<s>
Sliding	B-General_Concept
window	I-General_Concept
based	I-General_Concept
part-of-speech	I-General_Concept
tagging	I-General_Concept
is	O
used	O
to	O
part-of-speech	O
tag	O
a	O
text	O
.	O
</s>
<s>
Solving	O
this	O
problem	O
is	O
very	O
important	O
in	O
many	O
areas	O
of	O
natural	B-Language
language	I-Language
processing	I-Language
.	O
</s>
<s>
For	O
example	O
in	O
machine	B-Application
translation	I-Application
changing	O
the	O
part-of-speech	O
of	O
a	O
word	O
can	O
dramatically	O
change	O
its	O
translation	O
.	O
</s>
<s>
Sliding	O
window	O
based	O
part-of-speech	O
taggers	O
are	O
programs	O
which	O
assign	O
a	O
single	O
part-of-speech	O
to	O
a	O
given	O
lexical	O
form	O
of	O
a	O
word	O
,	O
by	O
looking	O
at	O
a	O
fixed	O
sized	O
"	O
window	O
"	O
of	O
words	O
around	O
the	O
word	O
to	O
be	O
disambiguated	B-General_Concept
.	O
</s>
