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windowing O |
environment O |
behind O |
a O |
backend O |
, O |
which O |
is O |
also O |
responsible O |
for O |
creating O |
the O |
main O |
container O |
for O |
the O |
scene B-Data_Structure |
graph I-Data_Structure |
; O |
this O |
top O |
level O |
container O |
is O |
called O |
the O |
stage O |
. O |
</s> |
<s> |
The O |
PH-tree B-Data_Structure |
uses O |
the O |
bits O |
of O |
the O |
multi-dimensional O |
keys O |
to O |
determine O |
their O |
position O |
in O |
the O |
tree O |
. O |
</s> |
<s> |
A O |
common O |
extension O |
of O |
radix B-Data_Structure |
trees I-Data_Structure |
uses O |
two O |
colors O |
of O |
nodes O |
, O |
' O |
black O |
' O |
and O |
' O |
white O |
' O |
. O |
</s> |
<s> |
This O |
special-purpose O |
device O |
helps O |
a O |
router B-Protocol |
perform O |
one O |
of O |
its O |
core O |
and O |
repeated O |
functions O |
very O |
fast O |
: O |
address O |
lookup B-Data_Structure |
. O |
</s> |
<s> |
Array B-Data_Structure |
partitioning O |
can O |
improve O |
access O |
to O |
Subsets and Splits