<s>
Algebraic	B-Application
modeling	I-Application
languages	I-Application
(	O
AML	O
)	O
are	O
high-level	O
computer	O
programming	O
languages	O
for	O
describing	O
and	O
solving	O
high	O
complexity	O
problems	O
for	O
large	O
scale	O
mathematical	O
computation	O
(	O
i.e.	O
</s>
<s>
One	O
particular	O
advantage	O
of	O
some	O
algebraic	B-Application
modeling	I-Application
languages	I-Application
like	O
AIMMS	B-Application
,	O
AMPL	B-Language
,	O
GAMS	B-Application
,	O
</s>
<s>
MathProg	B-Application
,	O
</s>
<s>
Mosel	B-Application
,	O
</s>
<s>
These	O
algorithms	O
are	O
called	O
solvers	B-Application
and	O
can	O
handle	O
certain	O
kind	O
of	O
mathematical	O
problems	O
like	O
:	O
</s>
<s>
Most	O
modeling	O
languages	O
exploit	O
the	O
similarities	O
between	O
structured	O
models	O
and	O
relational	B-Application
databases	I-Application
by	O
providing	O
a	O
database	O
access	O
layer	O
,	O
which	O
enables	O
the	O
modelling	O
system	O
to	O
directly	O
access	O
data	O
from	O
external	O
data	O
sources	O
(	O
e.g.	O
</s>
<s>
these	O
table	O
handlers	O
for	O
AMPL	B-Language
)	O
.	O
</s>
<s>
With	O
the	O
refinement	O
of	O
analytic	O
technologies	O
applied	O
to	O
business	O
processes	O
,	O
optimization	O
models	O
are	O
becoming	O
an	O
integral	O
part	O
of	O
decision	B-Application
support	I-Application
systems	I-Application
;	O
optimization	O
models	O
can	O
be	O
structured	O
and	O
layered	O
to	O
represent	O
and	O
support	O
complex	O
business	O
processes	O
.	O
</s>
<s>
This	O
is	O
probably	O
the	O
single	O
most	O
notable	O
feature	O
common	O
to	O
all	O
modern	O
AMLs	O
and	O
enabled	O
,	O
in	O
time	O
,	O
a	O
separation	O
between	O
the	O
model	O
structure	O
and	O
its	O
data	O
,	O
and	O
a	O
correspondence	O
between	O
the	O
entities	O
in	O
an	O
MP	O
model	O
and	O
data	O
in	O
relational	B-Application
databases	I-Application
.	O
</s>
<s>
The	O
correspondence	O
between	O
modelling	O
entities	O
and	O
relational	B-Application
data	I-Application
models	I-Application
,	O
made	O
then	O
possible	O
to	O
seamlessly	O
generate	O
model	O
instances	O
by	O
fetching	O
data	O
from	O
corporate	O
databases	O
.	O
</s>
<s>
While	O
algebraic	O
modelling	O
languages	O
were	O
typically	O
isolated	O
,	O
specialized	O
and	O
commercial	O
languages	O
,	O
more	O
recently	O
algebraic	O
modelling	O
languages	O
started	O
to	O
appear	O
in	O
the	O
form	O
of	O
open-source	O
,	O
specialized	O
libraries	O
within	O
a	O
general-purpose	O
language	O
,	O
like	O
Gekko	O
or	O
Pyomo	B-Application
for	O
Python	B-Language
or	O
JuMP	O
for	O
the	O
Julia	O
language	O
.	O
</s>
