<s>
Comet	B-Language
is	O
a	O
commercial	O
programming	O
language	O
designed	O
by	O
Brown	O
University	O
professor	O
Dr.	O
Pascal	O
Van	O
Hentenryck	O
used	O
to	O
solve	O
complex	O
combinatorial	O
optimization	O
problems	O
in	O
areas	O
such	O
as	O
resource	B-Algorithm
allocation	I-Algorithm
and	O
scheduling	O
.	O
</s>
<s>
It	O
offers	O
a	O
range	O
of	O
optimization	O
algorithms	O
:	O
from	O
mathematical	O
programming	O
to	O
constraint	B-Application
programming	I-Application
,	O
local	B-Application
search	I-Application
algorithm	I-Application
and	O
"	O
dynamic	O
stochastic	O
combinatorial	O
optimization.	O
"	O
</s>
<s>
Comet	B-Language
programs	O
specify	O
local	B-Application
search	I-Application
algorithms	O
as	O
two	O
components	O
:	O
</s>
<s>
a	O
high-level	O
model	O
describing	O
the	O
applications	O
in	O
terms	O
of	O
constraints	B-Application
,	O
constraint	B-Application
combinators	O
,	O
and	O
objective	O
functions	O
;	O
</s>
<s>
This	O
approach	O
promotes	O
reusability	B-Application
across	O
applications	O
.	O
</s>
<s>
Its	O
API	B-General_Concept
allows	O
it	O
to	O
be	O
used	O
as	O
a	O
software	B-Library
library	I-Library
.	O
</s>
<s>
Comet	B-Language
also	O
features	O
high-level	O
abstractions	O
for	O
parallel	B-Operating_System
and	O
distributed	B-Architecture
computing	I-Architecture
,	O
based	O
on	O
loop	B-Operating_System
scheduling	I-Operating_System
,	O
interruptions	O
,	O
and	O
work	O
stealing	O
.	O
</s>
