Information Technology Reference
In-Depth Information
Max-row-aggregation
l
1
l
2
...
l
n
ρ
max
(
A
,
k
0
)
=
a
k
i
,
l
n
)
,
k
0
max
1
m
(
a
k
i
,
l
1
)
max
1
m
(
a
k
i
,
l
2
)...
max
1
m
(
≤
i
≤
≤
i
≤
≤
i
≤
Min-row-aggregation
l
1
l
2
...
l
n
ρ
min
(
A
,
k
0
)
=
a
k
i
,
l
n
)
,
k
0
min
1
m
(
a
k
i
,
l
1
)
min
m
(
a
k
i
,
l
2
)...
min
m
(
≤
i
≤
1
≤
i
≤
1
≤
i
≤
Sum-row-aggregation
l
1
l
2
...
l
n
i
=
1
i
=
1
i
=
1
m
m
m
ρ
sum
(
A
,
k
0
)
=
a
k
i
,
l
n
,
k
0
a
k
i
,
l
1
a
k
i
,
l
2
...
Average-row-aggregation
...
l
1
l
2
l
n
i
=
1
m
i
=
1
m
i
=
1
m
ρ
ave
(
A
,
k
0
)
=
a
k
i
,
l
n
,
1
m
1
m
1
m
k
0
a
k
i
,
l
1
a
k
i
,
l
2
...
Max-column-aggregation
l
0
k
1
max
1
a
k
1
,
l
j
≤
j
≤
n
σ
max
(
A
,
l
0
)
=
,
.
.
k
m
max
1
a
k
m
,
l
j
≤
j
≤
n
Min-column-aggregation
l
0
k
1
min
1
a
k
1
,
l
j
≤
j
≤
n
σ
min
(
A
,
l
0
)
=
,
.
.
k
m
min
1
a
k
m
,
l
j
≤
j
≤
n
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