T
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L
KO
M
NIK
A
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ol
.
17
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No.
6,
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be
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em
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istekdikti,
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ee
No: 2
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K
P
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18
DOI:
10.12928/TE
LK
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)
h
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rt
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v
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e
fro
m
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Da
ta
An
a
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ti
c
s
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(b
)
i
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fi
e
s
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ti
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n
,
a
n
d
(
c
) p
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o
v
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s
a
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s
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c
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ti
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s
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t
h
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s
f
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e
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d
.
Key
w
ords
:
b
i
g
d
a
ta
,
b
i
g
d
a
ta
a
n
a
l
y
ti
c
s
,
d
e
c
i
s
i
o
n
-
m
a
k
i
n
g
,
e
n
t
e
rp
ri
s
e
,
v
a
l
u
e
c
r
e
a
ti
o
n
Copy
righ
t
©
2
0
1
9
Uni
v
e
rsi
t
a
s
Ahm
a
d
D
a
hl
a
n.
All
rig
ht
s
r
e
s
e
rve
d
.
1.
Int
r
o
d
u
ctio
n
In
the
wor
l
d
of
bu
s
i
ne
s
s
,
e
no
r
m
ou
s
op
erati
o
na
l
an
d
f
i
na
nc
i
al
d
ata
are
s
tored
a
t
m
i
l
l
i
on
s
of
di
v
ers
e
da
tas
ets
.
G
a
nt
z
an
d
Rei
ns
el
[1]
ex
pl
ai
n
B
i
g
Data
(
B
D)
as
an
em
ergent
ge
n
erati
on
of
tec
hn
o
l
og
i
es
a
nd
arc
h
i
tec
t
ures
f
or
ec
on
om
i
c
al
ex
tr
ac
ti
on
of
v
al
ue
f
r
om
the
hu
g
e
am
ou
nts
o
f
di
v
ers
e
da
ta
thro
ug
h
h
i
g
h
-
s
pe
ed
da
ta
ex
pl
orati
on
,
c
ol
l
ec
ti
on
,
an
d
an
a
l
y
s
i
s
.
No
wada
y
s
,
en
terpr
i
s
es
are
d
i
s
c
ov
er
i
ng
l
ar
ge
v
ol
um
es
of
ex
tr
em
el
y
d
eta
i
l
ed
d
ata
to
f
i
nd
ou
t
f
ac
ts
the
y
f
a
i
l
e
d
to
k
no
w
pre
v
i
ou
s
l
y
[2]
.
T
he
v
a
l
ue
-
c
r
ea
t
i
o
n
h
as
tur
ne
d
i
n
to
the
de
term
i
na
nt
prer
eq
u
i
s
i
te
of
s
us
tai
na
bi
l
i
t
y
f
or
en
t
erpr
i
s
e
s
.
B
es
i
de
s
i
t
m
a
y
pro
v
i
de
t
he
m
w
i
th
prof
i
t
m
ax
i
m
i
z
at
i
on
,
c
us
t
om
ers
’
r
ete
nt
i
on
,
bu
s
i
ne
s
s
ob
j
ec
t
i
v
es
f
ul
f
i
l
l
m
en
t,
an
d
c
on
s
i
de
r
ab
l
e
i
nc
om
e
ge
ne
r
at
i
on
.
Cr
ea
ti
ng
v
a
l
ue
i
s
a
d
i
f
f
i
c
ul
t
proc
e
du
r
e,
p
arti
c
ul
arl
y
i
f
i
t
i
n
v
o
l
v
es
i
nte
r
na
l
an
d
ex
tern
al
p
aram
ete
r
s
f
o
r
orga
ni
z
at
i
on
s
.
If
thi
s
proc
ed
ure
i
s
us
ed
f
or
B
D
s
c
en
ari
os
,
th
e
f
orm
ati
on
of
v
al
ue
s
ho
u
l
d
be
f
ou
nd
a
nd
r
ec
og
ni
z
e
d
thr
ou
g
h
a
r
a
the
r
c
om
pl
ex
proc
es
s
.
W
i
th
c
r
ea
ti
ng
f
urther
da
ta,
c
us
tom
ar
y
arc
hi
tec
tures
an
d
i
nf
r
as
tr
uc
tures
ha
v
e
f
ac
ed
wi
th
a g
r
e
at
c
ha
l
l
en
g
e f
or pr
oc
es
s
i
n
g
l
arge
v
ol
um
es
of
da
ta
as
a
ti
m
el
y
an
d
ef
f
i
c
i
en
t
m
an
ne
r
.
P
r
og
r
es
s
i
v
e
l
y
,
c
om
pa
n
i
es
ar
e
d
i
s
c
ov
eri
ng
ho
w
B
D
c
a
n
be
u
ti
l
i
z
ed
f
or
c
r
ea
ti
ng
an
d
c
a
ptu
r
i
ng
v
al
u
e
[
3]
.
F
or
ef
f
ec
ti
v
e
v
a
l
u
e
c
r
e
ati
o
n
a
t
i
s
s
ue
,
organ
i
z
ati
on
s
m
us
t d
i
s
c
ov
e
r
m
od
ern s
pe
c
i
al
ap
pro
ac
h
es
to
proc
es
s
l
arge
da
tas
e
t
s
.
B
i
g
Data
A
n
al
y
ti
c
s
(
B
D
A
)
,
w
h
i
c
h
i
s
a
l
s
o
c
al
l
e
d
bi
g
da
ta
m
i
ni
n
g,
i
s
th
e
proc
ed
ure
of
de
tec
t
i
ng
f
ea
s
i
bl
e
k
no
w
l
e
dg
e
m
od
el
s
f
r
o
m
l
arge
da
tas
ets
[4
]
.
Co
nte
m
po
r
ar
y
en
t
erpr
i
s
es
c
on
s
i
de
r
a
bl
y
tak
e
ad
v
a
nt
ag
e
of
B
D
as
a
t
oo
l
prov
i
de
s
t
he
m
w
i
t
h
a
c
om
prehen
s
i
v
e
un
de
r
s
ta
nd
i
ng
of
d
ata
as
s
oc
i
ate
d
wi
t
h
b
oth
c
us
tom
ers
an
d
en
t
erpr
i
s
es
.
B
D
A
c
an
he
l
p
att
a
i
n
bu
s
i
n
es
s
ob
j
ec
ti
v
es
,
l
ea
di
ng
to
c
us
tom
ers
’
r
ete
nt
i
o
n
a
nd
y
i
e
l
d
m
ax
i
m
i
z
ati
on
.
B
D
A
he
l
ps
i
n
att
a
i
ni
ng
V
2C
an
d
V
2F
g
oa
l
s
as
i
t
pe
r
m
i
ts
c
o
m
pa
ni
es
to
c
arr
y
ou
t
k
no
wl
e
dg
e
d
i
s
c
ov
er
y
proc
es
s
es
an
d
de
v
e
l
op
m
o
de
l
s
of
ex
ternal
an
d
i
nt
ern
al
bu
s
i
n
es
s
proc
ed
ures
c
orr
es
po
nd
i
ng
to
op
erat
i
o
ns
,
m
ar
k
eti
ng
s
tr
a
teg
i
es
,
s
ou
r
c
e
an
d
pe
r
s
o
nn
e
l
m
an
ag
em
en
t,
j
us
t
t
o
na
m
e
a
f
e
w
.
T
he
B
DA
proc
ed
ure
al
l
o
w
s
c
o
m
pa
ni
es
to
d
i
s
c
ov
er
th
e
no
n
-
s
top
a
l
tera
t
i
o
n
of
k
no
wl
ed
ge
m
od
el
s
an
d
c
on
s
eq
ue
ntl
y
i
m
prov
e
the
i
r
b
us
i
ne
s
s
proc
ed
ure
pa
tt
erns
.
B
DA
no
t
on
l
y
en
ha
nc
es
tr
an
s
pa
r
en
c
y
f
or
the
en
ter
pris
es
bu
t
a
l
s
o
m
a
k
es
i
t
s
i
m
pl
er
f
or
the
m
to
c
on
ti
n
uo
us
l
y
c
o
l
l
ec
t
an
d
s
tu
d
y
op
era
ti
o
na
l
an
d
ec
on
om
i
c
da
ta
[
3,
5
-
7]
.
B
D
A
pro
v
i
de
s
be
ne
f
i
c
i
al
i
nf
or
m
ati
on
al
l
o
w
i
ng
m
an
ag
ers
to
m
ak
e
c
on
s
i
de
r
ab
l
y
ef
f
ec
ti
v
e
de
c
i
s
i
o
ns
ac
c
ordi
n
g
to
t
h
e
c
on
d
i
ti
on
s
of
the
m
ark
et
[8]
.
N
o
w
ad
a
y
s
,
B
DA
h
as
be
en
us
ed
i
n
di
v
ers
e
areas
of
bu
s
i
ne
s
s
s
uc
h
as
c
us
t
om
e
r
an
a
l
y
s
i
s
[9
-
13]
,
pr
od
uc
t
a
n
d
s
erv
i
c
e
i
n
v
en
t
i
o
n
[14
-
1
7]
,
m
ar
k
et
predi
c
ti
on
[1
8
-
20]
,
s
up
pl
y
c
ha
i
n
an
d
pe
r
f
or
m
an
c
e m
an
ag
em
en
t
[21
-
24]
, ris
k
m
an
ag
e
m
en
t, a
nd
f
r
au
d d
ete
c
ti
on
[
14
,
1
5]
.
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KO
M
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A
IS
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3
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ts
an
d
s
er
v
i
c
es
,
an
d
c
os
ts
r
ed
uc
t
i
on
.
S
c
i
e
nti
s
ts
ha
v
e
tr
a
di
t
i
on
al
l
y
ex
pl
ore
d
pa
r
ti
c
u
l
ar
ac
ti
v
i
ti
es
an
d
as
s
ets
pe
r
t
i
ne
nt
t
o
th
e
pres
en
t
i
nv
es
ti
g
at
i
o
n
b
y
f
oc
us
i
ng
ex
am
i
na
ti
on
s
on
s
ub
j
ec
t
s
l
i
k
e
d
ata
ga
the
r
i
ng
(
e.g
.,
[2
6]
)
,
da
ta
a
na
l
y
s
i
s
(
e.g
.,
[2
7]
)
,
an
d
IT
-
m
ed
i
ate
d
i
nf
orm
ati
on
d
el
i
v
er
y
(
e.g
.,
[2
8]
)
,
c
on
s
i
d
erab
l
y
de
m
on
s
tr
ati
n
g
the
wa
y
of
ge
ne
r
ati
ng
v
a
l
ue
f
r
om
a
hu
ge
am
ou
nt
of
da
tas
ets
.
Not
w
i
ths
tan
di
ng
,
t
he
r
e
i
s
s
ti
l
l
i
n
ad
e
qu
a
te
i
nf
orm
ati
on
ab
ou
t
t
hi
s
v
er
y
i
s
s
ue
t
ha
t,
f
or
i
ns
tan
c
e
,
ho
w
u
ni
qu
e
ac
ti
v
i
ti
es
an
d
propert
i
es
are
c
on
c
om
i
tan
tl
y
em
pl
o
y
e
d
to
ge
ne
r
a
te
v
a
l
ue
[
29
-
3
2]
.
I
m
pl
e
m
en
ti
ng
B
DA
c
a
n
g
en
erate
v
al
ue
f
or
an
org
an
i
z
ati
on
?
W
ha
t f
urt
he
r
v
al
ue
do
es
B
D
A
pro
v
i
d
e c
om
pa
r
ed
to
i
ts
ot
he
r
c
o
u
nte
r
pa
r
ts
?
W
hy
s
ho
ul
d
e
nte
r
pris
es
c
h
oo
s
e
B
DA
to
ge
ne
r
ate
v
al
ue
wh
en
t
he
r
e
are
s
e
v
era
l
tec
h
ni
qu
es
a
v
a
i
l
ab
l
e
to
th
i
s
en
d?
A
nd
ho
w en
t
erpr
i
s
es
c
an
c
r
ea
t
e v
al
ue
f
r
om
B
DA
?
In
t
he
pres
en
t
s
tu
d
y
,
th
e
a
tte
m
pt
i
s
m
ad
e
to
pro
v
i
de
a
c
om
prehen
s
i
v
e
i
nv
es
ti
g
a
ti
on
of
the
r
ol
e
of
B
D
A
i
n
v
al
ue
c
r
ea
ti
o
n
an
d
h
o
w
i
t
g
en
era
t
es
v
al
ue
throu
gh
th
e
bu
s
i
ne
s
s
an
al
y
t
i
c
s
f
un
c
ti
on
.
T
hi
s
s
tud
y
i
s
di
s
t
i
nc
t
f
r
o
m
[33
-
35
]
wi
th
r
es
p
e
c
t
to
(
a)
m
ere
f
oc
us
on
th
e
v
al
ue
c
r
e
ati
on
throug
h
B
D
A
, (
b) i
n
-
de
pth
i
nv
es
t
i
ga
ti
o
n
of
th
e
ex
t
an
t
B
DA
m
eth
od
s
,
a
nd
(
c
)
prec
i
s
e
i
de
nti
f
i
c
at
i
on
of
the
i
nte
gr
al
f
ac
tors
an
d
f
ul
l
-
f
l
ed
ge
d
di
s
c
us
s
i
o
n
of
the
i
r
ef
f
ec
ts
on
v
al
ue
c
r
ea
t
i
on
.
T
he
r
es
t
o
f
the
pa
p
er
i
s
org
an
i
z
e
d
as
f
ol
l
o
w
s
.
S
ec
t
i
on
2
pres
en
ts
the
f
ac
tors
em
pl
o
y
ed
to
as
s
es
s
B
i
g
Da
ta
A
na
l
y
t
i
c
s
-
ba
s
ed
(
B
D
A
-
ba
s
ed
)
v
al
ue
c
r
e
at
i
o
n
tec
h
ni
qu
es
.
S
ec
t
i
on
3
de
a
l
s
w
i
t
h
a
n
ac
tua
l
s
urv
e
y
of
di
f
f
erent
B
DA
-
ba
s
e
d
v
al
ue
c
r
ea
ti
on
t
ec
hn
i
qu
es
ha
v
i
ng
b
ee
n
of
f
ered
an
d
pu
bl
i
s
h
ed
s
o
f
ar.
T
he
pros
an
d
c
on
s
of
B
DA
-
ba
s
ed
v
al
ue
c
r
ea
t
i
on
t
ec
h
ni
q
ue
s
are
i
l
l
us
tr
ate
d
i
n
s
e
c
ti
on
4.
F
i
na
l
l
y
,
s
ec
ti
on
5 c
o
nc
l
ud
es
o
ur s
ur
v
e
y
.
2.
T
h
e E
v
aluat
ion
Cr
it
e
r
ia
of
BD
A
-
B
as
ed
V
alue C
r
e
atio
n
E
v
al
u
ati
on
c
r
i
t
eria
as
s
oc
i
a
ted
wi
th
t
he
B
DA
-
ba
s
ed
v
al
u
e
c
r
ea
ti
on
t
ec
hn
i
qu
es
wi
l
l
be
de
s
c
r
i
be
d
i
n
t
hi
s
s
ec
ti
o
n.
T
he
m
os
t
c
o
m
m
on
c
r
i
teri
a
di
s
c
us
s
ed
i
n
art
i
c
l
es
a
nd
s
tu
di
es
b
y
c
on
s
i
d
er
i
ng
al
l
as
p
ec
ts
of
th
e B
DA
-
b
as
ed
v
a
l
ue
c
r
ea
ti
on
are
l
i
s
t
ed
as
f
ol
l
o
w
s
.
2
.1.
B
as
i
c I
d
ea
T
he
ba
s
i
c
i
de
a p
aram
ete
r
s
pe
c
i
f
i
es
th
e f
un
d
am
en
tal
th
eo
r
y
of
th
e
d
i
s
c
us
s
ed
B
DA
-
ba
s
ed
v
a
l
ue
g
en
er
ati
on
tec
h
ni
qu
es
w
h
i
c
h
i
s
a
pp
l
i
e
d
to
d
et
erm
i
ne
the
prer
eq
ui
s
i
t
es
of
the
pres
en
ted
m
eth
od
s
. T
he
ba
s
i
c
i
d
ea
m
a
y
be
t
he
oret
i
c
a
l
, c
on
c
e
ptu
al
,
or em
pi
r
i
c
al
.
2
.
2
.
In
sigh
t
T
y
p
e
T
he
i
de
a
of
v
a
l
u
e
c
r
ea
t
i
on
i
n
B
D
-
b
as
ed
e
nv
i
r
on
m
en
t
s
an
d
s
i
t
ua
t
i
o
ns
i
s
i
de
n
ti
f
i
ed
as
i
ns
i
g
ht
f
or
organ
i
z
ati
on
a
l
i
m
prov
e
m
en
ts
.
T
he
i
ns
i
gh
t
t
y
pe
m
a
y
be
as
s
oc
i
ate
d
wi
th
c
us
tom
er
an
a
l
y
s
i
s
,
pro
du
c
t
an
d
s
er
v
i
c
e
i
nn
o
v
a
ti
o
n,
m
ar
k
et
forec
as
t,
s
up
pl
y
c
ha
i
n
an
d
p
erf
or
m
an
c
e
m
an
ag
em
en
t, ri
s
k
m
an
ag
e
m
en
t, a
nd
f
r
au
d d
ete
c
ti
on
.
2
.
3
.
V
alu
e Cr
ea
t
ion
P
er
spectiv
e
V
al
ue
c
r
ea
t
i
o
n
s
ho
u
l
d
be
t
he
u
l
ti
m
ate
ob
j
ec
ti
v
e
of
ev
er
y
B
D
s
tr
ate
g
y
.
H
o
w
e
v
er,
i
t
i
s
s
ti
l
l
on
e
of
tho
s
e
term
s
ea
s
i
l
y
us
ed
b
y
t
he
m
aj
orit
y
of
s
o
-
c
al
l
e
d
s
c
ho
l
ars
l
ac
k
i
ng
an
ad
eq
u
ate
un
de
r
s
ta
nd
i
ng
of
the
da
t
a
-
to
-
v
a
l
ue
proc
es
s
. W
e
c
on
s
i
de
r
v
al
ue
f
r
om
tw
o
p
ers
pe
c
ti
v
es
:
(
a)
v
al
ue
to
th
e
C
us
tom
er
(
V
2C)
an
d
(
b
)
v
al
ue
to
the
F
i
r
m
(
V
2F)
tha
t
are
s
om
eti
m
es
al
s
o
r
ef
err
ed
to
as
"
v
al
u
e d
el
i
v
er
y
an
d
v
al
u
e e
x
tr
ac
ti
on
"
.
2
.
4
.
A
n
al
y
t
ic
s T
y
p
e
O
r
ga
ni
z
at
i
o
ns
ten
di
n
g
to
prom
ote
the
i
r
pe
r
f
or
m
an
c
e
b
y
ap
pl
y
i
ng
a
c
om
pe
ti
ti
v
e
l
an
ds
c
ap
e
m
a
y
u
nd
o
ub
t
e
dl
y
r
e
qu
i
r
e
s
k
i
l
l
s
to
no
t
on
l
y
an
al
y
z
e
the
hi
s
tor
i
c
al
d
ata
b
ut
al
s
o
pro
gn
os
t
i
c
ate
t
he
f
utu
r
e.
T
hu
s
,
the
an
a
l
y
t
i
c
s
tha
t
c
an
be
us
ed
b
y
organ
i
z
at
i
on
s
to
ac
qu
i
r
e
an
i
n
-
de
pth
un
d
ers
tan
d
i
n
g
as
a
v
er
y
prer
e
qu
i
s
i
te
to
pr
om
ote
th
ei
r
bu
s
i
ne
s
s
c
an
b
e c
l
as
s
i
f
i
ed
i
nto
three d
es
c
r
i
pti
v
e
, p
r
e
di
c
ti
v
e
, a
nd
pres
c
r
i
pt
i
v
e g
r
o
up
s
.
2
.
5
. B
ig Dat
a
A
n
al
y
t
i
cs
S
t
r
ateg
y
B
ef
ore
s
tarti
n
g
up
an
an
a
l
y
t
i
c
al
ex
erc
i
s
e,
be
i
n
g
a
w
are
of
the
be
n
ef
i
t
s
an
d
di
s
ad
v
a
nta
g
es
of
the
g
i
v
en
an
al
y
s
i
s
s
tr
ate
g
y
i
s
a
m
att
er
of
great
i
m
po
r
tan
c
e.
T
he
B
DA
s
tr
at
eg
y
m
ay
b
e
P
r
ob
l
em
S
ol
v
i
ng
,
Data
Mo
de
l
i
n
g,
Col
l
at
eral
Catc
h,
an
d
Da
ta
m
i
ni
ng
.
W
h
en
da
ta
are
s
tr
uc
tured,
an
d
th
e
pro
bl
e
m
i
s
s
pe
c
i
f
i
c
,
B
DA
s
tr
at
eg
y
i
s
de
f
i
ne
d
as
a
prob
l
em
-
s
ol
v
i
n
g
s
tr
ate
g
y
.
If
da
ta
are
u
ns
tr
uc
tured
bu
t
t
he
prob
l
em
i
s
f
r
a
m
e
d,
th
e
B
DA
s
tr
ate
g
y
i
s
d
ef
i
ne
d
as
d
ata
Evaluation Warning : The document was created with Spire.PDF for Python.
◼
IS
S
N: 16
93
-
6
93
0
T
E
L
KO
M
NIK
A
V
ol
.
17
,
No
.
6,
D
ec
em
be
r
20
19
:
27
9
0
-
2802
2792
m
od
el
i
ng
.
T
he
di
f
f
erenc
e
i
s
tha
t,
i
n
prob
l
em
-
s
ol
v
i
n
g,
the
f
oc
us
i
s
m
ore
on
d
ata
,
pa
r
ti
c
u
l
ar
l
y
on
the
us
e
of
ne
w
da
t
a
s
ou
r
c
e
s
.
T
he
da
ta
m
i
ni
ng
a
pp
r
o
a
c
h
i
s
a
s
u
bs
tan
t
i
a
l
l
y
ex
pl
or
ati
v
e
an
a
l
y
ti
c
a
l
s
tr
ate
g
y
.
T
y
pi
c
a
l
l
y
,
da
t
a
are
no
t
s
tr
uc
tured,
an
d
the
r
e
i
s
no
de
f
i
n
ed
pr
ob
l
em
to
gu
i
de
the
a
na
l
y
s
i
s
.
W
he
n
da
ta
ar
e
de
f
i
n
ed
bu
t
t
he
prob
l
em
i
s
un
de
f
i
n
ed
,
an
a
l
y
s
ts
m
a
y
di
s
c
ov
er
ne
w
r
el
at
i
on
s
h
i
ps
whe
n
B
D
A
s
tr
ate
g
y
i
s
a
c
ol
l
at
eral
c
atc
h.
2
.
6
.
P
r
iv
ac
y a
n
d
D
ata
P
r
o
t
ec
t
ion
B
i
g
Dat
a
c
r
ea
tes
s
erio
us
s
ec
urit
y
c
h
al
l
e
ng
es
b
ec
au
s
e
c
on
s
um
ers
are
en
ti
r
el
y
un
a
w
are
of
tho
s
e
who
us
e
th
ei
r
da
t
a
an
d
f
or
w
h
at
r
e
as
on
s
.
V
ar
i
ou
s
s
ec
urit
y
i
s
s
ue
s
,
i
nc
l
ud
i
ng
priv
ac
y
an
d
c
on
f
i
de
nt
i
a
l
i
t
y
,
are c
urr
en
t
an
d f
utu
r
e f
un
da
m
en
tal
i
s
s
ue
s
i
n
th
e
v
al
u
e c
r
ea
t
i
on
f
r
om
B
DA
.
2
.
7
.
D
ata Int
egr
it
y
A
l
t
ho
u
gh
the
bi
gg
es
t
c
ha
l
l
en
ge
s
i
n
t
he
B
D
era
s
e
em
to
be
as
s
oc
i
ate
d
wi
th
da
t
a
c
ol
l
ec
t
i
on
an
d
s
tora
ge
,
we
be
l
i
e
v
e
t
ha
t
th
e
r
ea
l
probl
em
i
s
the
i
nte
g
r
at
i
o
n
o
f
v
ario
us
da
t
a
s
ou
r
c
es
to
r
ea
l
i
z
e
s
uc
c
es
s
ful
B
D
v
al
u
e
c
r
ea
ti
on
.
T
hi
s
i
s
be
c
au
s
e
m
an
y
of
da
ta
s
o
urc
es
are
no
t
bu
i
l
t
up
as
a
wa
y
t
o
be
i
n
teg
r
ate
d
wi
t
h
oth
er
da
ta
s
ou
r
c
es
,
a
nd
al
s
o
t
he
da
t
a
s
ou
r
c
es
of
ten
c
on
tai
n
da
t
a
v
ar
i
at
i
on
s
th
at
ne
e
d
f
urther
proc
e
s
s
i
n
g
to
c
r
ea
te
us
ef
ul
i
nf
or
m
ati
on
.
T
he
da
ta
i
nte
grit
y
pa
r
am
ete
r
v
erif
i
es
the
c
om
pl
ete
ne
s
s
,
ac
c
ura
c
y
,
a
nd
c
on
s
i
s
te
nc
y
of
d
at
a
i
n
di
s
c
us
s
ed
B
DA
-
b
as
ed
v
a
l
u
e g
e
ne
r
at
i
o
n t
ec
hn
i
q
ue
s
.
3.
V
alue C
r
ea
t
ion
f
r
o
m Bi
g
Data
A
n
al
ytics
S
o
lut
ion
s
In
the
pres
en
t
s
ec
t
i
on
,
the
s
ol
ut
i
on
s
pro
po
s
ed
i
n
t
he
s
c
i
en
t
i
f
i
c
j
ou
r
na
l
s
,
b
oo
k
s
,
es
s
a
y
s
,
an
d
c
o
nf
erenc
es
a
bo
ut
v
al
ue
c
r
ea
t
i
o
n
t
hroug
h
B
DA
a
r
e
pres
en
t
ed
.
Com
pa
r
ati
v
e
an
a
l
y
s
i
s
a
nd
c
r
i
ti
c
al
d
i
s
c
us
s
i
on
of
the
s
e
s
ol
uti
on
s
wi
l
l
be
pres
e
nte
d
i
n
d
eta
i
l
i
n
t
he
f
ol
l
o
wi
ng
s
ec
ti
on
.
Li
m
et
al
.
[3
6]
r
ec
og
ni
z
e
d
ni
ne
m
ai
n
pa
r
am
ete
r
s
(
na
m
el
y
da
t
as
et,
d
ata
ga
the
r
i
n
g,
d
ata
,
da
ta
an
a
l
y
s
i
s
,
i
nf
or
m
ati
o
n
as
s
oc
i
at
ed
wi
th
the
da
tas
et
,
i
nf
or
m
ati
on
d
i
s
tr
i
bu
ti
on
,
us
ers
,
i
nf
orm
ati
on
-
de
r
i
v
ed
v
a
l
u
e,
an
d
s
up
pl
i
er
n
et
w
ork
as
s
ho
w
n
i
n
F
i
gu
r
e
1)
po
r
tr
a
y
i
ng
da
ta
-
dri
v
e
n
v
a
l
ue
ge
ne
r
at
i
o
n
i
n
i
nf
or
m
ati
o
n
-
i
nt
en
s
i
v
e
s
erv
i
c
es
)
II
S
s
)
.
T
he
af
orem
en
ti
on
ed
p
aram
ete
r
s
w
ere
ex
tr
ac
ted
f
r
o
m
14
9
s
erv
i
c
e
c
as
es
an
d
s
i
x
ac
t
i
on
s
t
ud
i
es
,
e.g
.
,
he
al
t
h
(
ph
y
s
i
c
al
a
nd
m
en
tal
)
,
he
a
l
thc
are
prov
i
s
i
on
,
au
to
m
an
uf
ac
turi
ng
,
i
nf
orm
ati
on
tec
hn
o
l
og
y
,
tel
e
c
om
,
an
d
tr
an
s
po
r
tat
i
o
n).
Mo
r
eo
v
er,
a
f
r
a
m
ew
ork
w
as
pres
en
te
d
f
or
da
ta
us
ag
e
a
nd
m
an
ag
em
en
t
to
i
m
prov
e
v
a
l
u
e
c
r
ea
ti
on
i
n
t
he
s
e
s
erv
i
c
es
.
T
he
s
e
s
tud
i
es
i
nc
l
ud
e
d
th
e
an
a
l
y
s
i
s
of
da
ta
de
r
i
v
ed
f
r
o
m
the
r
ea
l
c
on
di
t
i
o
n
i
n
the
are
as
un
d
er
s
tud
y
as
w
e
l
l
as
t
he
i
n
t
erv
i
e
w
s
wi
th
r
el
ate
d
IT
an
d
m
an
ag
em
en
t
sc
i
en
ti
s
ts
a
nd
s
p
ec
i
a
l
i
s
ts
.
G
i
v
en
the
i
r
d
i
f
f
erenc
es
,
the
s
e
proj
ec
ts
pro
v
i
de
d
a
v
a
l
u
ab
l
e
un
de
r
s
ta
nd
i
ng
of
th
e d
ata
-
to
-
v
a
l
ue
proc
es
s
.
F
i
gu
r
e
1.
N
i
ne
pa
r
am
ete
r
s
fo
r
th
e
data
-
to
-
v
a
l
u
e
proc
es
s
i
n I
I
S
s
[36
]
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KO
M
NIK
A
IS
S
N: 1
69
3
-
6
93
0
◼
V
al
ue
c
r
ea
ti
o
n w
i
th
bi
g d
a
t
a a
n
al
y
ti
c
s
fo
r
en
t
erpr
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s
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:
a s
urv
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(
A
l
i
Mi
r
arab
)
2793
A
s
a
uth
ors
s
h
o
w
,
c
ap
t
urin
g
d
ata
f
r
o
m
r
el
ate
d
d
ata
b
as
e
s
,
g
en
er
ati
ng
be
n
ef
i
c
i
al
i
nf
orm
ati
on
as
s
oc
i
ate
d
wi
th
s
uc
h
da
t
ab
as
es
t
hro
ug
h
de
ta
i
l
ed
an
a
l
y
s
es
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an
d
prov
i
d
i
ng
the
ac
q
ui
r
e
d
i
ns
i
g
hts
to
t
he
c
us
tom
ers
are
c
on
s
i
de
r
ed
to
be
the
v
er
y
prer
eq
u
i
s
i
tes
tha
t
I
IS
s
m
a
y
ne
ed
i
n
th
i
s
r
eg
ard.
In
f
ac
t,
the
pa
r
am
ete
r
s
m
en
t
i
on
ed
ab
ov
e
ex
pl
ai
n
ho
w
c
us
tom
ers
an
d
prov
i
de
r
s
c
an
bo
th
be
ne
f
i
t
f
r
o
m
i
nf
or
m
ati
on
de
l
i
v
er
y
an
d
m
ak
e
c
l
ea
r
di
s
ti
nc
t
i
on
s
am
on
g
IIS
s
.
T
he
IIS
s
i
m
prov
em
en
t
i
n
t
hi
s
hi
gh
l
y
c
om
pe
ti
t
i
v
e
w
or
l
d
w
he
r
e
ec
on
om
i
c
pros
pe
r
ou
s
s
tr
on
gl
y
de
pe
nd
s
on
da
t
a
ac
c
es
s
m
a
y
r
eq
ui
r
e
a
f
ul
l
-
f
l
ed
ge
d
f
r
am
ew
ork
l
i
k
e
w
h
at
pres
en
te
d
i
n
t
hi
s
s
tud
y
.
Z
en
g
an
d
G
l
a
i
s
ter
[37]
s
ug
ge
s
ted
a
th
eo
r
et
i
c
al
f
r
am
e
wor
k
throug
h
whi
c
h
m
an
ag
ers
c
an
m
an
ag
e
da
ta
a
nd
c
r
ea
te
v
al
ue
b
y
d
ec
en
tr
al
i
z
i
n
g,
c
o
nte
x
tu
al
i
z
i
ng
,
ex
p
erim
en
ti
n
g,
an
d
c
on
v
e
ni
en
t
l
y
i
m
pl
em
en
ti
ng
i
ns
i
g
hts
ac
qu
i
r
ed
f
r
om
da
ta.
T
he
f
r
a
m
ew
ork
at
i
s
s
ue
i
s
de
m
on
s
tr
ate
d i
n
Fig
ure 2.
F
i
gu
r
e
2.
T
he
pro
po
s
ed
f
r
a
m
ew
ork
f
or data
-
ba
s
ed
v
a
l
ue
g
en
era
ti
o
n
[3
7]
In
t
hi
s
r
es
e
arc
h,
a
k
e
y
c
o
ntri
bu
ti
o
n
was
m
ad
e
b
y
r
e
s
po
nd
i
ng
to
th
e
c
a
l
l
to
s
tu
d
y
ho
w
m
an
ag
ers
c
r
ea
te
v
a
l
ue
ut
i
l
i
z
i
ng
b
i
g
da
t
a.
T
o
tr
ac
e
the
c
a
us
ati
on
c
ha
i
n,
thi
s
r
es
ea
r
c
h
ha
s
r
ec
og
ni
z
e
d
t
wo
m
od
es
of
d
ata
-
to
-
v
al
ue
proc
es
s
.
V
al
ue
ge
n
erat
i
on
w
i
t
h
t
he
ai
d
of
organ
i
z
ati
on
a
l
da
ta
i
s
l
arg
el
y
tr
a
ns
ac
ti
o
n
-
driv
en
,
t
ha
t
i
s
to
s
a
y
,
f
i
r
m
s
ten
d
t
o
em
ph
as
i
z
e
d
ata
an
al
y
s
i
s
to
c
r
ea
t
e
a
m
ore
c
on
s
i
de
r
a
bl
e
ec
on
o
m
i
c
r
en
t.
V
al
ue
g
en
era
ti
o
n
throug
h
op
e
n
-
ac
c
es
s
da
ta
ne
t
w
ork
f
i
r
ms
i
s
s
ub
s
tan
ti
a
l
l
y
r
el
ati
on
-
dri
v
en
,
t
ha
t
i
s
t
o
s
a
y
,
t
he
f
i
r
m
s
m
o
s
tl
y
f
oc
us
on
i
s
o
l
at
ed
da
tas
et
s
to
ga
i
n
a
c
om
bi
ne
d
i
ns
i
gh
t
s
o
as
to
c
r
ea
te
a
l
ar
ge
r
ec
on
o
m
i
c
r
en
t
al
s
o
be
n
ef
i
ti
ng
t
he
i
r
bu
s
i
ne
s
s
pa
r
tne
r
s
.
P
r
es
en
t
i
ng
an
i
n
du
c
ti
v
e
m
od
el
po
r
tr
a
y
i
n
g
da
ta
-
dr
i
v
en
v
a
l
ue
ge
n
erat
i
on
,
th
e
s
tud
y
prov
i
de
s
i
ns
i
gh
ts
on
m
ec
h
an
i
s
m
s
de
s
c
r
i
bi
ng
wh
y
s
o
m
e
f
i
r
m
s
ou
tpe
r
f
o
r
m
the
i
r
c
ou
nte
r
p
arts
i
n
data
-
dr
i
v
en
v
al
ue
ge
n
erati
on
.
A
na
l
y
s
i
s
of
the
au
t
ho
r
s
i
nd
i
c
a
ted
t
ha
t
f
i
r
m
s
are
di
f
f
erent
wi
th
r
es
pe
c
t to
t
he
i
r
ab
i
l
i
ti
es
to
c
r
ea
te
v
a
l
ue
,
w
h
eth
er
i
nt
ern
al
l
y
or ex
terna
l
l
y
, f
r
om
bi
g d
ata
.
T
he
au
tho
r
s
s
ug
ge
s
te
d
t
ha
t
s
c
att
ere
d
d
ata
f
ai
l
t
o
be
s
uf
f
i
c
i
en
t
f
or
m
ax
i
m
i
z
i
n
g
data
-
b
as
ed
v
al
ue
ge
ne
r
at
i
o
n.
A
s
the
y
argu
ed
,
v
a
l
ue
g
en
erat
i
o
n
i
s
c
l
os
el
y
r
el
ate
d
to
the
proc
es
s
of
tr
an
s
f
er
r
i
ng
r
el
e
v
a
nt
i
nf
orm
ati
on
throug
h
the
i
nte
r
na
l
f
i
r
m
-
w
i
de
bo
un
d
arie
s
.
In
ad
d
i
ti
on
to
c
on
c
en
tr
at
i
ng
on
g
en
era
ti
n
g
v
a
l
ue
di
r
ec
t
l
y
f
r
om
the
fi
r
m
-
w
i
d
e
da
ta
n
et
w
ork
,
en
terpr
i
s
es
tak
e
ad
v
an
t
ag
e
of
an
o
pe
n
-
ac
c
es
s
da
ta
ne
t
wor
k
tha
t
prov
i
de
s
a
w
i
de
r
an
ge
of
ex
pa
nd
ed
a
nd
d
y
n
am
i
c
i
nf
or
m
ati
on
da
t
as
et
s
erv
i
ng
as
a
he
t
eroge
ne
ou
s
an
d
c
om
pl
ex
s
ou
r
c
e
whi
c
h
i
s
v
i
r
tu
al
l
y
i
m
po
s
s
i
bl
e
t
o
b
e
r
ep
r
od
uc
ed
b
y
i
n
di
v
i
du
a
l
f
i
r
m
s
.
A
c
c
ordi
ng
l
y
,
t
he
c
om
pe
ti
t
i
on
arena
i
s
wi
de
r
tha
n
t
he
org
an
i
z
ati
on
l
e
v
e
l
.
Un
de
r
th
i
s
c
on
di
ti
o
n,
the
r
e
i
s
i
nt
erde
pe
n
de
nc
e
be
t
ween
the
c
on
ne
c
ti
ng
pa
r
ts
to
ge
ne
r
ate
m
od
el
s
,
s
tr
at
eg
i
es
,
tr
en
ds
,
an
d
c
r
ea
ti
v
e
s
ol
ut
i
on
s
f
r
o
m
a
c
om
bi
na
ti
on
of
da
tab
as
es
r
ath
er t
ha
n
a l
i
m
i
ted
f
i
r
m
-
l
ev
e
l
s
ou
r
c
e.
Evaluation Warning : The document was created with Spire.PDF for Python.
◼
IS
S
N: 16
93
-
6
93
0
T
E
L
KO
M
NIK
A
V
ol
.
17
,
No
.
6,
D
ec
em
be
r
20
19
:
27
9
0
-
2802
2794
Res
ul
ts
of
th
i
s
r
es
ea
r
c
h
a
l
s
o
c
on
f
i
r
m
tha
t
en
terpr
i
s
es
c
on
c
om
i
tan
tl
y
tak
i
ng
ad
v
a
nt
ag
e
of
m
an
ag
em
en
t
an
d
s
tr
uc
tur
ed
gu
i
de
l
i
ne
s
are
m
ore
f
l
ex
i
b
l
e
a
nd
c
an
ef
f
ec
ti
v
el
y
r
es
p
on
d
t
o
the
m
ar
k
et
c
h
an
ge
s
.
T
hi
s
r
es
ea
r
c
h
s
ho
w
e
d
tha
t
f
i
r
m
s
ten
di
n
g
to
g
en
erat
e
de
c
en
tr
a
l
i
z
e
d
da
ta
ba
s
es
,
f
ol
l
o
w
‘
tr
i
a
l
an
d
err
or’
s
tr
ate
g
y
,
e
nc
ou
r
a
ge
c
ol
l
a
bo
r
at
i
o
n
be
t
wee
n
un
i
t
s
,
an
d
h
av
e
a
c
urio
us
ou
t
l
oo
k
towa
r
ds
d
ata
-
r
el
ate
d
i
s
s
ue
s
are
de
e
m
ed
to
be
m
ore
prone
to
ge
ne
r
ate
v
al
ue
f
r
o
m
da
ta.
S
uc
h
de
c
en
tr
al
i
z
ed
an
d
f
l
ex
i
b
l
e
orga
ni
z
a
t
i
on
s
c
an
ex
tem
po
r
an
e
ou
s
l
y
r
es
po
n
d
to
da
ta.
L
ea
d
ers
i
n
s
uc
h
org
a
ni
z
at
i
on
s
al
s
o
c
on
s
i
de
r
da
t
a
as
a
pu
bl
i
c
t
oo
l
t
ha
t
s
ho
u
l
d
be
a
v
a
i
l
ab
l
e
an
d
ag
r
e
ed
up
o
n
b
y
al
l
pe
r
s
on
n
el
.
T
he
r
es
ul
ts
ge
n
eral
l
y
s
he
d
l
i
g
ht
o
n
the
f
ac
t
t
ha
t
organ
i
z
ati
on
a
l
pa
t
terns
en
c
om
pa
s
s
i
ng
di
v
ers
e
da
ta
-
to
-
v
a
l
ue
proc
es
s
es
,
pa
r
t
i
c
ul
arl
y
m
an
ag
eri
al
c
ap
ab
i
l
i
ti
es
,
c
an
he
l
p
f
i
r
m
s
to
ou
tp
erf
or
m
the
i
r
c
ou
nte
r
pa
r
ts
b
ec
au
s
e
th
ei
r
m
an
ag
ers
are
eq
u
i
pp
ed
wi
th
i
ns
i
gh
ts
an
d
c
on
ne
c
ti
on
s
th
at
a
l
l
o
w
c
om
pre
he
ns
i
v
e a
nd
pr
ec
i
s
e e
v
a
l
ua
t
i
o
ns
.
V
erho
ef
,
K
o
og
e
,
a
nd
W
al
k
[38]
i
n
a
bo
ok
en
t
i
t
l
ed
“
Cr
ea
ti
ng
V
a
l
u
e
wi
th
B
i
g
Data
A
na
l
y
t
i
c
s
”
i
nd
i
c
at
ed
th
at
i
n
the
CR
M
da
y
s
,
a
dv
i
s
ors
i
nf
or
m
tha
t
a
l
ot
of
organ
i
z
ati
o
ns
are
n
ot
s
uc
c
es
s
f
ul
to
d
eri
v
e
v
a
l
u
e
f
r
o
m
the
i
r
B
i
g
D
ata
ta
s
k
s
du
e
to
t
he
l
ac
k
of
a
da
ta
s
tr
ate
g
y
.
T
he
r
ef
ore,
the
au
t
ho
r
s
prom
i
s
ed
tha
t
th
e
r
ea
d
ers
w
o
ul
d
b
e
of
f
ered
w
i
t
h
an
an
s
w
er
f
or
ad
dres
s
i
n
g
an
d
ov
erc
om
i
ng
the
c
ha
l
l
en
g
es
f
ac
ed
i
n
th
e
ex
tr
ac
ti
on
of
v
al
u
e
f
r
o
m
a
wi
de
r
an
ge
of
i
nf
orm
ati
on
a
v
ai
l
a
bl
e,
f
i
na
l
l
y
l
e
ad
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to
be
tt
er
de
c
i
s
i
on
s
a
n
d
i
m
prov
e
d
c
om
pe
ti
ti
v
e
be
ne
f
i
t.
Mo
r
eo
v
er,
t
he
s
u
bti
t
l
e
‘
m
a
k
i
ng
s
m
arter
m
ar
k
eti
ng
d
ec
i
s
i
on
s
’
i
s
be
l
i
ev
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t
o
ha
v
e
a
c
on
s
i
d
erab
l
e
att
ac
hm
en
t to
t
he
m
ai
n t
i
tl
e
.
T
he
bo
ok
m
ai
nl
y
s
erv
es
as
a
m
od
el
or
f
r
a
m
ew
ork
f
or
da
ta
-
ba
s
ed
v
a
l
ue
ge
n
erati
o
n
as
s
ho
w
n
i
n
F
i
gu
r
e
3.
T
he
c
r
i
ti
c
a
l
s
tep
s
i
n
th
i
s
m
od
el
c
ov
er
s
ui
t
es
of
m
etri
c
s
,
da
ta
as
s
ets
,
B
i
g
Data
a
bi
l
i
t
i
es
,
B
i
g
Data
A
n
al
y
ti
c
s
,
an
d
B
i
g
D
ata
v
a
l
ue
.
A
t
f
i
r
s
t,
a
brie
f
r
ev
i
e
w
i
s
pres
en
te
d,
an
d
the
n
the
s
t
ag
es
are
f
ul
l
y
d
es
c
r
i
be
d
on
e
-
by
-
on
e
i
n
t
he
f
ol
l
o
wi
ng
c
ha
p
ter
s
.
T
he
k
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y
t
he
m
es
f
o
r
ea
c
h s
ta
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ar
e a
dd
r
es
s
ed
i
n t
he
op
en
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c
ha
pt
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, a
n
d t
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n t
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i
r
m
ai
n
as
s
oc
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d p
r
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l
t
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i
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th
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c
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pte
r
s
.
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s
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i
na
l
p
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of
th
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bo
ok
i
s
de
d
i
c
ate
d
t
o
the
de
s
c
r
i
pt
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on
of
v
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s
da
ta
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al
y
s
i
s
tec
hn
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qu
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whi
c
h
are
m
os
tl
y
k
no
wn
b
y
a
m
aj
orit
y
of
r
ea
de
r
s
(
e.g
.,
d
ec
i
s
i
on
tr
ee
m
od
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s
,
c
l
us
ter
an
al
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s
i
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,
ti
m
e
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s
,
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d
RF
M).
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i
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l
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pl
a
i
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ha
t
th
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B
i
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Da
ta
b
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m
ea
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ab
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l
s
tr
ad
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an
al
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ti
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tec
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eth
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,
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t
i
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te
a
d
i
m
pl
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t
ha
t
the
ap
p
l
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ti
on
s
are
c
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t
l
y
m
ore
n
ua
nc
ed
du
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to
the
v
as
t m
aj
orit
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of
da
t
ab
as
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.
F
i
gu
r
e
3.
T
he
m
od
el
f
or v
a
l
ue
c
r
ea
t
i
on
wi
t
h b
i
g
da
ta
[3
8]
Mo
r
eo
v
er,
t
he
au
th
ors
arg
ue
d
t
he
pr
og
r
es
s
i
v
el
y
v
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probl
em
of
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f
f
i
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en
tl
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ex
pr
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s
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ou
tc
om
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de
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f
r
o
m
c
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ex
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d
pres
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a
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tor
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l
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g
as
he
l
pf
ul
too
l
s
f
or
m
es
s
ag
e
tr
an
s
f
err
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.
T
he
au
th
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pres
en
ted
a
wi
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e
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as
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tud
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us
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w
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organ
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en
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d
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B
D
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A
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B
D.
T
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r
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i
m
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[
29
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r
ep
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a
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w
c
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c
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of
B
D
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(
1)
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i
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f
or
us
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(
2)
i
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(
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tr
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da
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to
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(
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MC)
.
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the
d
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m
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of
thi
s
t
ec
hn
o
l
og
y
.
T
he
s
ug
ge
s
te
d
m
od
el
m
ai
nl
y
ai
m
s
at
r
ep
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r
a
w
da
t
a
s
ha
r
i
n
g
w
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t
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k
no
w
l
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ge
-
driv
en
o
ne
i
n
B
D
s
y
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t
em
s
as
s
ho
wn
i
n
F
i
gu
r
e
4
.
T
a
k
i
ng
i
nt
o
ac
c
o
un
t
th
e
c
as
e
s
tud
y
of
IoT
-
ba
s
ed
B
D
s
y
s
tem
s
,
the
au
tho
r
s
ai
m
ed
at
de
p
i
c
ti
n
g t
h
e c
on
t
ex
t i
n
w
h
i
c
h t
he
propos
e
d m
od
el
wor
k
s
.
F
i
gu
r
e
4.
A
na
l
y
ti
c
s
-
dri
v
en
b
i
g d
ata
r
e
du
c
t
i
on
[29]
A
s
s
ho
w
n
i
n
F
i
g
ure
5,
t
he
au
th
ors
c
on
s
i
de
r
e
d
a
f
i
v
e
-
l
a
y
er
I
oT
arc
hi
tec
ture
tha
t
p
r
ov
i
de
d
m
od
el
en
ab
l
es
(
i
)
l
oc
al
d
a
ta
de
c
r
ea
s
e,
(
i
i
)
c
ol
l
a
bo
r
at
i
v
e
d
ata
d
ec
r
ea
s
e,
a
nd
(
i
i
i
)
r
e
m
ote
da
ta
de
c
r
ea
s
e.
T
he
f
i
r
s
t
on
e
i
s
att
ai
n
ed
thro
ug
h
an
a
l
y
ti
c
c
o
m
po
ne
nts
i
n
m
ob
i
l
e
de
v
i
c
es
w
i
t
h
ap
p
l
i
c
at
i
on
s
c
o
l
l
ec
t
i
ng
,
prepr
oc
es
s
i
ng
,
an
al
y
z
i
ng
,
a
nd
s
tori
ng
d
ata
pa
tte
r
ns
.
T
he
c
ol
l
a
bo
r
at
i
v
e
d
ata
de
c
r
ea
s
e
i
s
att
ai
ne
d
throu
g
h
an
al
y
ti
c
c
om
po
ne
n
ts
i
n
ed
g
e
s
erv
ers
i
m
pl
em
en
ti
ng
an
al
y
t
i
c
s
on
l
oc
a
l
l
y
g
ath
er
ed
k
no
wl
ed
ge
-
ba
s
ed
pa
tt
erns
an
d
s
ub
s
eq
ue
ntl
y
ge
ne
r
ati
ng
c
ol
l
ab
orati
v
e
d
ata
pa
t
terns
.
In
r
el
ati
on
to
the
r
em
ote
da
ta
de
c
r
ea
s
e,
the
p
att
erns
ex
tr
ac
ted
f
r
om
the
s
e
s
erv
ers
are
c
om
bi
ne
d,
a
nd
t
h
en
n
e
w
pa
tt
erns
are
ge
n
erated
thro
ug
h
an
a
l
y
t
i
c
s
s
erv
i
c
es
.
T
he
r
e
s
ul
ti
ng
da
t
a
pa
tt
erns
ar
e
c
on
ne
c
t
ed
to
l
arge
da
t
a
s
t
ores
to
e
na
b
l
e
v
a
l
u
e
ge
n
erat
i
on
throu
gh
a
na
l
y
t
i
c
s
.
T
he
di
s
ti
nc
ti
o
n
be
t
ween
t
he
pres
en
t
ed
m
od
el
a
nd
the
tr
ad
i
t
i
on
al
on
es
i
s
t
ha
t
i
n
the
f
orm
er
the
us
ers
are
i
nf
or
m
ed
of
the
ap
pl
i
c
ati
on
an
d
v
o
l
um
e
of
the
c
r
ea
t
e
d
i
nf
orm
ati
on
.
T
hi
s
m
od
el
m
a
y
ge
ne
r
a
l
l
y
pro
v
i
de
us
ers
w
i
t
h
i
nf
o
r
m
ati
on
ac
c
es
s
i
b
i
l
i
t
y
;
he
n
c
e
i
t
no
t
on
l
y
en
ha
nc
e
s
th
e
us
ers
’
tr
us
t
i
n
en
t
erpr
i
s
es
bu
t
al
s
o
es
ta
bl
i
s
h
es
a
di
r
ec
t
m
utu
a
l
r
el
ati
o
n
b
et
w
e
en
the
f
i
r
m
s
an
d
us
ers
.
T
hi
s
m
od
el
al
s
o
r
em
ov
es
t
he
u
s
er
c
on
c
ern
ab
o
ut
pri
v
ac
y
as
t
he
i
r
m
ai
n
wor
r
y
b
y
l
ett
i
ng
th
em
s
ha
r
e a
nd
s
u
bs
c
r
i
be
t
o s
e
v
era
l
B
D ap
p
l
i
c
a
ti
o
ns
.
T
he
prim
ar
y
da
t
a
r
e
du
c
ti
o
n
i
n
m
ob
i
l
e
ed
ge
C
C
s
y
s
t
em
s
de
c
r
ea
s
es
the
c
om
pu
tat
i
o
n
-
r
el
ate
d
c
os
ts
an
d
th
e
pric
e
of
i
nf
o
r
m
ati
on
c
om
m
un
i
c
ati
on
as
w
e
l
l
as
da
t
a
tr
an
s
m
i
s
s
i
on
i
n
CC
en
v
i
r
on
m
en
ts
.
Cons
eq
ue
nt
l
y
,
i
t
s
i
m
pl
y
f
ac
i
l
i
t
i
es
th
e
f
i
na
nc
i
a
l
bu
r
de
n
of
f
i
r
m
s
.
Evaluation Warning : The document was created with Spire.PDF for Python.
◼
IS
S
N: 16
93
-
6
93
0
T
E
L
KO
M
NIK
A
V
ol
.
17
,
No
.
6,
D
ec
em
be
r
20
19
:
27
9
0
-
2802
2796
T
he
s
m
al
l
-
a
nd
m
ed
i
um
-
s
i
z
e
d
en
terpr
i
s
es
(
S
ME
s
)
us
ua
l
l
y
f
ac
e
c
ha
l
l
en
ge
s
i
n
a
pp
l
y
i
n
g
c
l
ou
d
-
b
as
ed
B
DA
d
ue
to
t
h
e
f
i
na
nc
i
a
l
c
os
ts
of
S
LA
.
T
hi
s
m
od
el
c
an
al
s
o
s
up
po
r
t
c
l
ou
d
s
erv
i
c
e
s
up
pl
i
ers
to
r
ed
uc
e
the
s
e
r
v
i
c
es
’
c
os
t.
A
s
th
e
m
od
el
al
s
o
f
ac
i
l
i
t
ate
s
B
DA
,
the
r
eb
y
B
IRT
c
an
prov
i
de
us
ers
w
i
t
h c
on
s
i
de
r
ab
l
y
prof
ou
nd
i
ns
i
gh
ts
as
s
o
c
i
ate
d
w
i
t
h d
ata
.
A
nd
ers
s
on
a
nd
E
l
f
[
39
]
r
ep
orte
d
t
ha
t
B
D
A
i
s
a
m
od
eratel
y
un
f
am
i
l
i
a
r
are
a
an
d
organ
i
z
ati
on
s
are
a
bo
ut
to
ac
hi
e
v
e
m
ore
i
ns
i
g
hts
to
ap
pl
y
i
t
i
n
th
ei
r
bu
s
i
ne
s
s
es
.
In
de
ed
,
the
y
are
no
t
f
ul
l
y
i
nf
orm
ed
of
the
r
eq
ui
r
em
en
ts
of
B
DA
i
m
pl
em
e
nta
t
i
on
.
Mo
r
eo
v
er,
t
he
y
m
ai
nl
y
he
s
i
t
ate
to
tac
k
l
e
the
eth
i
c
al
pro
bl
em
s
of
pe
ne
tr
at
i
ng
pe
r
s
on
a
l
da
t
a.
T
he
go
al
of
thi
s
r
es
ea
r
c
h
i
s
to
di
s
c
ov
er
the
prim
ar
y
m
ea
s
ures
the
f
i
r
m
s
ha
v
e
to
tak
e
f
or
bi
g
d
ata
-
ba
s
e
d
v
a
l
u
e
c
r
ea
ti
on
.
A
s
the
au
t
ho
r
s
s
ug
ge
s
te
d,
h
av
i
n
g
i
n
m
i
nd
the
i
r
s
tr
uc
ture,
orga
ni
z
at
i
o
ns
ha
v
e
to
de
c
i
de
whet
he
r
f
oc
us
m
erel
y
on
Cus
tom
er
A
na
l
y
t
i
c
s
or
P
r
oc
es
s
A
na
l
y
t
i
c
s
or
bo
th
of
the
m
,
w
i
th
f
ol
l
o
wi
n
g
an
eth
i
c
s
pl
an
as
s
ho
w
n
i
n
F
i
g
ure
6.
A
s
the
y
argued
,
th
i
s
i
s
the
f
i
r
s
t
s
tep
to
w
ard
B
D
A
-
ba
s
e
v
a
l
ue
ge
ne
r
ati
on
f
or
organ
i
z
ati
on
s
.
A
c
c
ordi
ng
t
o
th
ei
r
r
es
po
ns
e
to
th
e
a
bo
v
e
-
m
en
ti
on
e
d
qu
es
t
i
on
,
orga
ni
z
at
i
o
ns
s
ho
ul
d
de
t
erm
i
ne
the
r
eq
ui
r
em
en
ts
an
d
v
a
l
ue
c
r
ea
tor
s
.
T
he
c
o
m
po
ne
nts
of
the
organ
i
z
ati
on
a
l
s
tr
uc
ture,
i
.
e.,
m
an
ag
em
en
t
s
up
p
ort,
c
r
os
s
-
f
un
c
ti
on
al
un
i
ts
,
an
d
c
ap
ab
i
l
i
ti
es
,
are
c
on
s
i
de
r
e
d
as
prer
eq
u
i
s
i
tes
,
i
.e.
,
t
he
y
are
ne
ed
ed
f
or
B
DA
bu
t
i
na
d
eq
ua
te
f
or
B
DA
-
b
as
ed
v
al
ue
ge
ne
r
at
i
on
.
Cus
tom
er
A
na
l
y
t
i
c
s
an
d
P
r
oc
es
s
A
na
l
y
ti
c
s
,
t
og
et
he
r
wi
th
an
eth
i
c
s
tac
t
i
c
,
are
c
on
s
i
d
ered
to
be
the
v
a
l
ue
ge
ne
r
at
ors
as
th
e
y
c
a
n
bri
ng
ab
o
ut
e
i
th
er
h
i
gh
er
i
nc
om
e
or
s
av
i
n
g
c
os
ts
.
Nota
bl
y
,
as
B
DA
p
l
a
y
s
a
s
i
g
ni
f
i
c
an
t
r
ol
e
i
n
c
r
ea
ti
n
g
f
un
d
a
m
en
tal
ef
f
ec
ti
v
e
c
h
an
ge
s
an
d
ac
h
i
e
v
i
ng
c
o
m
pe
ti
ti
v
e a
d
v
a
nta
ge
,
i
t
i
s
l
i
k
el
y
to
t
urn i
nto
a p
r
er
eq
u
i
s
i
te
f
or or
g
an
i
z
a
ti
o
ns
i
n t
h
e
ne
ar f
utu
r
e.
T
a
k
i
ng
the
f
i
r
s
t
s
tag
e
to
war
d
ge
ne
r
at
i
n
g
v
al
ue
f
r
om
B
D,
the
orga
ni
z
at
i
o
n
s
urv
i
v
a
l
be
c
om
es
m
ore
probab
l
e,
an
d
the
op
po
r
tu
ni
t
i
es
ar
e
al
s
o
l
i
k
el
y
to
be
c
on
s
i
de
r
a
bl
y
e
nh
a
nc
ed
.
O
v
eral
l
,
th
e
ex
pe
r
i
m
en
tal
r
es
ul
ts
s
ho
w
tha
t
da
t
a
-
d
r
i
v
e
n
de
c
i
s
i
on
-
m
a
k
i
ng
s
ho
ul
d
b
e
f
urther
en
c
ou
r
a
ge
d
i
n
organ
i
z
at
i
on
s
an
d
m
ore
i
n
di
v
i
du
a
l
s
s
h
o
ul
d
d
are
t
o
be
l
i
e
v
e
t
he
ou
t
c
o
m
es
of
da
ta
an
a
l
y
s
i
s
;
ho
w
e
v
er,
t
he
r
o
l
e
of
m
an
ag
ers
an
d
th
ei
r
de
c
i
s
i
on
m
a
k
i
ng
s
ho
u
l
d
n
ot
b
e
ov
erlo
ok
ed
.
Conc
l
us
i
on
c
orr
es
p
on
d
i
ng
to
the
da
ta
de
r
i
v
e
d
f
r
o
m
c
us
tom
er
an
al
y
t
i
c
s
an
d
pro
c
es
s
an
al
y
ti
c
s
go
es
ha
n
d
i
n
ha
nd
w
i
t
h
B
us
i
ne
s
s
Mo
d
el
Ca
nv
as
de
v
e
l
op
ed
b
y
O
s
ter
wal
d
er
an
d
po
r
ter
pe
r
s
pe
c
ti
v
e
on
s
tr
at
eg
y
.
T
he
s
e
m
od
el
s
c
on
f
i
r
m
the
e
ff
i
c
i
en
c
y
of
B
DA
as
a
m
eth
od
f
or
c
r
ea
ti
ng
a
c
om
pe
ti
ti
v
e
ad
v
an
tag
e
or
v
a
l
ue
.
Ho
we
v
er,
ne
i
the
r
o
f
the
m
eth
od
s
em
ph
as
i
z
es
the
en
a
bl
ers
r
eq
ui
r
e
d
t
o
th
i
s
en
d.
T
he
s
tud
y
no
t
on
l
y
h
i
gh
l
i
gh
ts
the
r
o
l
e
of
B
D
A
as
a
c
r
uc
i
al
p
l
a
y
er
i
n
the
v
a
l
ue
-
g
en
era
ti
ng
proc
e
s
s
bu
t a
l
s
o
de
s
c
r
i
b
es
th
e re
qu
i
r
em
en
ts
to
m
ee
t th
i
s
go
al
.
F
i
gu
r
e
5.
R
ef
erenc
e P
att
er
ns
f
or BD S
y
s
tem
s
[29]
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KO
M
NIK
A
IS
S
N: 1
69
3
-
6
93
0
◼
V
al
ue
c
r
ea
ti
o
n w
i
th
bi
g d
a
t
a a
n
al
y
ti
c
s
fo
r
en
t
erpr
i
s
es
:
a s
urv
ey
(
A
l
i
Mi
r
arab
)
2797
F
i
gu
r
e
6.
T
he
c
om
po
ne
nts
of
a
B
D
-
to
-
v
al
ue
s
o
l
ut
i
o
n
[3
9]
T
he
au
th
or’s
i
nt
erpr
eta
t
i
o
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p
erim
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es
ul
ts
on
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c
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y
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f
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g.
In
s
pi
te
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great
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nte
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on
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ti
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f
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r
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r
ee
up
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i
m
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e
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ay
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r
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r
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ork
.
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r
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e
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r
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l
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l
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y
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T
he
au
tho
r
s
f
i
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on
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l
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ha
t
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s
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t
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z
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h
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f
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V
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l
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ou
nt
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c
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“
b
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as
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ere
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n
al
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z
e
d
us
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g
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us
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s
an
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l
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t
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c
s
–
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as
ed
f
r
am
ew
ork
fac
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tat
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oth
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ta
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v
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u
e
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ne
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z
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O
r
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ab
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t
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e
ns
of
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t,
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s
,
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nd
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s
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al
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l
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h
t
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d
m
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o
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a
c
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proj
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, a
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at
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ata
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ts
w
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o
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s
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ab
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k
i
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c
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en
gi
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ork
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ng
c
o
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i
ti
on
)
.
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o
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ti
ga
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m
ea
s
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eq
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t
o
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tak
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b
y
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ga
n
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on
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f
or
v
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r
ea
ti
o
n,
t
he
a
uth
ors
i
m
prov
e
the
f
r
am
ew
ork
uti
l
i
z
ed
b
y
Ner
ur
et
al
.
[41]
,
w
ho
ex
am
i
ne
d
the
org
an
i
z
a
ti
on
a
l
s
hi
f
t
f
r
om
ol
d
-
s
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l
e
s
of
t
w
are
to
ag
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l
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s
of
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w
are
i
m
prov
em
en
t.
T
he
m
od
el
s
ho
w
s
the
ef
f
ec
ts
of
s
uc
h
an
al
t
erati
on
v
i
a
f
ou
r
pa
r
am
ete
r
s
(
na
m
el
y
,
organ
i
z
ati
on
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an
ag
em
en
t,
pe
op
l
e,
proc
es
s
,
an
d
tec
h
n
ol
o
g
y
)
.
T
he
m
od
el
i
s
a
no
ta
bl
e
att
r
i
bu
t
i
on
of
Le
a
v
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t
t's
di
am
on
d
orga
n
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z
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od
el
a
nd
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c
hn
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y
s
tem
s
.
T
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au
th
or
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l
i
z
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s
m
od
el
to
i
n
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ti
g
ate
the
ef
f
ec
ts
of
a
s
h
i
f
t
to
a
da
ta
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dri
v
en
org
an
i
z
ati
on
.
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he
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us
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ne
s
s
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al
y
t
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c
s
ab
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l
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t
y
c
an
be
s
up
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s
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as
a m
od
erator
be
t
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ata
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d t
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r
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ate
d
(
i
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d
ex
terna
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l
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)
f
r
om
tha
t
da
ta
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b
ett
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de
c
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s
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on
-
m
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k
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the
org
an
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a
ti
o
n
as
s
h
o
w
n
i
n
F
i
gu
r
e
7.
T
he
m
od
el
c
on
s
i
s
ts
of
the
c
y
c
l
e
of
da
t
a
att
ai
nm
en
t,
v
al
u
e
pro
po
s
i
t
i
o
ns
ex
pl
orati
o
n,
ap
pro
ac
h,
ex
ec
uti
on
,
an
d
ev
a
l
u
ati
on
as
s
ho
wn
i
n
F
i
gu
r
e
8.
P
h
as
e
2
a
i
s
p
l
a
nn
ed
f
or
a
v
o
i
d
i
ng
the
p
i
tf
al
l
s
c
orr
es
po
nd
i
ng
to
the
gran
d
p
l
an
–
s
m
al
l
pi
l
o
t
proj
ec
ts
us
i
n
g
ag
i
l
e
a
pp
r
oa
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h
es
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ap
p
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i
e
d
f
or
ga
i
ni
ng
c
r
ed
i
bi
l
i
t
y
,
l
e
arni
ng
ab
ou
t
an
al
y
t
i
c
s
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d
t
ec
hn
i
qu
es
,
i
de
nti
f
y
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n
g
d
ata
-
r
el
ate
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probl
em
s
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d
pro
v
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di
n
g
e
v
i
de
nc
e
to
c
on
f
i
r
m
s
tr
ate
g
y
.
In
s
tep
6,
the
ef
f
i
c
i
en
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y
of
the
proc
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s
i
s
Evaluation Warning : The document was created with Spire.PDF for Python.
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as
s
es
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ed
.
A
t
t
hi
s
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,
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e
r
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ul
t
i
n
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pe
r
f
orm
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c
e
of
the
organ
i
z
at
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on
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s
c
om
pa
r
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to
th
at
of
the
prom
i
ne
n
t c
om
pe
ti
tors
,
an
d t
he
m
atu
r
i
t
y
of
th
e
an
a
l
y
t
i
c
s
i
s
ev
al
u
ate
d a
s
w
e
l
l
.
F
i
gu
r
e
7.
R
es
ea
r
c
h f
r
am
ew
ork
[40]
F
i
gu
r
e
8.
B
us
i
ne
s
s
an
a
l
y
ti
c
s
i
m
pl
e
m
en
t
ati
on
m
od
el
[
40
]
4
.
E
v
aluat
ion
A
l
l
th
e
s
ol
uti
on
s
d
i
s
c
us
s
ed
un
de
r
th
e
c
ate
go
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y
of
‘
V
al
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Cr
ea
t
i
on
throu
gh
B
i
g
Dat
a
A
na
l
y
t
i
c
s
’
are
pres
en
ted
c
h
r
on
ol
og
i
c
al
l
y
i
n
T
ab
l
e
1.
Re
l
y
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ng
o
n
s
i
x
ac
ti
on
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es
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r
c
h
de
di
c
at
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to
i
nd
us
tr
y
a
nd
g
ov
ernm
en
t,
Li
m
an
d
c
ol
l
ea
gu
es
[
36
]
r
ec
og
n
i
z
ed
n
i
n
e
c
r
uc
i
a
l
i
n
di
c
ato
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s
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.
A
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y
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t
r
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ortr
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i
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da
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to
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e
s
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i
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IIS
s
.
E
m
pi
r
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e
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prehen
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at
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s
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hl
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s
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r
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t,
the
ni
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ac
tors
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tr
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f
r
om
14
9
s
erv
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as
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es
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to
be
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l
-
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nc
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us
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v
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o
m
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ad
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e re
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or s
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In
[3
7]
,
Z
en
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nd
G
l
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propos
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orc
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gh
ts
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r
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f
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om
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hi
s
s
tud
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s
v
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r
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m
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tat
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e Ch
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.
In
[38]
,
V
er
ho
ef
,
K
o
og
e
,
an
d W
al
k
propos
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a
pr
ac
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ate
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r
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DA
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s
de
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i
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D
A
an
d
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at
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t
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o
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ata
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90
s
.
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o
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2C
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a
na
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ay
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ark
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or
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h
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uth
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d
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e
B
i
g
Dat
a.
A
l
l
s
uc
c
es
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f
ac
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s
ha
v
e b
ee
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i
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or opt
i
m
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us
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f
B
D
A
i
n o
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g
an
i
z
ati
on
s
.
T
ab
l
e
1
. C
om
pa
r
i
s
on
of
th
e
E
v
al
ua
te
d
B
i
g
Dat
a A
na
l
y
t
i
c
s
S
ol
ut
i
o
ns
A
u
t
h
o
r
(
s
)
B
a
s
i
c
The
o
r
y
I
n
s
igh
t
Ty
p
e
V
a
lue
C
r
e
a
t
ion
P
e
r
s
p
e
c
t
iv
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A
n
a
ly
t
i
c
s
Ty
p
e
B
ig
D
a
t
a
A
n
a
ly
t
i
c
s
S
t
r
a
t
e
g
y
P
r
iv
a
c
y
a
n
d
D
a
t
a
P
r
o
t
e
c
t
ion
D
a
t
a
I
n
t
e
g
r
it
y
L
i
m
e
t
a
l
.
[
36
]
N
ine
d
a
t
a
-
b
a
s
e
d
f
a
c
t
o
r
s
f
o
r
v
a
lue
c
r
e
a
t
ion
in
inf
o
r
mat
ion
-
int
e
n
s
iv
e
s
e
r
v
ic
e
s
P
r
o
d
u
c
t
a
n
d
s
e
r
v
ic
e
inn
o
v
a
t
ion
a
n
d
s
u
p
p
ly
c
h
a
in
a
n
d
p
e
r
f
o
r
man
c
e
m
a
n
a
g
e
m
e
n
t
V
2
C
a
n
d
V
2
F
D
e
s
c
r
ipt
iv
e
D
a
t
a
m
o
d
e
l
ing
No
No
Zen
g
a
n
d
Gla
is
t
e
r
[
37
]
V
a
lue
g
e
n
e
r
a
t
ion
t
h
r
o
u
g
h
d
e
c
e
n
t
r
a
li
z
ing
,
c
o
n
t
e
x
t
u
a
li
z
ing
,
e
x
p
e
r
im
e
n
t
ing
,
a
n
d
c
o
n
v
e
n
ien
t
ly
i
m
p
le
m
e
n
t
ing
in
s
igh
t
s
a
c
q
u
ire
d
f
r
o
m
d
a
t
a
S
u
p
p
ly
c
h
a
in
a
n
d
p
e
r
f
o
r
m
a
n
c
e
m
a
n
a
g
e
m
e
n
t
V
2
F
P
r
e
s
c
r
ipt
iv
e
P
r
o
b
le
m
s
o
lv
ing
No
No
V
e
r
h
o
e
f
,
K
o
o
g
e
,
a
n
d
W
a
l
k
[
38
]
L
a
c
k
o
f
a
d
a
t
a
s
t
r
a
t
e
g
y
t
o
m
a
k
e
s
m
a
r
t
e
r
m
a
r
k
e
t
ing
d
e
c
i
s
ion
s
P
r
o
d
u
c
t
a
n
d
s
e
r
v
ic
e
inn
o
v
a
t
ion
a
n
d
s
u
p
p
ly
c
h
a
in
a
n
d
p
e
r
f
o
r
man
c
e
m
a
n
a
g
e
m
e
n
t
V
2
C
a
n
d
V
2
F
D
e
s
c
r
ipt
iv
e
P
r
o
b
le
m
s
o
lv
ing
No
No
R
e
h
m
a
n
e
t
a
l.
[
29
]
D
a
t
a
r
e
d
u
c
t
ion
a
p
p
r
o
a
c
h
f
o
r
v
a
lue
c
r
e
a
t
ion
t
o
f
u
lf
i
ll
t
h
e
V
2
C
a
n
d
V
2
F
g
o
a
l
s
S
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