<s>
Machine	O
learning	O
is	O
a	O
subfield	O
of	O
soft	B-General_Concept
computing	I-General_Concept
within	O
computer	B-General_Concept
science	I-General_Concept
that	O
evolved	O
from	O
the	O
study	O
of	O
pattern	O
recognition	O
and	O
computational	O
learning	B-General_Concept
theory	I-General_Concept
in	O
artificial	B-Application
intelligence	I-Application
.	I-Application
</s>
<s>
Computational	O
learning	B-General_Concept
theory	I-General_Concept
studying	O
the	O
design	O
and	O
analysis	O
of	O
machine	B-Algorithm
learning	I-Algorithm
algorithms	I-Algorithm
.	O
</s>
<s>
Ensemble	B-General_Concept
averaging	I-General_Concept
process	O
of	O
creating	O
multiple	O
models	O
and	O
combining	O
them	O
to	O
produce	O
a	O
desired	O
output	O
,	O
as	O
opposed	O
to	O
creating	O
just	O
one	O
model	O
.	O
</s>
<s>
Minimum	O
message	O
length	O
(	O
decision	B-Application
trees	I-Application
,	O
decision	B-Algorithm
graphs	I-Algorithm
,	O
etc	O
.	O
)	O
</s>
<s>
Active	B-General_Concept
learning	I-General_Concept
special	O
case	O
of	O
semi-supervised	B-General_Concept
learning	I-General_Concept
in	O
which	O
a	O
learning	O
algorithm	O
is	O
able	O
to	O
interactively	O
query	O
the	O
user	O
(	O
or	O
some	O
other	O
information	O
source	O
)	O
to	O
obtain	O
the	O
desired	O
outputs	O
at	O
new	O
data	O
points	O
.	O
</s>
