<s>
The	O
NEOS	B-Application
Server	I-Application
is	O
an	O
Internet-based	O
client-server	B-Operating_System
application	O
that	O
provides	O
free	O
access	O
to	O
a	O
library	O
of	O
optimization	B-Application
solvers	I-Application
.	O
</s>
<s>
Its	O
library	O
of	O
solvers	B-Application
includes	O
more	O
than	O
60	O
commercial	O
,	O
free	O
and	O
open	O
source	O
solvers	B-Application
,	O
which	O
can	O
be	O
applied	O
to	O
mathematical	O
optimization	O
problems	O
of	O
more	O
than	O
12	O
different	O
types	O
,	O
including	O
linear	B-Algorithm
programming	I-Algorithm
,	O
integer	B-Algorithm
programming	I-Algorithm
and	O
nonlinear	B-Algorithm
optimization	I-Algorithm
.	O
</s>
<s>
Most	O
of	O
the	O
solvers	B-Application
are	O
hosted	O
by	O
the	O
University	O
of	O
Wisconsin	O
in	O
Madison	O
,	O
where	O
jobs	O
run	O
on	O
a	O
cluster	O
of	O
high-performance	O
machines	O
managed	O
by	O
the	O
HTCondor	B-Operating_System
software	O
.	O
</s>
<s>
A	O
smaller	O
number	O
of	O
solvers	B-Application
are	O
hosted	O
by	O
partner	O
organizations	O
:	O
Arizona	O
State	O
University	O
,	O
the	O
University	O
of	O
Klagenfurt	O
in	O
Austria	O
,	O
and	O
the	O
University	O
of	O
Minho	O
in	O
Portugal	O
.	O
</s>
<s>
The	O
server	O
went	O
live	O
in	O
1996	O
,	O
one	O
of	O
the	O
first	O
examples	O
of	O
software	B-Architecture
as	I-Architecture
a	I-Architecture
service	I-Architecture
.	O
</s>
<s>
The	O
NEOS	B-Application
Server	I-Application
is	O
an	O
Internet-based	O
client-server	B-Operating_System
application	O
that	O
provides	O
access	O
to	O
a	O
library	O
of	O
optimization	B-Application
solvers	I-Application
.	O
</s>
<s>
Most	O
of	O
the	O
linear	B-Algorithm
programming	I-Algorithm
,	O
integer	B-Algorithm
programming	I-Algorithm
and	O
nonlinear	B-Algorithm
programming	I-Algorithm
solvers	B-Application
accept	O
input	O
from	O
AMPL	B-Language
and/or	O
GAMS	B-Application
.	O
</s>
<s>
Jobs	O
can	O
be	O
submitted	O
via	O
a	O
web	O
page	O
,	O
email	O
,	O
XML	B-Protocol
RPC	I-Protocol
,	O
Kestrel	O
or	O
indirectly	O
via	O
third	O
party	O
submission	O
tools	O
SolverStudio	O
for	O
Excel	O
,	O
OpenSolver	O
,	O
Pyomo	B-Application
,	O
JuMP	O
(	O
through	O
the	O
Julia	O
package	O
NEOS	O
)	O
and	O
the	O
R	O
package	O
rneos	O
.	O
</s>
<s>
NEOS	O
uses	O
the	O
HTCondor	B-Operating_System
software	O
to	O
manage	O
the	O
workload	O
on	O
a	O
dedicated	O
cluster	O
of	O
computers	O
.	O
</s>
