<s>
K-optimal	B-Algorithm
pattern	I-Algorithm
discovery	I-Algorithm
is	O
a	O
data	B-Application
mining	I-Application
technique	O
that	O
provides	O
an	O
alternative	O
to	O
the	O
frequent	B-Algorithm
pattern	I-Algorithm
discovery	I-Algorithm
approach	O
that	O
underlies	O
most	O
association	B-Algorithm
rule	I-Algorithm
learning	I-Algorithm
techniques	O
.	O
</s>
<s>
Frequent	B-Algorithm
pattern	I-Algorithm
discovery	I-Algorithm
techniques	O
find	O
all	O
patterns	O
for	O
which	O
there	O
are	O
sufficiently	O
frequent	O
examples	O
in	O
the	O
sample	O
data	O
.	O
</s>
<s>
In	O
contrast	O
,	O
k-optimal	B-Algorithm
pattern	I-Algorithm
discovery	I-Algorithm
techniques	O
find	O
the	O
k	O
patterns	O
that	O
optimize	O
a	O
user-specified	O
measure	O
of	O
interest	O
.	O
</s>
<s>
Examples	O
of	O
k-optimal	B-Algorithm
pattern	I-Algorithm
discovery	I-Algorithm
techniques	O
include	O
:	O
</s>
<s>
k-optimal	O
classification	O
rule	B-Algorithm
discovery	I-Algorithm
.	O
</s>
<s>
k-optimal	O
rule	B-Algorithm
discovery	I-Algorithm
.	O
</s>
<s>
In	O
contrast	O
to	O
k-optimal	O
rule	B-Algorithm
discovery	I-Algorithm
and	O
frequent	B-Algorithm
pattern	I-Algorithm
mining	I-Algorithm
techniques	O
,	O
subgroup	O
discovery	O
focuses	O
on	O
mining	O
interesting	O
patterns	O
with	O
respect	O
to	O
a	O
specified	O
target	O
property	O
of	O
interest	O
.	O
</s>
