process	O
,	O
capturing	O
best	O
practices	O
and	O
applying	O
them	O
back	O
through	O
row-two	O
.	O
</s>
<s>
While	O
the	O
Zachman	B-Library
Framework	I-Library
is	O
widely	O
discussed	O
,	O
its	O
practical	O
value	O
has	O
been	O
questioned	O
:	O
</s>
<s>
This	O
criticism	O
suggests	O
that	O
the	O
Zachman	B-Library
Framework	I-Library
can	O
hardly	O
reflect	O
actual	O
best	O
practice	O
in	O
EA	O
.	O
</s>
