<s>
Cartesian	B-Algorithm
genetic	I-Algorithm
programming	I-Algorithm
is	O
a	O
form	O
of	O
genetic	B-Algorithm
programming	I-Algorithm
that	O
uses	O
a	O
graph	B-Application
representation	I-Application
to	O
encode	O
computer	B-Application
programs	I-Application
.	O
</s>
<s>
The	O
term	O
‘	O
Cartesian	O
genetic	O
programming’	O
first	O
appeared	O
in	O
1999	O
and	O
was	O
proposed	O
as	O
a	O
general	O
form	O
of	O
genetic	B-Algorithm
programming	I-Algorithm
in	O
2000	O
.	O
</s>
<s>
It	O
is	O
called	O
‘	O
Cartesian’	O
because	O
it	O
represents	O
a	O
program	O
using	O
a	O
two-dimensional	O
grid	O
of	O
nodes	B-Data_Structure
.	O
</s>
<s>
He	O
edited	O
a	O
book	O
entitled	O
Cartesian	B-Algorithm
Genetic	I-Algorithm
Programming	I-Algorithm
,	O
published	O
in	O
2011	O
by	O
Springer	O
.	O
</s>
