Information Technology Reference
In-Depth Information
(max,ave)-column-aggregation
l
l
l
0
,
max
1
m
α
j
,
min
m
β
j
≤
i
≤
1
≤
i
≤
j
=
1
μ
k
1
,
l
j
,
j
=
1
ν
k
1
,
l
j
n
n
k
k
1
n
1
n
k
1
,
α
1
,β
1
σ
max
(
,
l
0
)
=
,
A
.
.
j
=
1
μ
k
m
,
l
j
,
n
j
=
1
ν
k
m
,
l
j
n
k
k
1
n
1
n
k
m
,
α
m
,β
m
(max,min)-column-aggregation
l
l
l
0
,
max
1
m
α
j
,
min
m
β
j
≤
i
≤
1
≤
i
≤
k
k
k
1
,
α
1
,β
1
min
≤
j
≤
n
μ
k
1
,
l
j
,
max
1
≤
j
≤
n
ν
k
1
,
l
j
1
σ
max
(
A
,
l
0
)
=
,
.
.
m
,β
m
k
m
,
α
min
n
μ
k
m
,
l
j
,
max
1
n
ν
k
m
,
l
j
1
≤
j
≤
≤
j
≤
(ave,max)-column-aggregation
j
=
1
α
n
j
=
1
β
n
1
n
l
1
n
l
l
0
,
j
,
j
k
k
k
1
,
α
1
,β
1
max
1
n
μ
k
1
,
l
j
,
min
n
ν
k
1
,
l
j
σ
max
(
A
,
l
0
)
=
,
≤
j
≤
1
≤
j
≤
.
.
m
m
k
m
,
α
,β
max
≤
j
≤
n
μ
k
m
,
l
j
,
min
≤
j
≤
n
ν
k
m
,
l
j
1
1
(ave,ave)-column-aggregation
σ
max
(
,
l
0
)
A
j
=
1
α
n
j
=
1
β
n
1
n
l
1
n
l
l
0
,
j
,
j
j
=
1
μ
k
1
,
l
j
,
j
=
1
ν
k
1
,
l
j
n
n
k
k
1
n
1
n
k
1
,
α
1
,β
1
=
.
.
.
j
=
1
μ
k
m
,
l
j
,
n
j
=
1
ν
k
m
,
l
j
n
k
k
1
n
1
n
k
m
,
α
m
,β
m
Search WWH ::
Custom Search