I
ndo
ne
s
i
a
n J
o
ur
na
l
o
f
E
l
e
c
t
r
i
c
a
l
E
ng
i
ne
e
r
i
ng
a
nd C
o
m
p
u
t
e
r
Sc
i
e
nc
e
V
o
l.
11
,
N
o.
1
,
J
ul
y
201
8
, p
p
.
268
~
27
4
I
SSN
:
2502
-
4752
,
D
O
I
:
10.
11
591/
i
j
eecs
.
v
11
.i
1
.p
p
268
-
2
74
268
Jou
r
n
al
h
om
e
p
age
:
h
ttp
:
//ia
e
s
c
or
e
.
c
om
/
j
our
nal
s
/
i
nde
x
.
php/
i
j
e
e
c
s
B
ig
Da
t
a
Securi
t
y
Archi
t
ect
ure us
i
ng
Split
a
nd
M
er
g
e M
et
ho
d
A
r
c
ha
na
R
A
1
,
R
avi
n
d
r
a S
H
e
gad
i
2
,
M
a
nj
una
t
h T
N
3
1
R
es
ear
ch
S
ch
o
l
ar
,
R
&
D
C
en
t
r
e,
B
h
ar
at
h
i
ar
U
n
iv
e
r
s
ity
,
C
o
im
b
a
to
r
e
,
T
a
m
il N
a
d
u
,
I
n
d
ia
2
D
i
r
ect
o
r
,
S
ch
o
o
l
o
f
C
o
m
p
u
at
i
o
n
al
S
ci
en
ces
,
S
o
l
ap
u
r
U
n
i
v
er
s
i
t
y
,
M
ah
ar
as
t
r
a,
I
n
d
i
a
3
P
r
of
e
s
s
or
,
D
e
pt
of
I
S
E
,
B
M
S
I
ns
t
i
t
ut
e
of
T
e
c
hnol
og
y
,
B
a
nga
l
or
e
,
K
a
r
na
t
a
k
a
,
I
ndi
a
A
rt
i
cl
e I
n
f
o
AB
S
T
RAC
T
A
r
tic
le
h
is
to
r
y
:
R
ecei
v
ed
Se
p
5
,
201
7
Re
v
i
s
e
d
No
v
1
0
,
201
7
A
ccep
t
ed
J
a
n 1
9
,
2
01
8
D
ue
t
o r
a
pi
d
g
r
ow
t
h of
uns
t
r
uc
t
ur
e
d da
t
a
i
n c
o
nt
e
m
por
a
r
y
i
nf
or
m
a
t
i
on w
or
l
d
,
t
h
er
e i
s
an
es
s
en
ce
o
f
b
i
g
d
at
a
i
n
f
r
as
t
r
u
ct
u
r
e f
o
r
m
an
y
ap
p
l
i
cat
i
o
n
s
s
p
r
ead
a
c
r
os
s
dom
a
i
ns
,
due
t
o t
he
di
f
f
e
r
e
nt
s
our
c
e
i
nf
or
m
a
t
i
on t
y
pe
a
nd h
ug
e
v
o
lu
m
e
,
d
a
ta
in
g
e
s
tio
n
a
n
d
d
a
ta
r
e
tr
ie
v
a
l
is
i
m
p
o
r
ta
n
t a
c
tiv
it
y
d
u
r
in
g
th
is
p
r
o
ces
s
d
at
a s
ecu
r
i
t
y
i
s
a v
i
t
al
t
o
p
r
o
t
ect
u
s
er
d
at
a,
i
n
co
n
n
ect
i
o
n
w
i
t
h
t
h
i
s
,
a
ut
hor
s
pr
op
os
e
d a
bi
g
da
t
a
s
e
c
ur
i
t
y
a
r
c
hi
t
e
c
t
ur
e
us
i
ng
s
pl
i
t
a
nd m
e
rg
e
s
e
c
ur
i
t
y
m
e
t
hod
i
n
bi
g
da
t
a
e
nv
i
r
onm
e
nt
us
i
ng
ha
d
oo
p.
T
hi
s
w
or
k
w
i
l
l
he
l
p
D
a
t
a
s
e
c
ur
i
t
y
pr
of
e
s
s
i
ona
l
s
a
nd or
g
a
ni
z
a
t
i
ons
i
m
pl
e
m
e
nt
i
ng
bi
g
da
t
a
pr
oj
e
c
t
s
.
Ke
y
wo
rd
s
:
B
ig
D
a
ta
D
at
a Mas
k
i
n
g
D
at
a S
ecu
r
i
t
y
C
opy
r
i
g
ht
©
201
8
I
ns
t
i
t
ut
e
o
f
A
d
v
anc
e
d
E
ngi
ne
e
r
i
ng an
d Sc
i
e
nc
e
.
A
l
l
ri
g
h
t
s re
se
rv
e
d
.
Co
rre
sp
o
n
d
i
n
g
Au
t
h
o
r
:
A
r
c
ha
na
R
A
,
R
es
ear
ch
S
ch
o
l
ar
,
R
&
D
C
e
n
t
r
e,
B
h
ar
at
h
i
ar
U
n
i
v
er
s
i
t
y
,
C
o
i
m
b
a
to
r
e
,
T
a
m
il N
a
d
u
,
I
n
d
ia
.
E
m
a
il:
ar
ch
a
n
a.
t
n
m
@
g
m
ai
l
.
co
m
1.
I
NT
RO
D
UCT
I
O
N
I
n
th
i
s
d
ig
ita
l e
r
a
,
r
e
q
u
ir
e
m
e
n
t o
f
h
u
g
e
d
at
a i
s
i
n
cr
eas
i
n
g
r
ap
i
d
l
y
,
s
o
ar
e t
h
e s
ecu
r
i
t
y
co
n
cer
n
s
.
E
v
er
y
o
n
e
w
a
n
t
s
d
at
a t
o
b
e s
af
e
w
i
t
h
e
v
er
y
as
p
ect
a
n
d
d
i
m
en
s
i
o
n
.
B
r
each
o
f
p
r
i
v
ac
y
a
n
d
s
e
cu
r
i
t
y
i
s
o
n
e o
f
t
h
e
m
aj
o
r
co
n
cer
n
s
i
n
t
h
e d
i
g
i
t
al
w
o
r
l
d
w
e l
i
v
e i
n
t
o
d
a
y
.
W
e
h
av
e l
ar
g
e
a
m
o
u
n
t
s
o
f
d
at
a t
h
a
t
i
s
ge
ne
r
a
t
e
d
i
n t
he
f
i
el
d
o
f
m
ed
i
a,
h
eal
t
h
car
e,
t
ech
n
o
l
o
g
y
,
p
r
i
v
at
e s
ec
t
o
r
,
s
ci
en
ce,
s
p
o
r
t
s
an
d
s
ecu
r
i
t
y
h
as
t
o
b
e m
ai
n
t
ai
n
ed
w
i
t
h
ev
er
y
as
p
ect
.
B
i
g
d
at
a r
ef
er
s
t
o
t
h
e m
a
n
a
g
e
m
e
n
t
an
d
an
a
l
y
s
i
s
o
f
h
u
g
e a
m
o
u
n
t
s
o
f
d
at
a t
h
at
ex
ceed
s
t
h
e
cap
ab
i
l
i
t
y
an
d
e
f
f
i
ci
en
c
y
o
f
tr
a
d
itio
n
a
l d
a
ta
in
e
v
e
r
y
d
i
m
e
n
s
io
n
.
B
ig
d
a
ta
c
o
lle
c
ts
a
n
d
a
n
a
l
y
s
e
s
la
r
g
e
a
m
o
u
n
t
s
of
da
t
a
f
r
o
m
h
e
t
e
r
og
e
n
e
ous
s
ou
r
c
e
s
t
o di
s
c
ov
e
r
u
n
pr
e
c
e
de
n
t
e
d n
e
w
kn
o
w
l
e
dg
e
a
nd u
n
de
r
s
t
a
n
di
ng
of
s
c
i
e
nt
i
f
i
c
a
nd
b
us
i
ne
s
s
s
c
e
na
r
i
o
s
[1
][2
]
.
A
i
m
i
ng t
o
ga
i
n gr
e
a
t
e
r
i
ns
i
g
ht
in
to
p
a
tte
r
n
s
n
o
t g
e
n
e
r
a
ll
y
d
is
c
e
r
n
ib
le
f
r
o
m
s
m
a
lle
r
d
a
ta
s
e
ts
,
b
ig
d
a
ta
b
u
s
in
e
s
s
in
te
llig
e
n
c
e
e
n
a
b
le
s
v
is
ib
ilit
y
i
nt
o
a
s
s
o
c
i
a
t
i
o
ns
a
nd
t
r
e
nd
s
t
ha
t
ot
h
e
r
w
i
s
e
g
o
un
n
ot
i
c
e
d.
D
e
s
i
g
n
i
ng
a
f
ool
pr
oof
s
e
c
u
r
i
t
y
m
e
a
s
u
r
e
f
or
s
u
c
h
a
w
i
de
v
ol
um
e
a
n
d
v
a
r
i
e
t
y
i
s
a
n
e
xt
r
e
m
e
l
y
i
n
t
r
i
cat
e an
d
cu
m
b
er
s
o
m
e p
r
o
ced
u
r
e.
I
n
t
h
i
s
p
ap
er
,
w
e p
r
o
p
o
s
e a s
ch
e
m
a t
h
at
en
cr
y
p
t
s
d
at
a an
d
a
ls
o
m
a
k
e
s
d
a
ta
a
c
c
e
s
s
d
if
f
ic
u
lt to
a
n
i
n
tr
u
d
e
r
.
T
h
is
is
a
c
h
ie
v
e
d
b
y
d
i
v
id
in
g
o
r
s
p
li
tti
n
g
th
e
c
o
n
c
e
r
n
e
d
d
a
ta
f
ol
l
o
w
i
ng
w
hi
c
h
,
e
n
c
r
y
pt
i
on
i
s
pe
r
f
or
m
e
d.
T
h
i
s
ap
p
r
o
ach
p
r
o
v
es
t
o
b
e b
en
ef
i
ci
al
s
i
n
ce i
t
n
o
t
o
n
l
y
e
n
cr
y
p
t
s
d
a
ta
b
u
t a
ls
o
f
o
c
u
s
e
s
o
n
d
a
ta
i
n
te
g
r
i
t
y
.
T
o
a
n
in
tr
u
d
e
r
it m
a
y
s
e
e
m
lik
e
t
h
e
d
a
ta
in
te
g
r
it
y
i
s
lo
s
t s
in
c
e
th
e
d
a
ta
is
d
iv
id
e
d
,
b
u
t t
h
e
i
n
f
o
r
m
a
tio
n
a
b
o
u
t th
e
f
ile
lo
c
a
tio
n
s
a
n
d
p
a
ir
in
g
is
k
n
o
w
n
o
nl
y
t
o
a
n a
ut
ho
r
i
z
e
d
us
e
r
.
H
e
nc
e
a t
w
o
l
ev
el
s
ec
u
r
i
t
y
i
s
es
t
ab
l
i
s
h
ed
,
o
n
e t
h
at
s
cr
a
m
b
l
es
o
r
m
as
k
s
t
h
e d
at
a i
t
e
m
s
a
n
d
o
n
e t
h
at
p
r
o
t
ect
s
i
t
s
in
te
g
r
it
y
u
n
d
e
r
a
tta
c
k
[
4
]
[
5
]
.
D
a
ta
S
p
litti
n
g
,
E
n
c
r
y
p
tio
n
a
n
d
D
e
c
r
y
p
tio
n
.
E
n
c
r
y
p
tio
n
p
e
r
f
o
r
m
e
d
b
y
u
s
in
g
S
ecu
r
e E
f
f
i
ci
e
n
t d
a
ta
d
is
tr
ib
u
tio
n
a
lg
o
r
it
h
m
a
n
d
d
e
c
r
y
p
tio
n
is
p
e
r
f
o
r
m
e
d
u
s
i
n
g
E
f
f
ic
ie
n
t D
a
ta
C
o
n
f
la
tio
n
a
l
g
or
i
t
hm
.
T
h
e
da
t
a
s
pl
i
t
t
i
ng
i
s
a
c
hi
e
v
e
d t
h
r
oug
h
v
a
r
i
ous
s
t
e
ps
f
or
di
f
f
e
r
e
nt
ki
n
ds
of
da
t
a
.
T
h
e
g
oa
l
of
t
h
i
s
m
ech
a
n
i
s
m
i
s
t
o
i
n
cr
eas
e
ef
f
i
ci
en
c
y
o
f
p
er
f
o
r
m
an
ce a
n
d
s
e
cu
r
i
t
y
.
A
m
as
s
i
v
e d
at
a b
r
each
al
l
o
v
er
t
h
e n
e
w
s
a
c
r
o
s
s
th
e
w
o
r
ld
h
a
s
le
d
to
la
r
g
e
m
u
lti
n
a
tio
n
a
l c
o
m
p
a
n
ie
s
m
a
k
in
g
i
n
f
o
r
m
a
tio
n
s
e
c
u
r
it
y
t
h
e
ir
to
p
m
o
s
t p
r
io
r
it
y
.
T
h
is
is
n
o
t j
u
s
t r
e
s
tr
ic
te
d
to
s
e
c
u
r
in
g
t
h
e
a
c
t
u
a
l i
n
f
o
r
m
a
tio
n
b
u
t a
ls
o
e
x
te
n
d
e
d
to
a
u
t
h
o
r
iz
i
ng
e
a
c
h
i
nd
i
vi
d
ua
l
Evaluation Warning : The document was created with Spire.PDF for Python.
I
nd
o
ne
s
i
a
n J
E
l
e
c
E
ng
&
C
o
m
p
S
c
i
I
SSN
:
2502
-
4752
B
i
g D
at
a Se
c
ur
i
t
y
A
r
c
hi
t
e
c
t
ur
e
us
i
ng Spl
i
t
a
nd M
e
r
ge
M
e
t
h
od
(
A
r
c
hana
R
A
)
269
u
s
er
o
f
t
h
e co
m
p
a
n
y
s
er
v
er
s
.
S
en
s
i
t
i
v
e i
n
f
o
r
m
at
i
o
n
i
s
f
u
r
t
h
e
r
d
ecl
ar
ed
co
n
f
i
d
en
t
i
a
l
a
n
d
o
n
l
y
a
s
et
o
f
e
x
ecu
t
i
v
e
e
m
p
l
o
y
ees
ar
e g
r
an
t
ed
acces
s
.
W
i
t
h
s
u
c
h
s
ecu
r
i
t
y
s
t
a
n
d
ar
d
s
an
d
p
r
o
t
o
c
o
l
s
i
n
p
l
ace,
s
ecu
r
i
t
y
e
n
f
o
r
ce
m
e
n
t
s
ar
e
und
e
r
go
i
n
g a
r
e
v
o
l
u
t
i
o
n
i
n
o
r
d
er
t
o
en
s
u
r
e t
o
p
l
e
v
el
d
at
a p
r
o
t
ect
i
o
n
.
S
i
n
ce b
i
g
d
at
a a
n
al
y
t
i
cs
h
a
s
i
n
v
ar
i
ab
l
y
b
e
c
o
m
e
o
n
e
o
f
th
e
m
o
s
t s
o
u
g
h
t a
f
te
r
d
o
m
a
i
n
s
in
th
e
I
T
in
d
u
s
tr
y
,
b
ig
d
a
ta
s
e
c
u
r
it
y
a
ls
o
a
s
s
u
m
e
s
to
p
p
r
io
r
it
y
.
B
i
g
D
at
a an
al
y
t
i
cs
r
ev
eal
s
h
i
d
d
en
d
at
a p
at
t
er
n
s
,
u
n
k
n
o
wn
c
o
-
r
el
at
i
o
n
s
,
cu
s
t
o
m
er
p
r
ef
er
en
c
es
an
d
o
t
h
er
u
s
ef
u
l
i
n
f
o
r
m
at
i
o
n
t
h
at
ai
d
s
t
h
e eco
n
o
m
i
c
g
r
o
w
t
h
o
f
a co
m
p
an
y
.
H
en
ce ev
er
y
l
ead
i
n
g
co
m
p
a
n
y
i
s
l
ea
n
i
n
g
o
n
t
h
i
s
t
ech
n
o
l
o
g
y
t
o
m
ak
e
b
e
tte
r
i
n
f
o
r
m
ed
d
eci
s
i
o
n
s
,
i
m
p
r
o
v
e i
t
s
o
p
er
at
i
o
n
al
ef
f
i
c
i
en
c
y
,
p
r
ed
i
ct
t
r
en
d
s
an
d
o
v
er
al
l
i
m
p
r
o
v
e
i
t
s
p
er
f
o
r
m
an
ce.
T
h
e
r
e
ar
e
t
h
r
ee
p
r
o
p
e
r
t
i
es
t
o
b
i
g
d
at
a,
v
o
l
u
m
e,
v
ar
i
et
y
an
d
v
el
o
ci
t
y
.
T
h
e
v
ar
i
et
y
a
r
i
s
e
s
b
y
t
he
p
r
e
s
e
nc
e
o
f
s
t
r
uc
t
ur
e
d
,
u
ns
t
r
uc
t
ur
e
d
a
nd
s
e
m
i
s
t
r
uc
t
ur
e
d
d
a
t
a
.
P
r
o
vi
d
i
ng
a
s
e
c
ur
i
t
y s
o
l
u
t
i
o
n t
ha
t
en
co
m
p
as
s
es
al
l
t
h
e t
h
r
e
e t
y
p
es
o
f
d
at
a h
as
b
een
a c
h
al
l
en
g
i
n
g
t
as
k
.
T
h
e p
r
o
p
o
s
ed
s
o
l
u
t
i
o
n
at
t
e
m
p
t
s
t
o
d
ecr
eas
e t
h
e d
i
f
f
i
cu
l
t
y
i
n
p
er
f
o
r
m
i
n
g
t
h
i
s
t
as
k
.
M
o
s
t
en
cr
y
p
t
i
o
n
al
g
o
r
i
t
h
m
s
p
r
o
v
i
d
e a s
i
n
g
l
e l
ev
el
s
ec
u
r
i
t
y
b
y
e
nc
r
y
p
t
i
ng d
a
t
a
u
s
i
ng a
r
a
nd
o
m
ke
y.
I
n t
he
p
r
o
p
o
s
e
d
s
o
l
ut
i
o
n,
a
t
w
o l
e
v
e
l
s
e
c
u
r
i
t
y
i
s
pr
ov
i
de
d,
by
e
n
c
r
y
pt
i
n
g
th
e
c
o
n
te
n
ts
o
f
a
p
ie
c
e
o
f
in
f
o
r
m
a
tio
n
a
n
d
a
ls
o
c
r
e
a
tin
g
a
n
illu
s
io
n
to
a
n
a
tta
c
k
e
r
th
a
t d
a
ta
in
te
g
r
it
y
i
s
l
o
s
t
[5
][6
].
F
i
g
ur
e
1
.
B
ig
D
a
ta
S
e
c
u
r
it
y
f
o
r
A
p
p
lic
a
tio
n
s
2.
R
EL
A
T
ED
WO
R
K
W
h
ile
th
e
te
r
m
“
b
ig
d
a
ta
”
is
r
e
la
tiv
e
l
y
n
e
w
,
th
e
a
c
t o
f
g
a
th
e
r
in
g
a
n
d
s
to
r
in
g
la
r
g
e
a
m
o
u
n
ts
o
f
i
nf
or
m
a
t
i
on f
or
e
v
e
n
t
u
a
l
a
n
a
l
y
s
i
s
i
s
a
g
e
s
ol
d.
T
h
e
c
on
c
e
pt
g
a
i
n
e
d
m
o
m
e
n
t
um
i
n
t
h
e
e
a
r
l
y
2000s
w
h
e
n
i
nd
u
s
t
r
y
a
na
l
ys
t
D
o
u
g
L
a
ne
y
a
r
t
i
c
ul
a
t
e
d
t
he
no
w
-
m
a
i
n
s
tr
e
a
m
d
e
f
in
i
tio
n
o
f
b
i
g
d
a
ta
a
s
th
e
t
h
r
ee V
s
:
V
o
l
u
m
e.
O
r
g
an
i
za
t
i
o
n
s
co
l
l
ect
d
at
a f
r
o
m
a v
ar
i
e
t
y
o
f
s
o
u
r
ces
,
i
n
c
l
u
d
i
n
g
b
u
s
i
n
e
s
s
t
r
an
s
act
i
o
n
s
,
s
o
ci
al
m
ed
i
a an
d
i
nf
or
m
a
t
i
on
f
r
o
m
s
e
n
s
or
or
m
a
c
h
i
n
e
-
to
-
m
ach
i
n
e d
at
a.
I
n
t
h
e p
as
t
,
s
t
o
r
i
n
g
i
t
w
o
u
l
d
’
v
e b
een
a p
r
o
b
l
em
–
b
ut
n
e
w
t
ec
h
n
o
l
o
g
i
es
(
s
u
ch
as
H
ad
oop
)
ha
ve
ea
s
ed
t
h
e b
u
r
d
e
n
.
V
el
o
ci
t
y
.
D
at
a
s
t
r
ea
m
s
i
n
at
an
u
n
p
r
eced
en
t
ed
s
p
eed
an
d
m
u
s
t
b
e d
eal
t
w
i
t
h
i
n
a t
i
m
el
y
m
a
n
n
er
.
R
F
I
D
t
a
g
s
,
s
en
s
o
r
s
an
d
s
m
ar
t
m
e
t
er
i
n
g
ar
e d
r
i
v
i
n
g
t
h
e
n
eed
to
d
e
a
l w
ith
to
r
r
e
n
t
s
o
f
d
a
ta
in
n
e
a
r
-
r
eal
t
i
m
e.
V
ar
i
et
y
.
D
at
a co
m
e
s
i
n
al
l
t
y
pe
s
of
f
or
m
a
t
s
–
f
ro
m
s
t
ru
c
t
u
re
d
,
n
u
m
er
i
c
d
at
a i
n
t
r
ad
i
t
i
o
n
al
d
a
t
ab
as
es
t
o
u
n
s
t
r
u
ct
u
r
ed
t
ex
t
d
o
cu
m
e
n
t
s
,
e
m
ai
l
,
v
i
d
eo
,
au
d
i
o
,
s
t
o
ck
t
i
ck
er
d
at
a
a
n
d
f
i
n
a
n
c
ia
l tr
a
n
s
a
c
tio
n
s
.
W
e
c
a
n
c
o
n
s
id
e
r
t
w
o
a
d
d
itio
n
a
l d
i
m
e
n
s
io
n
s
w
h
e
n
it c
o
m
e
s
to
b
ig
d
a
ta
: V
a
r
ia
b
ilit
y
.
I
n
a
d
d
itio
n
to
th
e
in
c
r
e
a
s
in
g
v
e
lo
c
itie
s
a
n
d
v
a
r
ie
t
ie
s
o
f
d
a
ta
,
d
a
ta
f
lo
w
s
c
a
n
b
e
h
i
g
h
l
y
i
n
c
o
n
s
is
te
n
t
w
it
h
p
er
i
o
d
i
c p
eak
s
[
1
2
]
.
I
s
s
o
m
et
h
i
n
g
t
r
en
d
i
n
g
i
n
s
o
ci
al
m
ed
i
a d
ai
l
y
,
s
eas
o
n
al
an
d
ev
e
n
t
-
t
r
i
g
g
e
r
ed
p
eak
d
at
a l
o
ad
s
c
a
n b
e
c
ha
l
l
e
n
gi
n
g t
o
m
a
na
ge
.
E
ve
n
m
o
r
e s
o
w
i
t
h
u
n
s
t
r
u
ct
u
r
ed
d
at
a.
C
o
m
p
l
ex
i
t
y
.
T
o
d
ay
'
s
d
at
a co
m
es
f
r
o
m
m
u
ltip
le
s
o
u
r
c
e
s
,
w
h
ic
h
m
a
k
e
s
it d
i
f
f
ic
u
l
t to
li
n
k
,
m
a
t
c
h
,
c
le
a
n
s
e
a
n
d
tr
a
n
s
f
o
r
m
d
a
ta
a
c
r
o
s
s
s
y
s
te
m
s
.
H
o
w
e
v
er
,
i
t
’
s
n
ece
s
s
ar
y
t
o
co
n
n
ect
a
n
d
co
r
r
el
at
e r
el
at
i
o
n
s
h
i
p
s
,
h
i
er
ar
ch
i
es
a
n
d
m
u
l
t
i
p
l
e
d
a
t
a
l
i
n
ka
ge
s
o
r
y
o
ur
d
at
a can
q
u
i
ck
l
y
s
p
i
r
al
o
u
t
o
f
co
n
t
r
o
l
.
K
ek
e G
ai
,
et
.
al
,
I
E
E
E
2
n
d
I
n
t
er
n
at
i
o
n
al
C
o
n
f
e
r
en
ce o
n
B
i
g
D
at
a
S
e
c
ur
i
t
y o
n C
l
o
ud
,
I
E
E
E
I
nt
e
r
na
t
i
o
na
l
C
o
n
f
e
r
e
nc
e
o
n
H
i
gh P
e
r
f
o
r
m
a
nc
e
a
nd
S
m
a
r
t
C
o
m
p
u
t
i
n
g,
I
E
E
E
I
n
t
er
n
at
i
o
n
al
C
o
n
f
er
en
ce o
n
I
n
t
el
l
i
g
e
n
t
D
a
t
a
a
n
d
S
e
c
u
r
i
t
y
,
2016[
1]
[
2]
,
S
e
c
u
r
i
t
y
-
A
w
ar
e E
f
f
i
ci
en
t
Mas
s
D
is
tr
ib
u
te
d
S
to
r
a
g
e
A
p
p
r
o
a
c
h
f
o
r
C
lo
u
d
S
y
s
te
m
s
in
B
i
g
D
a
ta
.
Y
ib
in
L
i e
t.
a
l,
I
n
te
lli
g
e
n
t
c
r
y
p
to
g
r
a
p
h
y
a
ppr
oa
c
h
f
or
s
e
c
u
r
e
di
s
t
r
i
bu
t
e
d bi
g
da
t
a
s
t
or
a
g
e
i
n
c
l
ou
d c
o
m
p
u
t
i
ng
,
2016 E
l
s
e
v
i
e
r
I
n
c
,
T
h
i
s
pa
pe
r
f
oc
us
e
d on
t
h
e
pr
obl
e
m
of
t
h
e
c
l
ou
d da
t
a
s
t
or
a
g
e
a
n
d a
i
m
e
d t
o pr
ov
i
de
a
n
a
ppr
oa
c
h
t
h
a
t
c
ou
l
d a
v
oi
d t
h
e
c
l
ou
d ope
r
a
t
or
s
r
each
i
n
g
u
s
er
’
s
e
n
s
i
t
i
v
e d
at
a.
A
d
d
r
es
s
i
n
g
t
h
i
s
g
o
al
,
w
e p
r
o
p
o
s
ed
a n
o
v
el
ap
p
r
o
ach
en
t
i
t
l
ed
as
S
ecu
r
i
t
y
-
A
wa
r
e
E
f
f
ic
ie
n
t D
is
tr
ib
u
t
ed
S
t
o
r
ag
e (
S
A
-
E
D
S
)
m
ode
l
.
I
n
t
h
i
s
m
o
de
l
,
w
e
u
s
e
d ou
r
pr
opos
e
d a
l
g
or
i
t
hm
s
,
i
n
c
l
u
di
ng
A
lte
r
n
a
ti
v
e
D
a
ta
D
i
s
tr
ib
u
tio
n
(
A
D
2
)
,
S
e
c
u
r
e
E
f
f
ic
ie
n
t
D
a
ta
D
is
tr
ib
u
tio
n
s
(
S
E
D
2
)
a
n
d
E
f
f
ic
ie
n
t
D
a
ta
C
onf
l
a
t
i
on (
E
D
C
on
)
a
l
g
or
i
t
hm
s
.
O
u
r
e
x
pe
r
i
m
e
n
t
a
l
e
v
a
l
u
a
t
i
on
s
h
a
d pr
ov
e
d
t
h
a
t
o
u
r
pr
opos
e
d s
c
h
e
m
e
c
ou
l
d
ef
f
ec
t
i
v
e
l
y
d
ef
e
n
d
m
aj
o
r
t
h
r
eat
s
f
r
o
m
c
l
o
u
d
-
s
i
d
e[
3
]
[
4
]
.
T
h
e co
m
p
u
t
at
i
o
n
t
i
m
e
w
as
s
h
o
r
t
er
t
h
an
c
u
r
r
en
t
act
i
v
e
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SSN
:
25
02
-
4752
I
nd
o
ne
s
i
a
n J
E
l
e
c
E
ng
&
C
o
m
p
Sc
i
,
Vo
l
.
11
, N
o
.
1
,
J
ul
y
201
8
:
2
68
–
274
270
ap
p
r
o
ach
es
.
F
u
t
u
r
e
w
o
r
k
w
o
u
l
d
ad
d
r
es
s
s
ec
u
r
i
n
g
d
at
a d
u
p
l
i
cat
i
o
n
s
i
n
o
r
d
er
t
o
i
n
cr
eas
e t
h
e l
e
v
el
o
f
d
at
a
a
v
a
ila
b
ilit
y
s
i
n
ce a
n
y
o
f
d
at
a
cen
t
er
’
s
d
o
w
n
w
i
l
l
cau
s
e t
h
e
f
ai
l
u
r
e o
f
d
at
a r
et
r
i
ev
a
l
s
.
A
h
m
ed
A
l
a
h
m
ad
i
,
M
ai
A
b
d
e
l
ha
ki
m
,
J
i
a
n
R
e
n,
a
nd
T
o
ngt
o
ng
L
i
.
I
n I
E
E
E
T
r
a
ns
a
c
t
i
o
ns
o
n I
nf
o
r
m
a
t
i
o
n
F
o
r
e
ns
i
c
s
A
nd
S
e
c
ur
i
t
y
,
V
o
l
.
9
,
N
o
.
5
,
M
ay
2
0
1
4
em
p
h
as
i
z
e o
n
,
a r
el
i
ab
l
e
A
E
S
-
a
s
si
st
e
d
D
T
V
s
c
h
e
m
e
w
a
s
pr
opos
e
d f
or
r
obu
s
t
pr
i
m
a
r
y
a
n
d
s
eco
n
d
ar
y
s
y
s
t
e
m
o
p
er
at
i
o
n
s
u
n
d
er
p
r
i
m
ar
y
u
s
er
e
m
u
l
at
i
o
n
at
t
ack
s
.
I
n
t
h
e p
r
o
p
o
s
ed
s
ch
e
m
e,
an
A
E
S
-
en
cr
y
p
t
ed
r
ef
er
en
ce
s
i
g
n
a
l
i
s
g
en
er
at
ed
at
t
h
e T
V
t
r
an
s
m
i
t
t
er
an
d
u
s
ed
a
s
t
h
e
s
y
n
c b
i
t
s
o
f
t
h
e D
T
V
d
at
a
f
ra
m
e
s
[5
]
[
6
]
.
B
y
al
l
o
w
i
n
g
a s
h
ar
ed
s
ecr
et
b
et
w
ee
n
t
h
e t
r
an
s
m
i
t
t
er
an
d
t
h
e r
ecei
v
er
,
t
h
e r
ef
er
en
ce
s
i
g
n
al
ca
n
b
e r
eg
en
er
at
ed
at
t
h
e r
ecei
v
e
r
an
d
b
e u
s
ed
t
o
ach
i
e
v
e acc
u
r
at
e
i
d
en
t
i
f
i
cat
i
o
n
o
f
a
u
t
h
o
r
i
zed
p
r
i
m
ar
y
u
s
er
s
.
M
o
r
e
o
ve
r
,
w
he
n c
o
m
b
i
ne
d
w
i
t
h t
he
a
na
l
ys
i
s
o
n t
he
a
ut
o
-
co
r
r
el
at
i
o
n
o
f
t
h
e r
ecei
v
ed
s
i
g
n
al
,
t
h
e p
r
es
en
ce o
f
t
h
e
m
al
i
ci
o
u
s
u
s
er
can
b
e d
et
ect
ed
accu
r
at
el
y
n
o
m
at
t
er
t
h
e p
r
i
m
ar
y
u
s
er
i
s
p
r
es
en
t
o
r
n
o
t
.
T
h
e p
r
o
p
o
s
ed
ap
p
r
o
ach
i
s
p
r
act
i
cal
l
y
f
eas
i
b
l
e i
n
t
h
e
s
en
s
e t
h
at
i
t
can
ef
f
ect
i
v
el
y
co
m
b
at
P
U
E
A
w
i
t
h
n
o
c
h
a
n
ge
i
n
ha
r
d
w
a
r
e
o
r
s
y
s
t
e
m
s
t
r
u
ct
u
r
e
ex
cep
t
o
f
a
p
l
u
g
-
i
n
A
E
S
c
h
ip
.
P
o
te
n
tia
ll
y
,
it
c
a
n
b
e
a
p
p
lie
d
d
ir
e
c
tl
y
to
to
d
a
y
’
s
H
D
T
V
s
ys
t
e
m
s
f
o
r
m
o
r
e
r
o
b
us
t
s
p
e
c
t
r
u
m
s
ha
r
i
ng.
:
B
E
s
w
a
r
a
R
e
d
d
y,
G
a
nd
i
ko
t
a
R
a
m
u e
t
.
a
l
:
I
E
E
E
2
nd
I
nt
e
r
na
t
i
o
na
l
C
o
n
f
er
en
ce o
n
B
i
g
D
at
a S
ec
u
r
i
t
y
o
n
C
l
o
u
d
,
I
E
E
E
I
n
t
er
n
at
i
o
n
al
C
o
n
f
er
en
ce o
n
H
i
g
h
P
er
f
o
r
m
a
n
ce an
d
S
m
ar
t
C
o
m
put
i
ng
,
I
E
E
E
I
nt
e
r
n
a
t
i
o
na
l
C
onf
e
r
e
n
c
e
on
I
n
t
e
l
l
i
g
e
n
t
D
a
t
a
a
n
d
S
e
c
u
r
i
t
y
,
2016,
s
t
r
e
s
s
on T
h
e
f
u
l
f
i
l
m
e
n
t
o
f
d
a
t
a
p
r
i
va
c
y a
nd
i
d
e
nt
i
t
y
p
r
i
va
c
y a
r
e
t
he
m
a
j
o
r
c
ha
l
l
e
n
gi
ng
i
s
s
ue
s
i
n t
he
E
H
R
'
s
in
te
g
r
i
t
y
a
u
d
iti
n
g
s
y
s
te
m
.
I
n
t
hi
s
s
t
u
d
y
,
w
e
i
n
t
r
odu
c
e
d a
f
r
a
m
e
w
or
k
f
or
s
e
c
u
r
e
a
u
di
t
i
ng
of
E
H
R
'
s
i
n
c
l
ou
d
s
e
r
v
e
r
s
[
7]
[
8]
.
T
h
e
pr
o
pos
e
d
f
r
a
m
e
w
o
r
k
u
se
s
CP
-
AB
E
s
c
h
e
m
e
wi
t
h
t
w
o
-
a
ut
ho
r
i
t
y
ke
y
c
o
m
p
ut
a
t
i
o
n
m
e
t
ho
d
.
T
he
r
e
f
o
r
e
,
t
he
p
ub
l
i
c
a
ud
i
t
o
r
ve
r
i
f
i
e
s
t
he
d
at
a
w
i
t
h
o
u
t
acce
s
s
i
n
g
co
m
p
l
et
e d
at
a,
an
d
h
e c
an
n
o
t
r
e
v
eal
t
h
e p
at
i
en
t
i
d
en
t
i
t
y
i
n
a
n
y
ca
s
e.
T
h
i
s
f
r
a
m
e
w
o
r
k a
l
l
o
w
s
t
he
a
ud
i
t
o
r
s
t
o
p
e
r
f
o
r
m
a
ud
i
t
i
ng t
a
s
k
s
i
m
ul
t
a
ne
o
us
l
y
t
o
e
n
ha
nc
e
t
he
e
f
f
i
c
i
e
nc
y
o
f
a
ud
i
t
i
n
g
t
a
s
k.
I
n t
hi
s
f
r
a
m
e
w
o
r
k,
t
he
c
l
o
ud
o
r
K
G
A
d
o
e
s
no
t
acces
s
t
h
e p
l
ai
n
t
ex
t
i
n
d
i
v
i
d
u
al
l
y
,
s
o
t
h
er
e i
s
n
o
ch
a
n
ce o
f
m
i
s
us
i
ng
o
f
da
t
a
i
n t
h
e
c
l
ou
d,
i
t
i
s
a
v
e
r
y
i
m
por
t
a
nt
f
e
a
t
u
r
e
t
o s
u
ppor
t
h
e
a
l
t
h
c
a
r
e
da
t
a
a
u
di
t
i
ng
s
y
s
t
e
m
[
9]
[
10]
.
T
hi
s
a
na
l
ys
i
s
e
xp
l
a
i
ns
t
ha
t
t
he
f
r
a
m
e
w
o
r
k i
s
s
e
c
ur
e
a
nd
e
f
f
i
c
i
e
nt
.
3.
P
RO
P
O
S
E
D M
E
T
HOD
T
h
e
p
r
o
p
o
s
e
d
s
y
s
te
m
a
r
c
h
ite
c
tu
r
e
is
i
llu
s
tr
a
te
d
in
F
i
g
.
-
1
,
T
h
e s
y
s
t
e
m
accep
t
s
t
h
e b
i
g
d
at
a i
n
p
u
t
f
i
l
e
a
n
d
id
e
n
ti
f
y
t
h
e
s
e
n
s
i
tiv
e
d
a
ta
u
s
i
n
g
a
ttr
ib
u
te
r
e
la
tio
n
m
e
t
h
o
d
s
a
n
d
s
p
lit th
e
b
u
g
f
i
le
in
to
t
w
o
a
n
d
m
a
s
k
th
e
s
p
lit
f
ile
th
e
n
tr
a
n
s
m
i
t t
h
e
f
il
e
to
t
h
e
d
es
t
i
n
at
i
o
n
a
n
d
d
a
m
as
k
ap
p
r
o
p
r
i
at
el
y
a
n
d
cal
c
u
l
a
t
e
t
h
e
p
er
f
o
r
m
a
n
c
e
p
a
r
a
m
e
te
r
s
a
f
te
r
th
e
m
e
r
g
i
n
g
th
e
s
p
lit f
ile
to
g
e
t th
e
o
r
ig
i
n
a
l f
ile
.
O
u
r
a
p
p
r
o
a
c
h
is
d
e
s
i
g
n
e
d
to
d
iv
id
e
th
e
s
e
ns
i
t
i
v
e
da
t
a
i
n
t
o t
w
o e
n
c
r
y
p
t
e
d pa
r
t
s
f
or
di
s
t
r
i
bu
t
e
d
s
t
or
a
ge
i
n t
w
o di
f
f
e
r
e
nt
p
h
ys
i
c
a
l
l
o
c
a
t
i
o
ns
.
T
he
i
np
ut
s
in
c
l
u
d
e
th
e
i
n
itia
l
d
a
ta
t
h
a
t c
o
n
s
is
t o
f
a
s
tr
in
g
o
f
d
a
ta
p
a
c
k
e
ts
,
w
h
ic
h
c
o
n
ta
i
n
s
e
n
s
iti
v
e
in
f
o
r
m
a
tio
n
.
T
h
e
o
u
t
p
u
t
s
ar
e t
w
o
s
ep
ar
at
e d
at
a p
ack
et
s
t
h
at
w
i
l
l
b
e t
r
an
s
m
i
t
t
ed
t
o
d
i
f
f
er
e
n
t
p
h
y
s
i
cal
l
o
cat
i
o
n
s
.
T
h
e n
e
w
g
en
er
at
ed
d
at
a
p
ack
et
s
n
eed
t
o
p
er
f
ect
l
y
h
i
d
e
t
h
e
s
en
s
i
t
i
v
e
i
n
f
o
r
m
at
i
o
n
s
o
t
h
at
an
at
t
ac
k
er
can
n
o
t
r
ead
t
h
e
i
n
f
o
r
m
a
t
i
o
n e
ve
n t
ho
ug
h he
o
r
s
he
ha
s
a
c
c
e
s
s
t
o
t
he
d
a
t
a
.
F
i
g
ur
e
1
: A
r
c
h
ite
c
t
u
r
e
o
f
th
e
P
r
opos
e
d S
y
s
t
e
m
T
h
e
pr
opos
e
d a
l
g
or
i
t
hm
pe
r
f
or
m
s
be
l
o
w
s
t
e
ps
:
1.
I
n
p
u
t
t
h
e
B
i
g
D
at
a,
α
a
n
d
β
,
t
h
at
ar
e
acq
u
i
r
ed
f
r
o
m
d
i
f
f
er
e
n
t
p
h
y
s
i
cal
l
o
cat
i
o
n
s
.
2.
T
h
e
k
e
y
K
f
r
o
m
th
e
r
e
g
is
tr
y
th
a
t
m
a
i
n
ta
i
n
s
k
e
y
s
.
(
A
ttr
ib
u
te
R
e
la
tio
n
M
e
t
h
o
d
)
3.
I
n
i
t
i
a
l
i
z
e
t
h
e
d
a
t
a
s
e
t
s
γ
, γ
1
, a
n
d
D
.
4.
S
p
lit
th
e
f
ile
u
s
i
n
g
X
O
R
o
p
e
r
a
tio
n
to
b
o
th
α
a
n
d
β
b
y
u
s
i
n
g
t
he
ke
y,
K
.
(
M
a
s
ki
n
g)
5.
Me
r
g
e
γ
, γ
1
t
o
r
e
t
r
i
e
v
e
o
r
i
g
i
n
a
l
d
a
t
a
D
. O
u
t
p
u
t
D
. (
D
e
m
a
s
k
i
n
g
)
Evaluation Warning : The document was created with Spire.PDF for Python.
I
nd
o
ne
s
i
a
n J
E
l
e
c
E
ng
&
C
o
m
p
S
c
i
I
SSN
:
2502
-
4752
B
i
g D
at
a Se
c
ur
i
t
y
A
r
c
hi
t
e
c
t
ur
e
us
i
ng Spl
i
t
a
nd M
e
r
ge
M
e
t
h
od
(
A
r
c
hana
R
A
)
271
I
n M
a
s
ki
n
g P
ha
s
e
,
t
he
i
np
ut
s
o
f
t
hi
s
a
l
go
r
i
t
h
m
i
nc
l
ud
e
t
he
t
w
o
s
p
l
i
t
c
o
m
p
o
ne
nt
s
o
f
t
he
s
e
ns
i
t
i
ve
d
a
t
a
t
h
at
i
s
t
o
b
e en
cr
y
p
t
ed
an
d
t
h
e r
an
d
o
m
l
y
g
e
n
er
at
ed
k
e
y
.
T
h
e t
w
o
co
m
p
o
n
e
n
t
s
a
r
e
in
itia
li
z
e
d
a
s
s
e
ts
R
a
n
d
C
f
o
r
r
ep
r
es
en
t
at
i
o
n
.
E
ach
o
f
t
h
e t
w
o
s
et
s
i
s
s
u
b
j
ect
ed
t
o
X
O
R
o
p
er
at
i
o
n
w
i
t
h
t
h
e r
an
d
o
m
k
e
y
.
T
h
i
s
k
e
y
i
s
c
o
m
m
o
n f
o
r
a
gi
ve
n f
i
l
e
i
np
ut
,
b
ut
va
r
i
e
s
f
o
r
d
i
f
f
e
r
e
nt
f
i
l
e
i
np
ut
s
.
I
t
m
us
t
b
e
m
a
i
nt
a
i
ne
d
i
n a
s
p
e
c
i
a
l
r
e
gi
s
t
r
y
an
d
co
m
m
u
n
i
cat
ed
s
ec
u
r
el
y
t
o
a l
eg
i
t
i
m
at
e
u
s
er
o
f
t
h
e i
n
f
o
r
m
at
i
o
n
[
1
]
[
2
]
.
T
h
e X
O
R
o
p
er
at
i
o
n
r
es
u
l
t
s
i
n
t
w
o
o
u
tp
u
t
s
e
ts
n
a
m
e
l
y
,
α
a
n
d
β
.
T
h
e
s
e
a
r
e
t
h
e
n
s
a
v
e
d
in
d
if
f
e
r
e
n
t
p
h
y
s
ic
a
l
lo
c
a
tio
n
s
w
i
th
i
n
t
h
e
ta
r
g
e
t
f
ile
s
y
s
te
m
.
T
h
is
is
d
e
p
ic
te
d
in
F
i
g
ur
e
2.
F
i
g
ur
e
2.
M
a
s
ki
ng P
ha
s
e
I
n d
e
m
a
s
ki
n
g
p
h
as
e
i
s
d
es
i
g
n
ed
t
o
en
ab
l
e u
s
er
s
t
o
g
ai
n
t
h
e i
n
f
o
r
m
at
i
o
n
b
y
co
n
v
er
g
i
n
g
t
w
o
d
at
a
c
om
pon
e
n
t
s
f
r
o
m
di
s
t
r
i
bu
t
e
d
s
t
or
a
g
e
l
oc
a
t
i
ons
.
I
n
p
u
t
s
of
t
hi
s
a
l
g
or
i
t
hm
i
n
c
l
u
de
t
w
o
da
t
a
c
o
m
pon
e
nt
s
,
α
,
β
,
an
d
t
h
e ap
p
r
o
p
r
i
at
e k
ey
,
K
.
A
l
o
g
o
f
al
l
s
es
s
i
o
n
k
e
y
s
m
u
s
t
b
e m
ai
n
t
ai
n
ed
an
d
t
ag
g
ed
.
A
cco
r
d
i
n
g
t
o
t
h
e d
at
a
to
b
e
d
e
c
r
y
p
te
d
th
e
r
ig
h
t k
e
y
i
n
s
ta
n
c
e
m
u
s
t b
e
u
s
e
d
.
I
t is
d
e
p
ic
te
d
in
F
i
gur
e
3
.
F
i
g
ur
e
3.
De
-
M
a
s
ki
ng P
ha
s
e
T
h
e
pr
opos
e
d
m
ode
l
ach
i
ev
e
s
d
at
a co
n
f
i
d
en
t
i
a
l
i
t
y
w
i
t
h
m
i
n
i
m
u
m
o
v
er
h
ead
s
i
n
ce a
n
i
l
l
e
g
i
t
i
m
at
e
u
s
er
w
i
t
h
o
u
t
t
h
e ap
p
r
o
p
r
i
at
e k
e
y
ca
n
n
o
t
acce
s
s
t
h
e p
r
o
t
ect
ed
d
at
a.
I
f
i
n
an
y
ca
s
e,
an
at
t
ack
er
o
b
t
ai
n
s
t
h
e
k
e
y
,
h
e o
r
s
h
e
m
a
y
n
o
t a
b
le
to
r
e
tr
ie
v
e
th
e
c
o
m
p
le
te
in
f
o
r
m
a
tio
n
s
i
n
c
e
th
e
o
r
ig
in
a
l d
a
ta
p
a
c
k
e
t is
s
p
l
it in
to
c
o
m
p
o
n
e
n
t
s
.
T
h
e at
t
ack
er
i
s
f
o
o
l
ed
i
n
t
o
t
h
i
n
k
i
n
g
t
h
e d
at
a
h
a
s
b
een
al
t
er
e
d
.
T
o
r
et
r
i
ev
e t
h
e
o
r
i
g
i
n
al
d
at
a as
i
t
i
s
,
b
o
t
h
t
h
e
da
t
a
c
om
pon
e
n
t
s
m
us
t
be
de
c
r
y
pt
e
d a
n
d
m
e
r
g
e
d i
n
or
de
r
t
o e
n
s
u
r
e
t
h
a
t
da
t
a
i
n
t
e
g
r
i
t
y
h
a
s
not
be
e
n
lo
s
t.
4.
RE
S
U
L
T
S
AND D
I
S
CU
S
S
I
O
NS
T
he
pr
o
pos
e
d
m
e
t
h
ods
h
a
v
e b
een
ex
p
er
i
m
en
t
ed
o
n
t
ex
t
f
i
l
e,
i
m
a
g
e an
d
a
u
d
i
o
f
i
l
e
s
o
f
s
i
ze
1
MB
d
at
a
o
f
each
an
d
ex
ec
u
t
ed
t
h
e al
g
o
r
i
t
h
m
s
an
d
ex
t
r
act
ed
t
h
e t
i
m
e v
er
s
u
s
a
n
d
s
i
ze f
o
r
i
n
d
i
v
i
d
u
al
d
at
a s
et
s
an
d
p
r
o
v
id
e
f
le
x
ib
il
it
y
a
r
oun
d
h
ow
t
h
e
da
t
a
w
i
l
l
be
m
a
s
k
e
d a
n
d e
ns
u
r
e
t
h
a
t
bus
i
n
e
s
s
r
u
l
e
s
of
t
h
e
e
n
t
e
r
pr
i
s
e
a
p
p
lic
a
tio
n
w
ill n
o
t b
e
i
m
p
a
c
t
e
d
.
A
te
x
t f
i
le
w
it
h
a
.
tx
t e
x
te
n
s
io
n
is
c
h
o
s
e
n
a
t r
a
n
d
o
m
a
n
d
th
e
te
x
t f
ile
is
s
p
lit
i
nt
o
t
w
o
c
o
m
p
o
ne
n
t
s
w
h
i
c
h i
s
t
he
n e
nc
r
y
p
t
e
d
us
i
n
g t
he
a
b
o
v
e s
ai
d
al
g
o
r
i
t
h
m
.
T
h
e
F
i
gur
e
4
r
ep
r
es
en
t
s
t
h
e
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SSN
:
25
02
-
4752
I
nd
o
ne
s
i
a
n J
E
l
e
c
E
ng
&
C
o
m
p
Sc
i
,
Vo
l
.
11
, N
o
.
1
,
J
ul
y
201
8
:
2
68
–
274
272
T
i
m
e v
s
S
i
ze
g
r
ap
h
t
h
a
t
i
l
l
u
s
t
r
at
es
h
o
w
t
h
e
m
a
s
k
i
n
g
t
i
m
e b
eh
av
e
s
w
i
t
h
i
n
cr
ea
s
e i
n
d
at
a s
i
z
e.
A
s
s
h
o
w
n
t
i
m
e i
s
lin
e
a
r
l
y
p
r
o
p
o
r
tio
n
a
l to
th
e
s
iz
e
.
F
i
g
ur
e
4.
T
i
m
e v
s
S
i
ze f
o
r
T
e
x
t F
ile
o
f 1
M
B
Si
z
e
T
he
i
m
a
ge
f
ile
w
i
t
h
.
j
pg
e
x
t
e
n
s
i
o
n
us
i
ng
t
h
e
pr
opos
e
d a
l
g
or
i
t
hm
.
T
h
e
F
i
gur
e
5
r
ep
r
een
t
s
t
h
e T
i
m
e
V
s
S
i
ze
g
r
ap
h
t
h
at
i
l
l
u
s
t
r
at
es
h
o
w
t
h
e
m
a
s
k
i
n
g
t
i
m
e
b
eh
a
v
es
w
i
t
h
i
n
cr
eas
e
i
n
d
at
a
s
i
ze
.
A
s
s
h
o
w
n
t
i
m
e
i
s
lin
e
a
r
l
y
p
r
o
p
o
r
tio
n
a
l to
th
e
s
iz
e
.
F
i
g
ur
e
5.
T
i
m
e v
s
S
i
ze f
o
r
I
m
ag
e F
i
l
e
of
1M
B
Si
z
e
T
he
A
ud
i
o
f
i
l
e
w
i
t
h .
a
vi
e
xt
e
ns
i
o
n u
s
i
n
g t
he
p
r
o
p
o
s
e
d
a
l
gor
i
t
h
m
.
T
he
F
i
g
ur
e
6
r
ep
r
een
t
s
t
h
e T
i
m
e
V
s
S
i
ze
g
r
ap
h
t
h
at
i
l
l
u
s
t
r
at
es
h
o
w
t
h
e
m
a
s
k
i
n
g
t
i
m
e
b
eh
a
v
es
w
i
t
h
i
n
cr
eas
e
i
n
d
at
a
s
i
ze
.
A
s
s
h
o
w
n
t
i
m
e
i
s
lin
e
a
r
l
y
p
r
o
p
o
r
tio
n
a
l to
th
e
s
iz
e
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
nd
o
ne
s
i
a
n J
E
l
e
c
E
ng
&
C
o
m
p
S
c
i
I
SSN
:
2502
-
4752
B
i
g D
at
a Se
c
ur
i
t
y
A
r
c
hi
t
e
c
t
ur
e
us
i
ng Spl
i
t
a
nd M
e
r
ge
M
e
t
h
od
(
A
r
c
hana
R
A
)
273
F
i
g
ur
e
6.
T
i
m
e
vs
S
i
z
e
f
or
A
udi
o
F
ile
of
1M
B
Si
z
e
T
he
b
i
g
d
a
t
a
ha
s
he
t
e
r
o
ge
ne
o
us
d
a
t
a
s
e
t
s
a
nd
s
e
c
ur
i
n
g
s
uc
h
d
a
t
a
s
e
t
s
i
s
a
c
ha
l
l
e
n
gi
n
g
t
a
s
k
i
n
t
he
cu
r
r
en
t
d
i
g
i
t
al
er
a.
T
o
ach
i
ev
e t
h
e
sa
i
d
o
u
t
co
m
es
,
o
r
g
an
i
zat
i
o
n
s
n
eed
t
o
b
e ab
l
e
t
o
h
an
d
l
e i
t
ef
f
i
ci
e
n
t
l
y
,
q
u
i
ck
l
y
,
an
d
b
ecau
s
e o
f
t
e
n
t
h
i
s
d
at
a
w
i
l
l
i
n
cl
u
d
e s
e
n
s
i
t
i
v
e i
n
f
o
r
m
at
i
o
n
n
eed
s
s
ec
u
r
i
t
y
at
d
i
f
f
er
en
t
s
cal
es
.
5.
C
O
N
C
LU
S
IO
N
I
n
c
u
r
r
e
n
t
bus
i
n
e
s
s
s
c
e
n
a
r
i
o,
on
s
i
t
e
of
f
s
h
or
e
m
ode
l
a
n
d f
a
c
t
or
y
m
ode
l a
r
e
f
a
m
ilia
r
a
n
d
m
a
n
y
o
r
g
an
i
zat
i
o
n
s
h
es
i
t
at
e l
o
o
k
i
n
g
at
s
ec
u
r
i
t
y
f
act
o
r
s
,
b
i
g
d
at
a b
o
o
m
i
s
i
n
cr
eas
i
n
g
d
a
y
b
y
d
a
y
w
h
i
c
h
h
as
d
i
f
f
er
en
t
v
ar
i
et
i
es
o
f
d
at
a s
o
u
r
ces
w
h
i
ch
n
eed
s
t
o
b
e s
ec
u
r
ed
b
as
ed
o
n
t
h
e c
u
s
t
o
m
er
e
x
p
ect
at
i
o
n
s
a
n
d
ap
p
l
i
cat
i
o
n
s
p
eci
f
i
c,
t
h
e p
r
o
p
os
e
d s
ol
u
t
i
on
s
a
r
e
c
on
c
e
r
n
e
d a
bou
t
de
pl
oy
i
n
g
t
h
e
pr
opos
e
d s
ol
u
t
i
on
i
n
t
he
f
i
r
s
t
pl
a
c
e
.
I
n
t
h
i
s
w
or
k
w
e
f
oc
us
e
d on t
h
e
pr
obl
e
m
o
f
s
e
c
u
r
i
t
y
o
f
t
h
e
v
a
r
i
e
t
y
of
da
t
a
t
h
a
t
i
s
pr
e
s
e
n
t
o
n
a
bi
g
da
t
a
pl
a
t
f
or
m
a
n
d
ai
m
ed
t
o
p
r
o
v
i
d
e an
ap
p
r
o
ac
h
t
h
at
co
u
l
d
p
r
o
t
ect
s
en
s
i
t
i
v
e
da
t
a
.
A
ddr
e
s
s
i
ng
t
h
i
s
g
oa
l
,
w
e
pr
o
pos
e
d a
n
ov
e
l
ap
p
r
o
ach
en
t
i
t
l
ed
as
s
p
l
i
t
an
d
m
er
g
e
m
et
h
o
d
t
o
ev
al
u
at
e t
h
e
ex
p
ect
ed
p
er
f
o
r
m
an
ce d
i
m
e
n
s
i
o
n
s
,
w
e e
v
al
u
at
ed
t
h
e p
r
o
p
o
s
ed
m
o
d
el
b
y
as
s
e
s
s
i
n
g
i
t
s
e
x
ecu
t
i
o
n
t
i
m
e
a
n
d
s
i
z
e
w
h
i
l
e d
i
f
f
er
e
n
t
i
n
p
u
t
d
at
a
s
i
zes
w
er
e o
p
er
at
ed
.
T
hi
s
m
o
d
e
l
ha
s
p
r
o
ve
n t
o
b
e
s
uc
c
e
s
s
f
ul
i
n p
e
r
f
o
r
m
i
ng t
he
m
a
s
ki
n
g a
nd
d
e
m
a
s
ki
n
g o
f
d
i
f
f
e
r
e
nt
f
i
l
e
f
o
r
m
a
t
s
R
EF
ER
EN
C
ES
[
1]
M
een
ak
s
h
i
R
K
et
.
al
,
“R
T
L
M
o
d
el
l
i
n
g
f
o
r
t
h
e C
i
p
h
er
B
l
o
ck
C
h
ai
n
i
n
g
M
o
d
e (
C
B
C
)
f
o
r
D
at
a S
ecu
r
i
t
y
”,
I
n
d
on
e
s
i
an
J
o
u
r
n
a
l o
f Ele
c
tr
ic
al
E
n
gi
ne
e
r
i
n
g a
nd
C
om
p
ut
e
r
Sc
i
e
nc
e
,
V
ol
.
8
,
N
o.
3,
D
e
c
e
m
be
r
201
7,
pp
.
7
0
9 ~
7
11 D
O
I
:
10.
11
59
1/
i
j
e
e
c
s
.
v
8.
i
3
.
p
p7
09
-
7
11
[
2]
S
K
u
m
ar
as
w
a
m
y
et
.
al
,
“S
ecu
r
e C
l
o
u
d
b
as
ed
P
r
i
v
ac
y
P
r
es
er
v
i
n
g
D
at
a M
i
n
n
i
n
g
P
l
at
f
o
r
m
”,
I
ndone
s
i
an J
o
ur
n
al
o
f
E
l
e
c
t
r
i
c
al
E
ngi
ne
e
r
i
ng a
nd
C
om
put
e
r
Sc
i
e
nc
e
,
V
ol
.
7
,
N
o.
3,
S
e
pt
e
m
be
r
2017,
p
p.
8
30
~
838 D
O
I
:
10.
11
59
1/
i
j
e
e
c
s
.
v
7.
i
3
.
p
p8
30
-
8
38
[
3]
K
ek
e
G
ai
,
M
ei
k
an
g
Q
i
u
,
H
u
i
Z
h
ao
,
“S
ecu
r
i
t
y
-
A
w
ar
e E
f
f
i
ci
en
t
M
as
s
D
i
s
t
r
i
b
u
t
ed
S
t
o
r
ag
e”,
2
nd
I
E
E
E
I
n
t
e
r
na
t
i
on
al
C
onf
e
r
e
nc
e
o
n H
i
g
h P
e
r
f
or
m
a
nc
e
an
d Sm
ar
t
C
om
put
i
n
g (
H
P
SC
)
,
N
e
w
y
or
k
,
2016
.
[
4]
A
ppr
oa
c
h f
or
C
l
oud
S
y
s
t
e
m
s
i
n B
i
g
D
a
t
a
,
“
I
E
E
E
I
nt
e
r
na
t
i
o
n
a
l
C
onf
e
r
e
nc
e
on H
i
g
h P
e
r
f
or
m
a
nc
e
a
nd S
m
a
r
t
C
om
put
i
ng
”
,
I
E
E
E
I
nt
e
r
n
at
i
o
na
l
C
onf
e
r
e
nc
e
o
n I
nt
e
l
l
i
ge
nt
D
at
a a
nd
Se
c
ur
i
t
y
,
20
16
[
5]
K
. G
a
i
, M
. Q
i
u
, B
. T
h
u
r
a
i
s
i
n
g
h
a
m
,
a
n
d
L
.
T
a
o
, “
P
r
o
act
i
v
e at
t
r
i
b
u
t
e b
as
ed
s
ecu
r
e d
at
a
s
ch
e
m
a
f
o
r
m
o
b
i
l
e cl
o
u
d
i
n
f
i
na
nc
i
a
l
i
ndus
t
r
y
”
,
I
n
T
he
I
E
E
E
I
nt
e
r
nat
i
on
al
Sy
m
pos
i
um
o
n B
i
g
D
at
a
Se
c
ur
i
t
y
on C
l
ou
d;
17t
h I
E
E
E
I
nt
e
r
n
at
i
o
na
l
C
onf
e
r
e
nc
e
o
n H
i
g
h P
e
r
f
or
m
a
nc
e
C
om
p
ut
i
n
g
an
d C
om
m
u
ni
c
a
t
i
o
ns
,
pa
g
e
s
133
2
–
1
33
7,
N
e
w
Y
or
k
,
U
S
A
,
201
5.
[
6]
K
.
G
a
i
,
M
.
Q
i
u,
L
.
C
he
n,
a
nd
M
.
L
i
u,
“
E
l
e
c
t
r
oni
c
he
a
l
t
h r
e
c
or
d e
r
r
or
pr
e
v
e
nt
i
o
n a
ppr
oa
c
h us
i
ng
o
nt
ol
og
y
i
n bi
g
d
at
a”,
I
n
1
7t
h
I
E
E
E
I
nt
e
r
n
at
i
o
nal
C
onf
e
r
e
nc
e
o
n H
i
g
h P
e
r
f
or
m
a
nc
e
C
om
put
i
ng
a
nd C
om
m
un
i
c
at
i
o
ns
,
p
a
ge
s
7
52
–
7
5
7
,
Ne
w
Yo
r
k
,
US
A
,
2015
.
[
7]
Y
.
L
i
,
M
.
C
he
n
,
W
.
D
a
i
,
a
nd
M
.
Q
i
u,
“
E
ne
r
g
y
opt
i
m
i
z
a
t
i
on w
i
t
h dy
na
m
i
c
t
a
s
k
s
c
he
dul
i
ng
m
obi
l
e
c
l
o
u
d
c
om
put
i
ng
”
,
I
E
E
E
S
ys
t
em
s
J.
,
p
ag
e
s
1
–
1
0,
J
un
20
15
.
[
8]
Y
.
L
i
,
W
.
D
a
i
,
Z
.
M
i
ng
,
a
n
d M
.
Q
i
u,
“
P
r
i
v
a
c
y
pr
ot
e
c
t
i
on f
or
pr
e
v
e
nt
i
ng
da
t
a
ov
e
r
-
co
l
l
ect
i
o
n
i
n
s
m
ar
t
ci
t
y
”,
I
E
E
E
T
r
ans
ac
t
i
ons
on
C
om
put
e
r
s
,
P
P
:
1,
2
01
5.
[
9]
X
.
H
e
,
C
.
W
a
ng
,
T
.
L
i
u,
K
.
G
a
i
,
D
.
C
he
n,
a
nd L
.
B
a
i
,
“
R
e
s
e
a
r
c
h on c
a
m
pus
m
obi
l
e
m
ode
l
ba
s
e
d on pe
r
i
odi
c
pur
pos
e
f
or
oppor
t
uni
s
t
i
c
ne
t
w
or
k
”
,
I
n
2015 I
E
E
E
1
7t
h I
n
t
e
r
nat
i
o
nal
C
o
nf
e
r
e
nc
e
on H
i
gh P
e
r
f
or
m
anc
e
C
om
put
i
n
g
and
C
om
m
u
ni
c
at
i
o
ns
,
p
a
ge
s
7
82
–
7
8
5
, N
e
w
Y
o
r
k
, U
S
A
, 2
0
1
5
. I
E
E
E
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SSN
:
25
02
-
4752
I
nd
o
ne
s
i
a
n J
E
l
e
c
E
ng
&
C
o
m
p
Sc
i
,
Vo
l
.
11
, N
o
.
1
,
J
ul
y
201
8
:
2
68
–
274
274
[
1
0]
K
.
G
a
i a
n
d
A
.
S
te
e
n
k
a
m
p
,
“
A
f
e
a
s
ib
ility
s
tu
d
y
o
f
P
la
tf
o
r
m
-
as
-
a
-
S
e
r
v
i
c
e
us
i
ng
c
l
oud c
om
put
i
ng
f
or
a
g
l
oba
l
s
e
r
v
i
c
e
o
r
g
an
i
zat
i
o
n
”,
J
our
n
al
of
I
nf
or
m
a
t
i
on
Sy
s
t
e
m
A
p
pl
i
e
d
R
e
s
e
ar
c
h
,
7
:2
8
–
4
2,
20
14
.
[
1
1]
M
.
Q
i
u
,
Z
.
M
i
ng
,
J
.
W
a
ng
,
L
.
Y
a
ng
,
a
nd
Y
.
X
i
a
ng
,
“
E
na
bl
i
n
g
c
l
oud
c
om
put
i
ng
i
n e
m
e
r
g
e
nc
y
m
a
na
g
e
m
e
nt
s
y
s
t
e
m
s
”,
C
l
oud
C
om
p
ut
i
ng,
I
E
E
E
,
1(
4)
:
6
0
–
6
7,
20
14
.
[
1
2]
C
.
W
a
ng
,
Q
.
W
a
ng
,
K
.
R
e
n,
N
.
C
a
o,
a
nd W
.
L
ou,
“
T
ow
a
r
d s
e
c
ur
e
a
nd de
pe
nda
bl
e
s
t
or
a
g
e
s
e
r
v
i
c
e
s
i
n
c
l
o
ud
c
om
put
i
ng
”
,
I
E
E
E
T
r
ans
.
O
n
Se
r
v
i
c
e
s
C
om
put
i
n
g
,
5(
2)
:
2
20
–
2
32,
2
012
.
[
1
3]
M
.
M
o
zaf
f
ar
i
-
K
er
m
an
i
an
d
A
.
R
e
y
h
an
i
-
M
a
s
o
le
h
,
“
A
lig
h
tw
e
ig
h
t h
ig
h
-
p
er
f
o
r
m
an
ce
f
au
l
t
d
et
ect
i
o
n
s
ch
em
e f
o
r
t
h
e
a
dv
a
nc
e
d e
nc
r
y
pt
i
on s
t
a
n
da
r
d
u
s
i
ng
c
om
pos
i
t
e
f
i
e
l
ds
”
,
I
E
E
E
T
r
ans
ac
t
i
ons
on
V
e
r
y
L
ar
ge
Sc
a
l
e
I
nt
e
gr
a
t
i
o
n
S
ys
t
em
s
,
19(
1)
:
8
5
–
91,
2
01
1
[
1
4]
M
.
Q
i
u
,
H
.
L
i
,
an
d
E
.
S
h
a,
“H
et
er
o
g
en
eo
u
s
r
eal
-
t
i
m
e
e
m
be
dde
d s
of
t
w
a
r
e
opt
i
m
i
z
a
t
i
on c
o
ns
i
de
r
i
ng
ha
r
dw
a
r
e
p
l
at
f
o
r
m
”,
I
n
P
r
oc
e
e
di
n
gs
of
t
he
200
9 A
C
M
s
y
m
p
os
i
um
on A
pp
l
i
e
d C
om
put
i
ng
,
pa
g
e
s
16
37
–
16
41
.
A
C
M
,
200
9.
Evaluation Warning : The document was created with Spire.PDF for Python.