<s>
In	O
software	B-General_Concept
engineering	I-General_Concept
,	O
a	O
Library	B-Application
Oriented	I-Application
Architecture	I-Application
(	O
LOA	O
)	O
is	O
a	O
set	O
of	O
principles	O
and	O
methodologies	O
for	O
designing	O
and	O
developing	O
software	O
in	O
the	O
form	O
of	O
reusable	O
software	B-Library
libraries	I-Library
constrained	O
in	O
a	O
specific	O
ontology	O
domain	O
.	O
</s>
<s>
Library	B-Application
Oriented	I-Application
Architecture	I-Application
further	O
promotes	O
practices	O
similar	O
to	O
Modular	B-Architecture
Programming	I-Architecture
,	O
and	O
encourages	O
the	O
maintenance	O
of	O
internal	O
libraries	O
and	O
modules	B-Architecture
with	O
independent	O
internal	O
open-source	O
life-cycles	O
.	O
</s>
<s>
This	O
approach	O
promotes	O
good	O
software	B-General_Concept
engineering	I-General_Concept
principles	O
and	O
patterns	O
such	O
as	O
separation	O
of	O
concerns	O
and	O
designing	O
to	O
interfaces	B-Application
as	O
opposed	O
to	O
implementations	O
.	O
</s>
<s>
Three	O
principles	O
rule	O
Library	B-Application
Oriented	I-Application
Architecture	I-Application
frameworks	O
:	O
</s>
<s>
A	O
software	B-Library
library	I-Library
implementation	O
and	O
subject	O
area	O
expertise	O
must	O
be	O
constrained	O
to	O
only	O
one	O
ontology	O
domain	O
.	O
</s>
<s>
A	O
software	B-Library
library	I-Library
that	O
needs	O
to	O
use	O
concepts	O
and	O
artifacts	O
from	O
a	O
different	O
ontology	O
domain	O
than	O
the	O
one	O
it	O
belongs	O
to	O
,	O
must	O
interface	O
and	O
reuse	O
the	O
library	O
corresponding	O
to	O
that	O
specific	O
ontology	O
domain	O
.	O
</s>
<s>
All	O
domain	O
specific	O
software	B-Library
libraries	I-Library
must	O
be	O
maintained	O
and	O
supported	O
with	O
separate	O
life-cycles	O
.	O
</s>
<s>
Library	B-Application
Oriented	I-Application
Architecture	I-Application
may	O
provide	O
different	O
process	O
improvements	O
to	O
existing	O
software	B-General_Concept
engineering	I-General_Concept
practices	O
and	O
software	O
development	O
life-cycle	O
.	O
</s>
<s>
Simplify	O
configuration	B-General_Concept
management	I-General_Concept
of	O
distributed	B-Architecture
systems	I-Architecture
.	O
</s>
<s>
Information	O
Systems	O
built	O
using	O
LOA	O
are	O
technology-independent	B-Architecture
.	O
</s>
<s>
Increase	O
the	O
Maintainability	O
Index	O
of	O
your	O
distributed	B-Architecture
systems	I-Architecture
and	O
integration	O
repositories	O
.	O
</s>
<s>
Minimize	O
the	O
risk	O
of	O
high	B-Application
coupling	I-Application
,	O
this	O
can	O
be	O
more	O
evident	O
on	O
large	O
enterprise	B-Architecture
systems	I-Architecture
.	O
</s>
<s>
Maximization	O
of	O
the	O
Bus	B-General_Concept
Factor	I-General_Concept
of	O
the	O
software	B-General_Concept
engineering	I-General_Concept
team	O
.	O
</s>
