<s>
In	O
computer	B-General_Concept
science	I-General_Concept
,	O
a	O
nearly-sorted	B-Algorithm
sequence	I-Algorithm
,	O
also	O
known	O
as	O
roughly-sorted	B-Algorithm
sequence	I-Algorithm
and	O
as	O
-sorted	O
sequence	O
is	O
a	O
sequence	O
which	O
is	O
almost	O
ordered	O
.	O
</s>
<s>
The	O
nearly-sorted	B-Algorithm
sequences	I-Algorithm
are	O
particularly	O
useful	O
when	O
the	O
exact	O
order	O
of	O
element	O
has	O
little	O
importance	O
.	O
</s>
<s>
For	O
example	O
Twitter	B-Application
nearly	O
sort	O
the	O
tweets	O
,	O
up	O
to	O
the	O
second	O
,	O
as	O
there	O
is	O
no	O
need	O
for	O
more	O
precision	O
.	O
</s>
