<s>
In	O
artificial	B-Algorithm
immune	I-Algorithm
systems	I-Algorithm
,	O
clonal	B-Algorithm
selection	I-Algorithm
algorithms	I-Algorithm
are	O
a	O
class	O
of	O
algorithms	O
inspired	O
by	O
the	O
clonal	O
selection	O
theory	O
of	O
acquired	O
immunity	O
that	O
explains	O
how	O
B	O
and	O
T	O
lymphocytes	O
improve	O
their	O
response	O
to	O
antigens	O
over	O
time	O
called	O
affinity	O
maturation	O
.	O
</s>
<s>
Clonal	B-Algorithm
selection	I-Algorithm
algorithms	I-Algorithm
are	O
most	O
commonly	O
applied	O
to	O
optimization	O
and	O
pattern	O
recognition	O
domains	O
,	O
some	O
of	O
which	O
resemble	O
parallel	O
hill	B-Algorithm
climbing	I-Algorithm
and	O
the	O
genetic	B-Algorithm
algorithm	I-Algorithm
without	O
the	O
recombination	O
operator	O
.	O
</s>
