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, O |
without O |
requiring O |
transformation O |
functions O |
to O |
preserve O |
Reversibility O |
Property O |
, O |
Convergence O |
Property O |
2 O |
, O |
Inverse O |
Properties O |
2 O |
and O |
3 O |
. O |
The O |
COT B-KEY |
algorithm O |
is O |
not O |
only O |
simpler O |
and O |
more O |
efficient O |
than O |
prior O |
OT B-KEY |
control O |
algorithms O |
, O |
but O |
also O |
simplifies O |
the O |
design O |
of O |
transformation O |
functions O |
. O |
We O |
have O |
implemented O |
the O |
COT B-KEY |
algorithm O |
in O |
a O |
generic O |
collaboration O |
engine O |
and O |
used O |
it O |
for O |
supporting O |
a O |
range O |
of O |
novel O |
collaborative O |
applications O |
. O |