<s>
The	O
Recursive	B-Application
Porous	I-Application
Agent	I-Application
Simulation	I-Application
Toolkit	I-Application
(	O
Repast	B-Application
)	O
is	O
a	O
widely	O
used	O
free	O
and	O
open-source	O
,	O
cross-platform	O
,	O
agent-based	O
modeling	O
and	O
simulation	O
toolkit	O
.	O
</s>
<s>
Repast	B-Application
has	O
multiple	O
implementations	O
in	O
several	O
languages	O
and	O
built-in	O
adaptive	O
features	O
,	O
such	O
as	O
genetic	B-Algorithm
algorithms	I-Algorithm
and	O
regression	O
.	O
</s>
<s>
Repast	B-Application
was	O
originally	O
developed	O
by	O
David	O
Sallach	O
,	O
Nick	O
Collier	O
,	O
Tom	O
Howe	O
,	O
Michael	O
North	O
and	O
others	O
at	O
the	O
University	O
of	O
Chicago	O
.	O
</s>
<s>
libraries	O
for	O
genetic	B-Algorithm
algorithms	I-Algorithm
,	O
neural	B-Architecture
networks	I-Architecture
,	O
etc	O
.	O
</s>
<s>
supports	O
Java	O
,	O
C#	O
,	O
Managed	B-Language
C++	I-Language
,	O
Visual	O
Basic.Net	O
,	O
Managed	O
Lisp	O
,	O
Managed	O
Prolog	O
,	O
and	O
Python	B-Language
scripting	O
,	O
etc	O
.	O
</s>
