<s>
IBM	O
's	O
History	B-General_Concept
Flow	I-General_Concept
tool	O
is	O
a	O
visualization	O
tool	O
for	O
a	O
time-sequence	O
of	O
snapshots	O
of	O
a	O
document	O
in	O
various	O
stages	O
of	O
its	O
creation	O
.	O
</s>
<s>
IBM	O
Research	O
has	O
done	O
an	O
analysis	O
of	O
Wikipedia	O
usage	O
and	O
edits	O
using	O
a	O
history	B-General_Concept
flow	I-General_Concept
tool	O
.	O
</s>
<s>
However	O
,	O
a	O
similar	O
tool	O
referencing	O
it	O
is	O
available	O
on	O
GitHub	B-Application
.	O
</s>
