<s>
The	O
context	B-Algorithm
tree	I-Algorithm
weighting	I-Algorithm
method	I-Algorithm
(	O
CTW	O
)	O
is	O
a	O
lossless	B-Algorithm
compression	I-Algorithm
and	O
prediction	O
algorithm	O
by	O
.	O
</s>
<s>
The	O
CTW	O
algorithm	O
is	O
an	O
“	O
ensemble	B-Algorithm
method	I-Algorithm
”	O
,	O
mixing	O
the	O
predictions	O
of	O
many	O
underlying	O
variable	O
order	O
Markov	O
models	O
,	O
where	O
each	O
such	O
model	O
is	O
constructed	O
using	O
zero-order	O
conditional	O
probability	O
estimators	O
.	O
</s>
