I
nd
o
ne
s
ia
n J
o
urna
l o
f
E
lect
rica
l En
g
ineering
a
nd
Co
m
pu
t
er
Science
Vo
l.
24
,
No
.
2
,
N
o
v
em
b
e
r
2
0
2
1
,
p
p
.
9
7
8
~
9
8
5
I
SS
N:
2
5
0
2
-
4
7
5
2
,
DOI
: 1
0
.
1
1
5
9
1
/ijeecs.v
24
.i
2
.
pp
978
-
9
8
5
978
J
o
ur
na
l ho
m
ep
a
g
e
:
h
ttp
:
//ij
ee
cs.ia
esco
r
e.
co
m
M
o
dern
too
ls
a
nd
curren
t
trends
in
web
-
dev
elo
pmen
t
Deba
ni
P
ra
s
ha
d
M
is
hra
1
,
K
s
hiro
d
K
um
a
r
Ro
ut
2
,
Su
re
nd
er
Reddy
Sa
lk
uti
3
1,
2
De
p
a
rtme
n
t
of
El
e
c
tri
c
a
l
En
g
in
e
e
rin
g
,
I
n
tern
a
ti
o
n
a
l
I
n
stit
u
te o
f
I
n
fo
rm
a
ti
o
n
Tec
h
n
o
l
o
g
y
(IIIT
)
Bh
u
b
a
n
e
sw
a
r
,
G
o
th
a
p
a
tn
a
,
In
d
ia
3
De
p
a
rtme
n
t
of
Ra
il
ro
a
d
a
n
d
El
e
c
tri
c
a
l
En
g
in
e
e
rin
g
,
W
o
o
s
o
n
g
Un
i
v
e
rsity
,
Da
e
jeo
n
,
Re
p
u
b
li
c
of
K
o
r
e
a
Art
icle
I
nfo
AB
S
T
RAC
T
A
r
ticle
his
to
r
y:
R
ec
eiv
ed
J
a
n
7
,
2
0
2
1
R
ev
is
ed
Sep
7
,
2
0
2
1
Acc
ep
ted
Sep
16
,
2
0
2
1
In
th
is
p
a
p
e
r,
a
so
c
ial
m
e
d
ia
p
lat
fo
rm
li
k
e
Li
n
k
e
d
In
a
n
d
F
a
c
e
b
o
o
k
is
m
a
d
e
u
sin
g
M
o
n
g
o
DB
as
a
d
a
tab
a
se
.
T
h
is
p
a
p
e
r
a
ims
to
to
u
c
h
a
ll
th
e
m
o
d
e
rn
to
o
ls
re
q
u
ired
to
m
a
k
e
an
e
fficie
n
t
we
b
a
p
p
,
k
e
e
p
in
g
in
m
in
d
b
o
th
th
e
c
u
sto
m
e
r
sa
ti
sfa
c
ti
o
n
a
n
d
t
h
e
e
a
se
fo
r
th
e
d
e
v
e
lo
p
e
rs
to
m
a
k
e
t
h
e
ir
we
b
d
e
sig
n
s,
fr
o
n
t
-
e
n
d
a
n
d
b
a
c
k
-
e
n
d
.
In
th
is
a
p
p
li
c
a
ti
o
n
,
a
u
se
r
c
o
u
ld
m
a
k
e
an
a
c
c
o
u
n
t,
a
d
d
or
d
e
lete
d
e
tails
of
t
h
e
ir
p
r
o
fil
e
,
e
d
u
c
a
ti
o
n
,
a
n
d
e
x
p
e
rien
c
e
field
s.
Th
e
u
se
rs
c
o
u
ld
p
o
st,
a
ls
o
c
o
m
m
e
n
t
a
n
d
e
v
e
n
li
k
e
a
p
o
st
of
o
th
e
r
u
se
rs.
A
m
o
n
o
li
th
ic
a
rc
h
it
e
c
tu
ra
l
a
p
p
r
o
a
c
h
is
u
se
d
f
o
r
sim
p
li
c
it
y
in
m
a
in
tain
in
g
th
e
d
a
tab
a
se
.
P
o
stm
a
n
a
p
p
li
c
a
ti
o
n
p
ro
g
ra
m
m
in
g
in
terfa
c
e
(
API
)
wa
s
u
se
d
to
c
h
e
c
k
t
h
e
wo
rk
i
n
g
of
t
h
e
b
a
c
k
-
e
n
d
.
G
it
,
G
it
h
u
b
,
a
n
d
He
ro
k
u
we
re
u
se
d
to
d
e
p
lo
y
t
h
e
we
b
site.
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d
e
p
a
c
k
a
g
e
m
a
n
a
g
e
r
(
NPM
)
p
a
c
k
a
g
e
s
li
k
e
b
c
ry
p
t
a
n
d
v
a
li
d
a
to
r
a
re
u
se
d
to
e
n
c
ry
p
t
p
a
ss
wo
rd
s
a
n
d
to
v
a
li
d
a
te
a
u
se
r
d
u
ri
n
g
l
o
g
in
.
M
e
d
ia
q
u
e
ries
a
re
u
se
d
in
c
a
sc
a
d
in
g
sty
le
sh
e
e
ts
(
CS
S
)
to
a
c
h
iev
e
a
re
sp
o
n
si
v
e
d
e
sig
n
.
T
h
e
re
fo
re
,
t
h
e
u
se
rs
c
o
u
l
d
v
iew
th
e
we
b
site
t
h
ro
u
g
h
a
m
o
b
il
e
p
h
o
n
e
,
i
-
p
a
d
a
n
d
a
lso
a
p
e
rso
n
a
l
c
o
m
p
u
ter
(
PC
)
,
m
a
in
tai
n
in
g
t
h
e
re
a
d
a
b
il
it
y
a
n
d
d
e
sig
n
a
c
ro
ss
a
ll
th
e
se
d
e
v
ice
s.
K
ey
w
o
r
d
s
:
Ad
o
b
e
Xd
Mo
n
g
o
DB
No
d
ejs
R
ea
ctjs
R
ed
u
x
SC
S
S
T
h
is
is
an
o
p
e
n
a
c
c
e
ss
a
rticle
u
n
d
e
r
th
e
CC
BY
-
SA
li
c
e
n
se
.
C
o
r
r
e
s
p
o
nd
ing
A
uth
o
r
:
Su
r
en
d
er
R
ed
d
y
Salk
u
ti
Dep
ar
tm
en
t
of
R
ail
r
o
ad
an
d
E
lectr
ical
E
n
g
in
ee
r
in
g
W
o
o
s
o
n
g
Un
iv
er
s
ity
J
ay
an
g
-
d
o
n
g
,
D
o
n
g
-
gu,
D
ae
jeo
n
-
3
4
6
0
6
,
R
ep
u
b
lic
of
Ko
r
ea
E
m
ail:
s
u
r
en
d
er
@
wsu
.
ac
.
k
r
1.
I
NT
RO
D
UCT
I
O
N
Si
n
ce
th
e
19
9
0
s
,
af
ter
th
e
i
n
tr
o
d
u
ctio
n
of
th
e
wo
r
ld
wid
e
w
eb
(
WWW
)
[
1
]
,
by
T
im
B
er
n
er
s
L
ee
,
a
B
r
itis
h
s
cien
ti
s
t.
W
h
ich
was
u
s
ed
to
co
m
m
u
n
icate
,
b
etwe
en
s
cien
tis
t
s
f
r
o
m
all
ar
o
u
n
d
th
e
wo
r
ld
.
An
d
at
th
at
tim
e,
t
im
h
ad
wr
itten
th
e
th
r
ee
f
u
n
d
a
m
en
tal
tech
n
o
lo
g
ies
of
a
web
,
wh
ich
r
em
ain
as
th
e
f
o
u
n
d
atio
n
:
h
y
p
e
r
tex
t
m
ar
k
u
p
lan
g
u
ag
e
(
HT
ML
)
[
2
]
,
u
n
if
o
r
m
r
eso
u
r
ce
id
e
n
tifie
r
(
UR
I
)
an
d
h
y
p
er
te
x
t
tr
an
s
f
e
r
p
r
o
t
o
co
l
(
HT
T
P
)
.
Fo
llo
wed
by
m
an
y
lan
g
u
ag
es
s
u
ch
as
ca
s
ca
d
in
g
s
ty
le
s
h
ee
t
s
(
C
S
S
)
[
3
]
,
jav
a,
h
y
p
er
tex
t
p
r
ep
r
o
ce
s
s
o
r
(
PHP
)
,
J
av
aScr
ip
t
[
4
]
,
Py
th
o
n
,
s
tr
u
ctu
r
ed
q
u
er
y
lan
g
u
ag
e
(
SQL
)
,
A
n
g
u
lar
,
an
d
m
an
y
m
o
r
e
we
r
e
i
n
tr
o
d
u
ce
d
o
v
er
th
e
y
ea
r
s
to
im
p
lem
en
t
we
b
tech
n
o
lo
g
y
;
k
ee
p
in
g
in
m
in
d
b
o
th
web
s
ec
u
r
ity
is
s
u
es
an
d
th
e
e
ase
to
p
r
o
g
r
am
m
er
s
in
th
e
p
r
o
g
r
am
m
in
g
lan
g
u
a
g
e.
T
o
d
ay
,
f
o
r
an
y
web
ap
p
licati
o
n
th
e
3
b
u
ild
in
g
b
lo
ck
co
d
in
g
lan
g
u
ag
es
r
eq
u
ir
ed
ar
e
HT
ML
,
C
SS
,
an
d
J
av
aScr
ip
t.
An
d
n
o
wad
ay
s
,
u
s
er
in
te
r
f
ac
e/
u
s
er
ex
p
er
ie
n
ce
(
UI
/UX
)
d
esig
n
is
eq
u
ally
g
iv
en
im
p
o
r
tan
ce
,
w
h
ich
in
v
o
l
v
es
th
e
ex
ten
s
iv
e
u
s
e
of
HT
ML
an
d
C
SS
.
B
ein
g
a
web
d
e
v
elo
p
er
,
th
e
ter
m
s
m
o
n
o
lith
ic
an
d
m
icr
o
-
s
er
v
ices
ar
ch
itectu
r
e
[5
]
,
[
6]
m
u
s
t
be
f
am
iliar
.
W
h
at
a
m
o
n
o
lith
ic
a
p
p
licatio
n
m
ea
n
s
is
th
at
t
h
e
a
p
p
licatio
n
h
as
its
au
th
en
ticati
o
n
,
p
o
s
ts
,
p
r
o
f
iles
,
d
atab
ase,
an
d
s
er
v
er
s
all
in
o
n
e
p
lace
.
In
th
e
ca
s
e
of
a
m
icr
o
-
s
er
v
ice
ap
p
licatio
n
,
its
p
o
s
t
s
ec
tio
n
is
s
ep
ar
ately
a
d
if
f
er
en
t
ap
p
licatio
n
,
s
im
ilar
ly
,
th
e
au
th
en
ticatio
n
is
an
o
th
e
r
ap
p
licatio
n
an
d
th
e
p
r
o
f
ile.
An
ap
p
licatio
n
with
m
o
n
o
lith
ic
ar
ch
itectu
r
e
is
d
ep
en
d
en
t
on
all
its
p
ar
ts
if
one
of
th
e
s
ec
tio
n
s
,
f
o
r
e
x
am
p
le,
th
e
au
th
en
ticatio
n
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
o
n
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J
E
lec
E
n
g
&
C
o
m
p
Sci
I
SS
N:
2502
-
4
7
5
2
Mo
d
ern
to
o
ls
a
n
d
cu
r
r
en
t tren
d
s
in
w
eb
-
d
ev
elo
p
men
t
(
Deb
a
n
i P
r
a
s
h
a
d
Mis
h
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a
)
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s
y
s
tem
of
th
at
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p
p
licatio
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ailed
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o
m
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o
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th
e
en
tir
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ap
p
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w
o
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ld
be
d
is
r
u
p
ted
.
T
h
is
is
not
th
e
ca
s
e
with
a
m
icr
o
-
s
er
v
ice
ar
c
h
itectu
r
e.
Fig
u
r
e
1
d
ep
icts
th
e
f
l
o
w
ch
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t
of
th
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ar
ch
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.
If
one
of
th
e
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p
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in
m
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it
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f
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ap
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co
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a
m
o
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o
lith
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c
h
itectu
r
e.
B
ec
au
s
e
all
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es
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au
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en
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p
o
s
ts
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p
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f
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ata
to
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er
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if
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s
er
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e
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in
f
o
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te,
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ac
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d
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ly
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v
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p
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id
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tecte
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T
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ad
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tag
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of
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s
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m
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ca
le
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ab
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im
p
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ap
p
lied
to
its
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ice
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er
th
an
th
e
e
n
tire
ap
p
licatio
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as
in
th
e
ca
s
e
in
t
h
e
ca
s
e
of
a
m
o
n
o
lith
ic
ar
ch
it
ec
tu
r
e.
A
m
icr
o
-
s
er
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.
2.
RE
S
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ARCH
M
E
T
H
O
DS
T
h
is
s
ec
tio
n
co
n
tain
s
a
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ief
in
tr
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d
u
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to
all
th
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cu
r
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n
tl
y
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o
llo
wed
tr
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s
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web
d
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t.
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tr
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f
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No
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j
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d
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th
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s
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tio
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2
.
1
.
M
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DB
/No
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da
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as
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r
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p
licatio
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m
u
s
t
be
ac
ce
s
s
ib
le
to
its
u
s
er
s
as
q
u
ick
ly
as
p
o
s
s
ib
le.
T
h
e
ac
ce
s
s
ib
ilit
y
of
an
a
p
p
licatio
n
is
m
o
s
t
cr
u
c
ial
an
d
also
o
n
e
of
t
h
e
m
ai
n
d
ec
id
in
g
f
ac
to
r
s
of
a
cu
s
to
m
e
r
’
s
s
atis
f
ac
tio
n
.
An
d
f
r
o
m
th
e
b
u
s
in
ess
p
o
in
t
of
v
iew,
one
r
e
q
u
ir
es
to
s
ca
le
th
eir
a
p
p
licatio
n
to
r
ea
c
h
more
cu
s
to
m
er
s
.
So
,
th
er
e
is
a
n
ee
d
f
o
r
a
d
atab
ase
th
at
co
u
l
d
h
an
d
le
m
u
ltip
le
u
s
er
s
(
m
illi
o
n
s
of
u
s
er
s
)
.
T
h
e
tr
ad
itio
n
al
r
elatio
n
al
d
atab
ase
m
an
ag
ed
s
y
s
tem
(
R
DB
MS
),
wh
ich
u
s
es
s
tr
u
ctu
r
ed
q
u
er
y
la
n
g
u
ag
e
(
SQL
)
h
as
its
lim
itatio
n
s
wh
en
it
co
m
es
to
h
an
d
lin
g
huge
v
o
lu
m
es
of
d
at
a.
T
h
e
tim
e
co
m
p
lex
ity
in
v
o
lv
ed
in
p
r
o
ce
s
s
in
g
d
ata
in
SQL
is
s
ig
n
if
ican
tly
h
ig
h
as
th
e
n
u
m
b
e
r
of
c
u
s
to
m
er
s
in
cr
ea
s
e.
In
1998
C
a
r
l
o
S
t
r
o
z
z
i
g
a
v
e
an
i
n
t
r
o
d
u
c
t
i
o
n
to
a
non
-
r
e
l
a
t
i
o
n
a
l
t
y
p
e
of
d
a
t
a
m
a
n
a
g
e
m
e
n
t
s
y
s
t
e
m
w
h
i
c
h
he
c
a
l
l
e
d
“
N
o
S
Q
L
”
.
W
h
e
r
e
t
h
e
d
a
t
a
d
o
e
s
n
o
t
c
o
n
t
a
i
n
a
f
i
x
e
d
s
c
h
e
m
a
,
u
n
l
i
k
e
R
D
B
M
S
,
a
n
d
s
t
o
r
e
s
d
a
t
a
in
J
a
v
a
S
c
r
i
p
t
o
b
j
e
c
t
n
o
t
a
t
i
o
n
f
o
r
m
a
t
(
J
S
O
N
)
a
n
d
not
in
t
a
b
l
e
s
,
w
h
i
c
h
m
a
k
e
s
N
o
S
Q
L
m
o
r
e
f
l
e
x
i
b
l
e
.
M
o
r
e
o
v
e
r
,
in
s
u
c
h
s
y
s
t
e
m
s
r
a
t
h
e
r
t
h
a
n
t
h
e
p
r
e
v
i
o
u
s
l
y
u
s
e
d
n
o
r
m
a
l
i
z
e
d
d
a
t
a
b
a
s
e
,
t
h
e
s
e
s
y
s
t
e
m
s
u
s
e
t
h
e
m
o
d
e
r
n
d
e
n
o
r
m
a
l
i
z
e
d
d
a
t
a
b
a
s
e
s
,
w
h
e
r
e
t
h
e
d
a
t
a
c
a
n
be
q
u
e
r
i
e
d
at
a
m
u
c
h
f
a
s
t
e
r
r
a
t
e
.
C
u
r
r
e
n
t
l
y
,
t
h
e
m
o
s
t
p
r
e
f
e
r
r
e
d
d
a
t
a
b
a
s
e
m
a
n
a
g
e
m
e
n
t
s
y
s
t
e
m
u
s
e
d
e
x
t
e
n
s
i
v
e
l
y
is
M
o
n
g
o
D
B
[
1
6
]
-
[
1
8
]
.
It
u
s
e
s
j
s
o
n
f
o
r
m
a
t
f
o
r
d
a
t
a
s
t
o
r
a
g
e
a
n
d
is
a
non
-
S
Q
L
t
y
p
e
of
d
a
t
a
b
a
s
e
s
y
s
t
e
m
.
In
[
1
6
]
,
an
a
n
a
l
y
s
i
s
of
M
y
S
Q
L
a
n
d
M
o
n
g
o
D
B
is
m
a
d
e
.
M
y
S
Q
L
u
s
e
s
an
R
D
B
M
S
t
y
p
e
d
a
t
a
b
a
s
e
m
a
n
a
g
e
m
e
n
t
s
y
s
t
e
m
a
n
d
M
o
n
g
o
D
B
is
a
No
-
S
Q
L
d
a
t
a
m
a
n
a
g
e
m
e
n
t
s
y
s
t
e
m
as
d
i
s
c
u
s
s
e
d
a
b
o
v
e
.
B
o
t
h
M
y
S
Q
L
a
n
d
M
o
n
g
o
D
B
a
r
e
t
h
e
t
o
p
c
o
m
p
a
n
i
e
s
in
t
h
e
i
r
r
e
s
p
e
c
t
i
v
e
d
a
t
a
b
a
s
e
m
a
n
a
g
e
m
e
n
t
s
e
r
v
i
c
e
s
.
S
o
,
i
t
’
s
a
p
t
to
c
o
m
p
a
r
e
R
D
B
M
S
a
n
d
non
-
R
D
B
M
S
t
e
c
h
n
o
l
o
g
i
e
s
u
s
i
n
g
t
h
e
s
e
s
e
r
v
i
c
e
p
r
o
v
i
d
e
r
s
.
A
t
o
t
a
l
of
t
h
r
e
e
t
e
s
t
s
w
e
r
e
m
a
d
e
in
[
1
6
]
.
T
h
e
t
e
s
t
w
a
s
f
o
r
a
l
l
o
p
e
r
a
t
i
o
n
s
,
i
n
s
e
r
t
i
o
n
,
u
p
d
a
t
e
,
a
n
d
d
e
l
e
t
i
o
n
of
d
a
t
a
.
In
t
h
e
1
s
t
t
e
s
t
,
500
u
s
e
r
s
w
e
r
e
c
r
e
a
t
e
d
,
500
i
n
d
i
v
i
d
u
a
l
o
r
d
e
r
s
w
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r
e
c
r
e
a
t
e
d
a
n
d
500
i
t
e
m
s
w
e
r
e
c
r
e
a
t
e
d
.
T
h
e
w
o
r
s
t
-
c
a
s
e
f
o
r
M
o
n
g
o
D
B
is
0
.
0
4
7
4
s
e
c
o
n
d
s
a
n
d
f
o
r
M
y
S
Q
L
,
it
w
a
s
0
.
7
9
5
4
s
e
c
o
n
d
s
.
In
t
h
e
2nd
t
e
s
t
,
1000
u
s
e
r
s
w
e
r
e
c
r
e
a
t
e
d
,
1000
u
s
e
r
s
p
a
t
c
h
/
p
u
t
r
e
q
u
e
s
t
s
to
e
d
i
t
d
a
t
a
,
t
h
e
w
o
r
s
t
-
c
a
s
e
t
i
m
e
f
o
r
M
o
n
g
o
D
B
is
2
.
3
2
0
1
s
e
c
o
n
d
s
a
n
d
f
o
r
M
y
S
Q
L
,
it
w
a
s
9
3
.
0
1
5
3
s
e
c
o
n
d
s
.
T
h
e
3
r
d
a
n
d
t
h
e
l
a
s
t
t
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s
t
c
o
n
d
u
c
t
e
d
h
a
d
7
,
0
0
0
u
s
e
r
s
’
c
r
e
a
t
i
o
n
a
n
d
1
0
,
0
0
0
u
s
e
r
s
u
p
d
a
t
e
(
p
u
t
/
p
a
t
c
h
r
e
q
u
e
s
t
to
e
d
i
t
)
,
t
h
e
w
o
r
s
t
c
a
s
e
in
M
o
n
g
o
D
B
is
2
3
.
3
4
2
7
s
e
c
o
n
d
s
a
n
d
t
h
a
t
of
M
y
S
Q
L
w
a
s
a
w
h
o
p
p
i
n
g
3
2
4
.
7
6
5
4
s
e
c
o
n
d
s
in
t
h
e
w
o
r
s
t
c
a
s
e
.
T
h
r
o
u
g
h
t
h
e
o
b
s
e
r
v
a
t
i
o
n
s
,
it
c
a
n
be
s
e
e
n
c
l
e
a
r
l
y
t
h
a
t
as
t
h
e
n
u
m
b
e
r
of
d
a
t
a
i
n
c
r
e
a
s
e
s
an
R
D
B
M
S
s
y
s
t
e
m
t
a
k
e
s
an
e
x
p
o
n
e
n
t
i
a
l
l
y
h
i
g
h
e
r
a
m
o
u
n
t
of
t
i
m
e
in
p
e
r
f
o
r
m
i
n
g
t
h
e
c
r
e
a
t
e
,
r
e
a
d
,
u
p
d
a
t
e
a
n
d
d
e
l
e
t
e
(
C
R
U
D
)
o
p
e
r
a
t
i
o
n
s
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci
I
SS
N:
2502
-
4
7
5
2
Mo
d
ern
to
o
ls
a
n
d
cu
r
r
en
t tren
d
s
in
w
eb
-
d
ev
elo
p
men
t
(
Deb
a
n
i P
r
a
s
h
a
d
Mis
h
r
a
)
981
2
.
2
.
M
o
ng
o
o
s
e
A
Mo
n
g
o
DB
co
llectio
n
is
q
u
er
ied
by
an
o
b
ject
d
ata
m
ap
p
er
(
ODM
).
An
ODM
is
an
o
b
ject
ass
o
ciate
d
with
a
non
-
SQL
d
a
tab
ase.
As
th
e
n
am
e
s
u
g
g
ests
,
an
ODM
m
ap
s
a
d
o
c
u
m
en
t
-
r
elate
d
m
o
d
u
le.
An
d
one
of
t
h
e
f
ea
tu
r
es
of
an
OD
M
is
th
at
it
as
s
ig
n
s
a
u
n
iq
u
e
Ob
jectI
d
to
all
its
d
ata
in
th
e
Mo
n
g
o
DB
d
atab
ase.
Hen
ce
,
th
ese
o
b
jectid
’
s
co
u
ld
be
u
s
ed
later
to
f
etch
all
th
e
d
ata
s
to
r
ed
with
r
esp
ec
t
to
th
at
p
ar
ticu
lar
I
d
.
Fo
r
th
e
p
u
r
p
o
s
e
of
q
u
er
y
in
g
th
e
Mo
n
g
o
DB
d
atab
ase,
an
ODM
lib
r
ar
y
ca
lled
M
o
n
g
o
o
s
e
[
1
9
]
-
[
2
1
]
is
u
s
ed
in
b
o
t
h
Mo
n
g
o
DB
an
d
No
d
eJs
.
It
m
a
n
ag
es
d
ata
r
elatio
n
s
h
ip
s
,
p
r
o
v
i
d
es
s
ch
em
a
v
alid
atio
n
s
,
a
n
d
is
u
s
ed
in
M
o
n
g
o
DB
to
tr
an
s
late
b
etwe
en
o
b
jects
in
co
d
e
a
n
d
to
r
ep
r
esen
t
th
o
s
e
o
b
jects.
W
h
ile
m
ak
in
g
a
m
o
n
g
o
o
s
e
m
o
d
el
o
n
e
m
u
s
t
f
o
llo
w
ce
r
tain
r
u
les.
A
Mo
n
g
o
o
s
e
m
o
d
el
f
u
n
ctio
n
m
u
s
t
h
av
e
a
n
am
e
an
d
a
s
ch
em
a
t
h
at
en
f
o
r
ce
s
th
e
ty
p
e
of
d
ata
th
at
ca
n
be
r
e
f
er
r
ed
to
be
ac
ce
s
s
ed
a
n
d
m
an
ip
u
lated
.
T
h
e
d
ata
s
tr
u
ctu
r
e
is
d
e
f
in
ed
f
o
r
a
m
o
d
el
by
th
e
Mo
n
g
o
o
s
e
s
ch
em
a.
T
h
e
m
o
d
el
f
ea
tu
r
e
p
r
o
v
id
es
an
in
ter
f
a
ce
f
o
r
in
te
r
ac
tin
g
with
th
e
d
o
cu
m
en
t
in
f
o
r
m
atio
n
s
to
r
ed
at
Mo
n
g
o
DB
.
T
h
e
f
o
llo
win
g
ex
am
p
le
s
h
o
ws
a
s
ch
em
a
f
o
r
a
u
s
er
m
o
d
el,
wh
ich
h
as
a
n
am
e,
e
m
ail,
an
d
p
ass
wo
r
d
as
its
attr
ib
u
tes.
An
d
all
of
th
e
m
ar
e
of
ty
p
e
s
tr
in
g
,
an
d
th
e
r
eq
u
ir
ed
k
ey
wo
r
d
is
ca
lled
a
v
alid
ato
r
in
Mo
n
g
o
o
s
e.
I
t’
s
a
f
ea
tu
r
e
th
at
v
alid
ates
a
u
s
er
b
ased
on
t
h
eir
n
am
e
an
d
p
ass
wo
r
d
.
2
.
3
.
N
o
de.
j
s
No
d
e.
js
(n
o
d
e)
is
a
s
er
v
er
-
s
id
e
J
av
aScr
ip
t
en
v
ir
o
n
m
en
t
[
2
2
]
-
[
2
4
]
.
It
u
s
es
Go
o
g
le'
s
o
p
en
-
s
o
u
r
ce
V8
en
g
in
e
as
its
d
ef
au
lt
J
av
aScr
i
p
t
en
g
in
e
wh
ich
ex
ec
u
tes
th
e
J
av
aScr
ip
t
co
d
e.
B
o
th
V8
an
d
n
o
d
e
ar
e
m
o
s
tly
wr
itten
in
C
/
C
++
,
co
n
ce
n
tr
atin
g
on
p
r
o
d
u
ctiv
ity
a
n
d
lo
w
m
em
o
r
y
u
s
ag
e.
B
u
t,
th
e
p
u
r
p
o
s
e
of
a
V8
is
to
s
u
p
p
o
r
t
J
av
aScr
ip
t
in
th
e
b
r
o
wser
(
Go
o
g
le
C
h
r
o
m
e
b
r
o
wser
)
,
a
n
d
t
h
at
of
n
o
d
e
is
to
r
u
n
a
s
er
v
er
p
r
o
ce
s
s
.
No
d
e.
js
is
an
asy
n
c
h
r
o
n
o
u
s
I
/
O
ev
en
tin
g
m
o
d
el.
As
J
av
aScr
ip
t
is
an
asy
n
c
h
r
o
n
o
u
s
lan
g
u
a
g
e,
so
d
o
es
n
o
d
e
.
A
s
in
g
le
th
r
ea
d
is
u
s
ed
to
h
an
d
le
m
u
ltip
le
r
eq
u
ests
.
W
h
at
th
is
m
ea
n
s
is
th
at
all
t
he
r
eq
u
ests
a
r
e
ac
ce
s
s
ed
,
an
d
th
e
lo
n
g
est
r
eq
u
est
is
ex
ec
u
te
d
last
.
B
eh
in
d
t
h
e
s
ce
n
e,
th
e
l
o
n
g
e
s
t
r
eq
u
est
is
r
u
n
n
in
g
in
th
e
b
a
ck
g
r
o
u
n
d
wh
ile
th
e
o
th
er
r
eq
u
ests
ar
e
ex
ec
u
ted
an
d
h
av
e
b
ee
n
s
er
v
e
d
at
th
e
s
am
e
tim
e,
u
s
in
g
th
e
asy
n
c
an
d
a
wait
k
ey
wo
r
d
s
.
T
h
is
is
in
co
n
tr
ast
to
a
s
y
n
c
h
r
o
n
o
u
s
ar
ch
itectu
r
e
wh
er
e
a
r
e
q
u
est
is
s
er
v
ed
one
at
a
tim
e,
so
u
n
til
an
o
n
g
o
in
g
r
eq
u
est
is
not
y
et
s
er
v
e
d
all
o
th
er
in
c
o
m
in
g
r
eq
u
ests
ar
e
t
em
p
o
r
ar
ily
put
to
a
h
alt.
An
d
th
is
ex
p
lain
s
wh
y
Mo
n
g
o
DB
is
m
u
ch
f
aster
th
a
n
My
SQL.
An
R
DB
MS
s
y
s
tem
is
s
y
n
ch
r
o
n
o
u
s
,
wh
ich
m
a
k
es
it
s
lo
wer
.
An
d
th
is
b
ec
o
m
es
m
o
r
e
n
o
ticea
b
le
as
th
e
n
u
m
b
e
r
of
u
s
er
in
cr
ea
s
e.
In
a
b
u
s
in
ess
m
ak
in
g
y
o
u
r
cu
s
to
m
er
s
wait
is
u
n
d
esira
b
le.
So
in
o
r
d
e
r
to
o
v
er
co
m
e
th
is
is
s
u
e,
we
m
u
s
t
in
cr
ea
s
e
th
e
n
u
m
b
e
r
of
th
r
ea
d
s
,
so
th
at
more
u
s
er
s
co
u
ld
ac
ce
s
s
a
r
eq
u
est.
Fo
r
more
th
r
ea
d
s
to
be
av
ailab
le
more
h
ar
d
war
e
is
r
eq
u
ir
e
d
.
T
h
is
is
th
e
m
ajo
r
d
is
ad
v
an
tag
e
of
s
y
n
c
h
r
o
n
o
u
s
ar
ch
itectu
r
e.
In
ca
s
e
th
e
n
u
m
b
er
of
u
s
er
s
in
cr
ea
s
ed
in
an
e
x
p
o
n
e
n
tial
m
an
n
er
,
we
r
eq
u
ir
e
m
u
ch
m
o
r
e
h
ar
d
w
ar
e
to
av
ail
th
e
th
r
ea
d
s
.
T
h
is
is
not
ec
o
n
o
m
ical.
T
h
is
is
wh
e
r
e
an
asy
n
ch
r
o
n
o
u
s
ar
ch
itectu
r
e
lik
e
No
d
e.
js
alo
n
g
with
Mo
n
g
o
DB
b
ec
o
m
es
a
b
ig
ad
v
an
tag
e.
In
[
2
4
]
a
p
e
r
f
o
r
m
an
ce
an
aly
s
is
is
m
ad
e
on
No
d
e
a
n
d
c
o
m
p
ar
e
d
with
an
in
ter
n
et
i
n
f
o
r
m
atio
n
s
er
v
ices
(
IIS
)
s
er
v
e
r
.
Acc
o
r
d
in
g
to
th
e
r
esu
lts
th
ey
ac
h
iev
ed
,
No
d
e
is
m
o
s
t
p
r
ef
e
r
ab
le
f
o
r
an
I
/O
in
ten
s
iv
e
a
p
p
li
ca
tio
n
.
2
.
4
.
Re
a
ct
.
j
s
T
h
e
t
w
o
p
o
p
u
l
a
r
J
a
v
a
Sc
r
i
p
t
f
r
am
e
w
o
r
k
s
u
s
e
d
f
o
r
f
r
o
n
t
-
e
n
d
d
ev
e
l
o
p
m
e
n
t
at
p
r
es
e
n
t
a
r
e
R
e
a
ct
[
2
5
]
,
[
26]
an
d
An
g
u
lar
[
2
7
]
.
An
g
u
lar
is
m
ain
tain
ed
by
th
e
Go
o
g
le
c
o
m
m
u
n
ity
a
n
d
R
ea
ct
is
d
ev
el
o
p
ed
by
Face
b
o
o
k
.
B
o
th
ar
e
o
p
en
s
o
u
r
ce
f
r
a
m
e
wo
r
k
s
an
d
th
ese
h
elp
th
e
d
ev
elo
p
er
s
in
m
ak
in
g
s
in
g
le
-
p
ag
e
ap
p
licatio
n
s
.
Yo
u
T
u
b
e,
Pay
Pal,
W
alm
ar
t,
an
d
G
-
m
ail
u
s
e
An
g
u
lar
.
A
n
d
R
ea
ct
is
u
s
ed
in
Face
b
o
o
k
,
I
n
s
tag
r
a
m
,
an
d
W
h
atsap
p
.
In
[
2
8
]
,
[
2
9
]
,
a
co
m
p
ar
is
o
n
of
R
ea
ct
with
An
g
u
lar
is
m
ad
e.
An
g
u
lar
u
s
es
r
ea
l
d
o
cu
m
en
t
o
b
ject
m
o
d
el
(
DOM
)
wh
er
ea
s
R
ea
ct
u
s
es
v
ir
tu
al
DOM
.
A
v
ir
tu
al
DOM
is
lig
h
tweig
h
t
an
d
f
aster
th
an
a
r
ea
l
DOM
s
in
ce
,
in
a
r
ea
l
DOM
,
a
s
m
all
ch
an
g
e
in
th
e
s
tatu
s
of
th
e
DO
M
wo
u
ld
ca
u
s
e
a
re
-
r
en
d
e
r
in
g
of
th
e
en
tire
DOM
in
An
g
u
lar
,
th
is
is
not
th
e
ca
s
e
in
R
ea
ct.
T
h
in
k
ab
o
u
t
th
e
c
o
n
d
itio
n
wh
e
r
e
th
e
DOM
h
as
a
lar
g
e
n
u
m
b
er
of
d
ata
to
be
r
en
d
er
e
d
,
in
th
is
ca
s
e,
a
s
m
all
ch
an
g
e
in
DOM
ca
u
s
in
g
an
en
tire
re
-
r
e
n
d
er
i
n
g
of
th
e
DOM
is
u
n
d
esira
b
le.
A
v
ir
tu
al
DOM
on
t
h
e
co
n
tr
ar
y
o
n
l
y
re
-
r
en
d
er
s
th
at
ce
r
tain
b
lo
c
k
/co
m
p
o
n
en
t
th
at
h
as
b
ee
n
u
p
d
ated
,
w
h
ich
m
ak
es
R
ea
ct
m
u
ch
f
aster
th
a
n
An
g
u
la
r
in
DOM
r
en
d
er
in
g
a
p
p
licatio
n
s
.
On
e
more
a
d
v
an
tag
e
in
R
ea
ct
is
th
at,
u
n
lik
e
An
g
u
lar
wh
ich
u
s
es
a
T
wo
-
way
d
ata
b
in
d
in
g
,
R
ea
ct
u
s
es
a
o
n
e
-
way
d
ata
-
b
in
d
in
g
u
s
in
g
th
e
s
to
r
e
wh
er
e
all
th
e
d
ata
to
be
r
e
n
d
er
e
d
to
th
e
f
r
o
n
t
-
en
d
is
cr
ea
ted
a
n
d
th
er
e
is
an
ac
tio
n
an
d
ev
e
n
t
d
is
p
atch
er
,
d
etails
of
wh
ich
wo
u
ld
be
e
x
p
lain
ed
in
th
e
n
ex
t
s
ec
tio
n
.
On
e
way
d
ata
f
l
o
w/b
in
d
in
g
g
iv
es
a
b
etter
u
n
d
er
s
tan
d
i
n
g
an
d
co
n
tr
o
l
o
v
e
r
th
e
d
ata.
3.
RE
SU
L
T
S
AND
D
I
SCU
SS
I
O
N
In
th
is
s
ec
tio
n
,
th
e
s
tep
-
by
-
s
tep
ap
p
r
o
ac
h
u
s
ed
to
b
u
ild
th
i
s
p
r
o
ject
is
ex
p
lain
ed
.
T
h
r
o
u
g
h
o
u
t
t
h
is
wo
r
k
,
v
is
u
al
s
tu
d
io
c
o
d
e
was
u
s
ed
as
th
e
c
o
d
e
e
d
ito
r
.
I
t’
s
u
s
er
-
f
r
ien
d
ly
,
s
im
p
le
to
u
s
e
a
n
d
it
co
m
es
with
m
an
y
ex
ten
s
io
n
s
lik
e
em
m
et,
p
r
ettier
,
b
r
ac
k
et
p
air
co
lo
r
izer
,
a
u
to
r
en
am
e
tag
,
liv
e
s
er
v
er
,
an
d
m
an
y
m
o
r
e
ex
ten
s
io
n
s
wh
ich
h
elp
in
d
etec
tin
g
b
r
ac
k
et
p
air
s
,
d
etec
tin
g
an
er
r
o
r
,
an
d
also
to
d
e
p
lo
y
a
lo
ca
l
s
er
v
er
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
5
0
2
-
4
7
5
2
I
n
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci,
Vo
l.
24
,
No
.
2
,
No
v
em
b
er
2
0
2
1
:
9
7
8
-
985
982
3
.
1
.
Cre
a
t
ing
a
M
o
ng
o
o
s
e
s
chem
a
T
h
e
v
ar
io
u
s
m
o
n
g
o
o
s
e
s
ch
e
m
a
u
s
ed
wer
e
u
s
er
s
ch
em
a,
p
r
o
f
ile
s
ch
em
a
an
d
p
o
s
t
s
ch
em
a.
User
s
ch
em
a
h
ad
th
e
n
a
m
e,
em
ail,
p
ass
wo
r
d
,
an
d
d
ate
of
cr
ea
ti
o
n
as
attr
ib
u
tes.
Pr
o
f
ile
s
ch
e
m
a
h
ad
attr
ib
u
tes:
co
m
p
an
y
,
web
s
ite,
lo
ca
tio
n
,
s
k
ills
,
ex
p
er
ien
ce
an
d
ed
u
ca
tio
n
.
So
th
at
each
u
s
er
c
o
u
ld
d
o
cu
m
e
n
t
th
eir
j
o
b
s
tatu
s
,
wh
ich
co
m
p
an
y
th
ey
’
r
e
wo
r
k
in
g
in
,
th
eir
s
k
ills
,
th
eir
ex
p
er
ien
ce
,
an
d
ed
u
ca
tio
n
.
Po
s
t
s
ch
em
a
h
ad
attr
ib
u
tes:
tex
t,
n
am
e,
lik
es,
c
o
m
m
en
ts
,
an
d
d
ate.
L
ik
es
an
d
co
m
m
e
n
ts
wer
e
also
u
s
ed
to
p
o
p
u
late
u
s
er
s
to
k
ee
p
a
r
ec
o
r
d
of
all
th
e
u
s
er
s
wh
o
lik
ed
or
co
m
m
e
n
ted
on
a
g
iv
en
p
o
s
t.
No
w
in
th
e
Mo
n
g
o
DB
clo
u
d
d
atab
ase
th
e
th
r
ee
f
o
ld
er
s
,
one
of
th
e
u
s
er
,
s
ec
o
n
d
of
th
e
p
r
o
f
ile,
an
d
t
h
e
th
ir
d
of
p
o
s
ts
wo
u
ld
be
m
a
d
e.
Fig
u
r
e
3
s
h
o
ws
th
e
th
r
ee
co
llectio
n
f
o
ld
e
r
s
b
e
en
m
ad
e
in
th
e
Mo
n
g
o
DB
clo
u
d
,
o
n
e
f
o
r
u
s
er
s
,
th
e
s
ec
o
n
d
f
o
r
p
r
o
f
iles
,
an
d
t
h
e
th
ir
d
f
o
r
p
o
s
ts
.
Fig
u
r
e
3.
Mo
n
g
o
DB
co
llectio
n
3
.
2
.
Rest
AP
I
T
h
r
ee
r
o
u
tes
f
o
r
cr
ea
tio
n
(
p
o
s
t
r
eq
u
est),
one
f
o
r
u
s
er
,
s
ec
o
n
d
f
o
r
p
r
o
f
iles
,
an
d
th
e
t
h
ir
d
f
o
r
p
o
s
ts
,
wer
e
cr
ea
ted
.
On
e
r
o
u
te
is
c
r
e
ated
to
au
th
e
n
ticate
th
e
u
s
er
so
th
at
a
u
s
er
co
u
ld
en
ter
th
eir
em
ail
an
d
p
ass
wo
r
d
an
d
th
en
th
ey
co
u
l
d
g
iv
e
a
p
o
s
t
r
eq
u
est
to
cr
ea
te
an
d
d
elete
a
p
o
s
t
o
r
p
r
o
f
ile
.
T
h
e
p
r
o
f
ile
an
d
p
o
s
t
r
o
u
tes
also
h
ad
a
g
et
r
eq
u
est
to
r
ea
d
th
e
d
ata
of
o
th
er
u
s
er
s
p
o
s
ts
an
d
p
r
o
f
iles
.
An
d
J
SON
web
to
k
en
s
(
J
W
T
)
wer
e
u
s
ed
to
au
th
en
ticate
th
e
u
s
er
s
wh
ile
lo
g
g
in
g
in
.
On
ly
au
th
en
ticated
u
s
er
s
co
u
ld
ac
ce
s
s
th
e
r
o
u
tes
.
Po
s
tm
an
API
was
u
s
ed
to
ch
ec
k
th
e
wo
r
k
in
g
of
R
E
ST
API
.
W
h
en
a
u
s
er
is
lo
g
g
ed
in
,
a
JWT
is
cr
ea
ted
f
o
r
th
at
u
s
er
.
No
w
u
s
in
g
th
is
JWT
th
ey
co
u
ld
ac
ce
s
s
all
th
e
p
r
o
tecte
d
r
o
u
tes.
B
u
t
th
e
JWT
h
as
an
ex
p
ir
in
g
tim
e
wh
ich
is
s
et
to
3
6
0
0
s
ec
o
n
d
s
or
1
h
o
u
r
,
af
te
r
wh
ic
h
th
e
cu
r
r
en
t
g
en
er
ated
JWT
b
ec
o
m
es
in
v
alid
.
Af
ter
th
e
ex
p
ir
in
g
tim
e
of
3
6
0
0
s
ec
o
n
d
s
,
th
e
u
s
er
n
ee
d
s
to
lo
g
in
o
n
ce
ag
ain
in
o
r
d
er
to
cr
ea
te
a
n
ew
v
alid
JWT
to
ac
ce
s
s
th
e
r
o
u
tes.
F
ig
u
r
e
4
d
ep
icts
th
e
u
s
er
is
lo
g
g
ed
in
,
a
n
ew
JWT
is
cr
ea
ted
an
d
th
e
r
o
u
tes
ar
e
ac
ce
s
s
ed
s
u
cc
ess
f
u
lly
with
th
is
n
ew
J
W
T
.
Fig
u
r
e
4.
Valid
J
W
T
an
d
r
esp
o
n
s
e
f
r
o
m
th
e
b
ac
k
en
d
a
n
d
d
atab
ase
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci
I
SS
N:
2502
-
4
7
5
2
Mo
d
ern
to
o
ls
a
n
d
cu
r
r
en
t tren
d
s
in
w
eb
-
d
ev
elo
p
men
t
(
Deb
a
n
i P
r
a
s
h
a
d
Mis
h
r
a
)
983
3
.
3
.
F
ro
nt
-
end
A
f
r
o
n
t
-
e
n
d
of
a
W
eb
-
ap
p
is
th
e
web
d
esig
n
an
d
th
e
clien
t
-
s
id
e
r
en
d
e
r
in
g
of
we
b
co
n
ten
t.
T
h
is
in
clu
d
es
th
e
C
SS
wh
ich
is
th
e
UI
p
ar
t
an
d
r
ea
ctjs
wh
ich
in
v
o
lv
es
r
en
d
er
in
g
th
e
co
n
te
n
t.
So
,
th
e
g
o
al
h
er
e
is
to
r
en
d
er
th
e
d
ata
at
n
o
d
em
o
n
s
e
r
v
er
(
b
ac
k
en
d
-
s
er
v
er
)
to
th
e
n
o
d
e
s
er
v
er
or
clien
t
-
s
er
v
e
r
so
th
at
th
e
u
s
er
s
co
u
ld
v
iew
p
o
s
ts
,
co
m
m
en
ts
an
d
p
r
o
f
iles
in
r
ea
l
-
tim
e
.
To
ac
h
iev
e
th
at
b
o
th
th
e
s
er
v
er
s
ar
e
to
be
ac
tiv
ated
s
im
u
ltan
eo
u
s
ly
.
A
NPM
p
ac
k
ag
e
co
n
c
u
r
r
e
n
tly
was
d
ep
lo
y
ed
,
so
th
at
we
d
o
n
’
t
h
av
e
to
r
u
n
n
o
d
em
o
n
an
d
clien
t
-
s
er
v
er
s
ep
ar
ately
in
s
tea
d
with
a
s
in
g
le
co
m
m
a
n
d
b
o
t
h
of
th
em
wo
u
l
d
be
ac
tiv
ated
.
T
h
is
s
ec
tio
n
will
be
d
ea
lin
g
with
to
o
ls
th
at
ar
e
r
eq
u
ir
ed
f
o
r
f
r
o
n
t
-
en
d
d
ev
elo
p
m
en
t.
No
w
to
th
e
b
ac
k
en
d
w
h
ile
r
eq
u
esti
n
g
ax
io
s
,
we
m
ak
e
a
p
r
o
x
y
:
"p
r
o
x
y
":
h
ttp
://l
o
ca
lh
o
s
t:P
O
R
T
.
So
th
at
we
co
u
ld
m
a
k
e
an
ax
io
s
.
g
et/
p
o
s
t/d
elete
m
eth
o
d
d
ir
ec
tly
to
o
u
r
b
ac
k
-
en
d
r
o
u
te
s
.
Ax
io
s
is
a
clien
t
-
s
id
e
HT
T
P
s
er
v
ice
with
in
R
ea
ct
an
d
A
n
g
u
lar
,
it
is
u
s
ed
to
co
n
n
ec
t
th
e
f
r
o
n
t
-
en
d
r
eq
u
ests
to
th
e
b
ac
k
-
en
d
.
3
.
3
.
1
.
UI/
UX
des
ig
n
Fo
r
an
y
W
eb
ap
p
licatio
n
,
its
in
ter
f
ac
e
an
d
d
esig
n
p
lay
an
im
p
o
r
tan
t
r
o
le
in
b
u
s
in
ess
,
b
ec
au
s
e
it
d
ir
ec
tly
r
ef
lects
a
cu
s
to
m
er
’
s
u
s
ag
e.
Mo
r
e
th
e
c
u
s
to
m
er
s
ar
e
s
atis
f
ied
,
it
h
elp
s
in
g
r
o
win
g
your
b
u
s
in
ess
,
you
g
et
m
u
ch
m
o
r
e
cu
s
to
m
er
s
.
K
ee
p
in
g
th
is
in
m
in
d
,
it’s
h
ar
d
to
s
tr
aig
h
t
away
s
tar
t
d
esig
n
in
g
th
e
UI
with
o
u
t
h
av
in
g
a
f
ee
l
of
how
o
u
r
a
p
p
l
icatio
n
wo
u
ld
lo
o
k
lik
e
to
o
u
r
cu
s
to
m
er
s
.
T
h
is
is
wh
er
e
a
n
ee
d
f
o
r
UX
ar
is
es.
T
h
e
m
o
s
t
p
o
p
u
lar
to
o
l
f
o
r
U
X/UI
d
esig
n
in
g
in
Ad
o
b
e
X
D.
I
t’
s
u
s
er
-
f
r
ien
d
l
y
with
m
a
n
y
f
ea
tu
r
es
an
d
is
av
ailab
le
f
o
r
b
o
th
m
ac
OS
an
d
W
in
d
o
ws.
T
h
e
p
ar
t
th
at
an
y
w
eb
d
esig
n
er
wo
u
l
d
lik
e
ab
o
u
t
th
is
s
o
f
twar
e
is
th
at
it
g
iv
es
a
f
ee
l
of
th
e
ap
p
licatio
n
we
in
ten
d
to
m
ak
e,
a
f
u
n
ctio
n
al
ap
p
licatio
n
,
an
d
d
esig
n
.
So
a
d
ev
elo
p
e
r
co
u
ld
m
ak
e
a
r
o
u
g
h
s
k
etc
h
of
th
eir
en
tire
a
p
p
licatio
n
al
o
n
g
with
th
e
d
esig
n
a
n
d
its
f
u
n
ctio
n
ar
ies
lik
e
a
p
o
p
-
up
win
d
o
w
(a
m
o
d
al
in
C
SS
)
,
th
e
lin
k
b
etwe
en
p
a
g
es
in
th
e
web
ap
p
licatio
n
,
an
im
atio
n
ef
f
ec
ts
,
f
ill
co
lo
r
p
r
o
p
er
t
y
,
a
n
d
m
an
y
m
o
r
e.
On
e
mor
e
m
ajo
r
ad
v
an
tag
e
to
a
UI
d
esig
n
er
is
th
at
th
e
n
am
es
of
th
e
f
ea
tu
r
es
u
s
ed
in
Ad
o
b
e
Xd
ar
e
th
e
s
am
e
in
c
o
d
in
g
C
SS
p
r
o
p
e
r
ties
.
A
d
esig
n
s
ec
tio
n
is
wh
er
e
we
co
u
ld
m
ak
e
th
e
web
d
esig
n
s
.
In
th
is
s
ec
tio
n
,
we
co
u
ld
u
s
e
th
e
r
ep
ea
t
g
r
id
f
ea
tu
r
e
w
h
ich
ca
n
be
u
s
e
d
to
r
ep
ea
t
a
g
r
id
ce
ll
t
h
r
o
u
g
h
o
u
t
t
h
e
web
p
ag
e
.
T
h
e
r
e
is
a
ls
o
a
f
ea
tu
r
e
ca
lled
co
m
p
o
n
en
ts
in
th
e
d
esig
n
s
ec
t
io
n
wh
ich
is
u
s
ed
to
s
y
m
b
o
liz
e.
A
co
m
p
o
n
en
t
is
a
f
ea
tu
r
e
th
at
can
be
u
s
ed
in
m
u
ltip
le
p
ag
es
,
lik
e
a
s
id
eb
a
r
an
d
a
n
a
v
b
ar
,
wh
ich
ar
e
t
h
e
r
ep
ea
tin
g
elem
e
n
ts
th
r
o
u
g
h
o
u
t
p
ag
es.
W
h
at
th
e
co
m
p
o
n
en
t
f
ea
t
u
r
e
d
o
es
is
th
a
t,
o
n
ce
we
s
elec
t
a
p
ar
ticu
lar
s
ec
tio
n
lik
e
th
e
s
id
eb
ar
or
n
a
v
b
ar
of
a
p
a
g
e
a
n
d
d
ec
lar
e
it
as
a
co
m
p
o
n
e
n
t,
th
en
we
co
u
ld
u
s
e
th
at
o
v
er
m
an
y
p
ag
es.
So
,
we
n
ee
d
to
o
n
ly
d
esig
n
o
n
ce
a
n
d
d
ec
lar
e
it
as
a
co
m
p
o
n
e
n
t,
af
t
er
th
at
we
co
u
ld
u
s
e
th
is
d
esig
n
th
r
o
u
g
h
m
u
ltip
le
p
ag
es.
Ot
h
er
th
an
th
e
d
esig
n
s
ec
tio
n
,
Ad
o
b
e
Xd
p
r
o
v
id
es
a
p
r
o
to
ty
p
e
s
ec
tio
n
.
Her
e
we
co
u
ld
lin
k
b
etwe
en
p
ag
es
an
d
p
r
o
v
id
e
th
e
f
u
n
ctio
n
ality
to
th
e
m
o
d
als
(
p
o
p
-
win
d
o
w)
.
Als
o
in
s
y
n
tactica
lly
awe
s
o
m
e
s
ty
le
s
h
ee
ts
(
SAS
S
)
,
we
co
u
ld
u
s
e
th
e
b
lo
ck
elem
e
n
t
an
d
th
e
id
en
tifie
r
n
o
tatio
n
s
ea
s
ily
,
wh
i
ch
is
th
e
tr
en
d
at
p
r
esen
t
to
o
r
g
an
ize
elem
en
ts
of
a
b
l
o
ck
ite
m
.
Fig
u
r
e
5
s
h
o
ws
th
e
b
lo
c
k
elem
en
t
n
o
tatio
n
.
W
h
er
e
g
aller
y
is
a
b
lo
c
k
a
n
d
‘
item
’
is
a
b
lo
ck
elem
en
t.
T
h
e
f
ig
u
r
e
also
s
h
o
ws
th
e
SC
S
S
f
ile
b
ein
g
co
m
p
iled
to
C
SS
.
SC
SS
u
s
es
th
e
SASS
f
ea
tu
r
es
but
th
e
cu
r
ly
b
r
ac
es,
u
n
lik
e
SASS
wh
er
e
we
r
eq
u
ir
e
in
d
en
tatio
n
a
n
d
th
e
b
lo
ck
elem
en
t
n
o
tatio
n
b
ec
o
m
es
m
u
ch
ea
s
ier
to
u
s
e.
Fig
u
r
e
5.
SC
SS
C
o
d
e
an
d
NPM
p
ac
k
ag
e
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
5
0
2
-
4
7
5
2
I
n
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci,
Vo
l.
24
,
No
.
2
,
No
v
em
b
er
2
0
2
1
:
9
7
8
-
985
984
Af
ter
th
e
co
m
p
lete
p
lan
o
u
t
of
a
UX
d
esig
n
,
a
n
d
th
e
p
r
o
t
o
ty
p
e
of
how
t
h
e
UI
of
o
u
r
ap
p
licatio
n
n
ee
d
s
to
lo
o
k
is
m
ad
e
,
th
e
n
e
x
t
s
tep
is
to
co
d
e
th
e
C
SS
.
T
r
ad
itio
n
al
C
SS
co
d
in
g
p
o
s
es
m
an
y
d
if
f
ic
u
lties
to
d
esig
n
er
s
,
due
to
its
in
f
lex
ib
ilit
y
.
I
n
s
tead
of
u
s
in
g
C
SS
th
e
tr
en
d
now
is
SAS
S.
SA
SS
is
a
p
r
e
p
r
o
ce
s
s
o
r
s
cr
ip
tin
g
lan
g
u
ag
e
th
at
is
c
o
m
p
iled
in
to
C
SS
.
So
,
u
ltima
tely
th
e
c
o
d
e
wr
itten
in
SASS
is
co
n
v
er
ted
to
a
C
SS
f
ile.
SASS
p
r
o
v
id
es
f
lex
ib
ilit
y
to
C
SS
,
we
co
u
ld
d
ec
lar
e
m
u
ltip
le
v
ar
iab
les
f
o
r
co
l
o
r
s
o
n
ce
an
d
u
s
e
th
em
th
r
o
u
g
h
o
u
t
th
e
d
esig
n
.
An
d
if
we
later
wan
ted
to
ch
an
g
e
th
e
co
lo
r
we
co
u
ld
re
-
ass
ig
n
th
at
v
ar
iab
le
with
a
n
ew
co
lo
r
.
A
n
d
one
more
m
ajo
r
ad
v
an
tag
e
of
SASS
is
th
at
we
c
an
wr
ite
th
e
co
d
e
in
d
if
f
er
en
t
f
iles
an
d
im
p
o
r
t
all
th
e
f
iles
u
s
in
g
th
e
@
im
p
o
r
t
k
ey
,
so
we
co
u
l
d
m
ain
tain
d
if
f
er
en
t
co
m
p
o
n
e
n
ts
lik
e
th
e
s
id
eb
ar
co
m
p
o
n
en
t
in
a
d
if
f
er
en
t
f
ile
an
d
n
av
b
ar
in
a
d
if
f
er
en
t
f
ile
an
d
th
en
also
r
eu
s
e
th
ese
co
m
p
o
n
en
ts
f
o
r
a
d
if
f
e
r
en
t
p
r
o
ject
to
o
.
3
.
3
.
2
.
Redux
R
ed
u
x
is
an
o
p
e
n
-
s
o
u
r
ce
J
av
a
Scr
ip
t
lib
r
ar
y
th
at
h
an
d
les
th
e
s
tatu
s
(
o
r
co
m
m
o
n
ly
ca
lled
a
s
tate)
of
an
ap
p
licatio
n
.
It
is
wid
ely
u
s
ed
to
cr
ea
te
th
e
u
s
er
in
ter
f
ac
e
wit
h
lib
r
ar
ies
li
k
e
R
ea
ct
or
An
g
u
l
ar
.
W
ith
R
ed
u
x
o
n
e
co
u
ld
co
n
n
ec
t
all
th
eir
f
r
o
n
t
-
e
n
d
co
m
p
o
n
e
n
ts
.
A
s
tate
in
R
e
d
u
x
is
a
lar
g
e
ter
m
(
also
k
n
o
wn
as
th
e
s
tate
tr
ee
)
,
but
it
g
en
er
ally
r
ef
er
s
to
th
e
s
in
g
le
s
tate
v
alu
e
in
th
e
R
ed
u
x
API
th
at
is
co
n
tr
o
lled
by
th
e
s
t
o
r
e
an
d
r
etu
r
n
ed
by
th
e
g
etState(
)
f
u
n
ctio
n
.
It
r
ef
l
ec
ts
th
e
en
tire
s
ta
te
of
a
R
ed
u
x
p
r
o
g
r
am
m
e,
wh
at
th
is
m
ea
n
s
is
th
at
an
y
ch
an
g
e
in
an
y
of
th
e
co
m
p
o
n
en
ts
of
o
u
r
ap
p
licatio
n
wo
u
ld
r
esu
lt
f
r
o
m
a
ch
an
g
e
in
th
e
en
tire
ap
p
l
icatio
n
’
s
r
en
d
er
in
g
.
Mid
d
lewa
r
e
in
R
ed
u
x
o
f
f
er
s
a
m
ed
iu
m
to
d
is
p
atch
ed
ac
tio
n
s
b
ef
o
r
e
it
r
e
ac
h
es
th
e
r
ed
u
ce
r
.
An
ac
tio
n
is
a
p
ay
lo
ad
th
at
ca
r
r
ies
in
f
o
r
m
ati
o
n
f
r
o
m
th
e
b
ac
k
-
e
n
d
of
o
u
r
a
p
p
licatio
n
a
n
d
is
s
en
d
to
th
e
s
to
r
e
so
th
at
th
e
s
tate
co
u
ld
ac
ce
s
s
th
e
p
ar
ticu
lar
ac
tio
n
.
In
th
e
ex
am
p
le
ab
o
v
e
wh
er
e
th
e
u
s
er
g
ets
au
th
en
ticated
,
it
is
th
e
p
as
s
in
g
of
in
f
o
r
m
atio
n
f
r
o
m
th
e
b
ac
k
-
e
n
d
to
th
e
f
r
o
n
t
-
e
n
d
,
b
ec
a
u
s
e
our
ap
p
licatio
n
’
s
b
ac
k
-
en
d
is
co
n
n
ec
ted
to
our
Mo
n
g
o
DB
d
atab
ase
an
d
in
t
u
r
n
,
th
e
f
r
o
n
t
-
e
n
d
r
e
n
d
er
s
th
e
in
f
o
r
m
atio
n
at
th
e
b
ac
k
-
e
n
d
.
So
,
th
is
p
ar
t
of
ca
r
r
y
in
g
th
e
in
f
o
r
m
atio
n
f
r
o
m
th
e
b
ac
k
-
en
d
to
th
e
s
to
r
e
is
ca
r
r
ied
o
u
t
by
th
e
ac
tio
n
s
.
A
n
d
th
e
s
to
r
e
is
wh
er
e
th
e
r
o
o
t
r
ed
u
ce
r
s
,
in
itial
s
tat
e,
an
d
m
id
d
lewa
r
e
ar
e
c
r
ea
te
d
.
C
h
r
o
m
e
h
as
an
ex
ten
s
io
n
f
o
r
R
ed
u
x
th
r
o
u
g
h
wh
ich
we
co
u
ld
s
ee
a
n
d
an
al
y
ze
our
s
tates.
N
o
w
an
a
c
t
i
o
n
c
o
n
t
ai
n
s
a
t
y
p
e
a
n
d
p
a
y
l
o
a
d
.
T
h
e
t
y
p
e
s
p
e
c
i
f
ie
s
t
h
e
a
ct
i
o
n
to
be
p
e
r
f
o
r
m
e
d
(
i
t
’
s
a
la
b
e
l
to
t
h
e
a
c
t
i
o
n
)
l
i
k
e
f
o
r
e
x
a
m
p
l
e
to
g
e
t
t
h
e
p
r
o
f
i
l
e
of
a
u
s
e
r
,
t
h
e
t
y
p
e
s
p
e
ci
f
i
e
d
to
t
h
at
a
ct
i
o
n
is
“
G
E
T
_
PR
OF
I
L
E
”.
T
h
e
p
a
y
l
o
a
d
c
o
n
t
a
i
n
s
t
h
e
i
n
f
o
r
m
a
t
i
o
n
f
r
o
m
t
h
e
b
a
c
k
-
e
n
d
of
a
p
a
r
t
i
c
u
l
a
r
a
ct
i
o
n
q
u
e
r
i
e
d
.
In
th
i
s
e
x
a
m
p
l
e
of
t
h
e
“
G
E
T
_
PR
OF
I
L
E
”
t
y
p
e
a
c
ti
o
n
,
a
g
e
t
r
e
q
u
e
s
t
t
h
r
o
u
g
h
a
x
i
o
s
is
m
a
d
e
to
t
h
e
b
a
c
k
-
e
n
d
a
n
d
t
h
e
r
e
s
p
o
n
s
e
d
at
a
f
r
o
m
t
h
e
b
a
c
k
-
e
n
d
is
s
e
n
d
as
t
h
e
a
c
t
io
n
’
s
p
a
y
l
o
a
d
.
N
o
w
t
h
e
a
c
ti
o
n
’
s
p
a
y
l
o
a
d
is
p
ass
e
d
to
t
h
e
R
e
d
u
x
’
s
s
t
o
r
e
,
f
r
o
m
h
e
r
e
t
h
e
p
a
y
l
o
a
d
is
t
h
e
n
p
a
s
s
e
d
to
th
e
s
t
at
e
a
n
d
t
h
e
n
t
h
e
e
n
t
i
r
e
a
p
p
l
i
c
a
t
i
o
n
’
s
f
r
o
n
t
-
e
n
d
r
e
c
ei
v
e
s
th
e
c
h
a
n
g
e
s
a
p
p
li
e
d
.
N
o
w
if
t
h
e
l
o
g
i
n
is
f
a
il
e
d
,
t
h
e
ac
t
i
o
n
g
e
ts
u
p
d
a
t
e
d
to
t
y
p
e
“
L
OG
I
N
_
F
A
I
L
”
a
n
d
is
a
u
t
h
e
n
t
i
c
ate
d
a
t
t
r
i
b
u
te
is
s
e
t
to
f
a
l
s
e
,
i
n
d
i
c
at
i
n
g
t
h
e
u
s
e
r
e
n
t
e
r
ed
i
n
v
a
l
i
d
c
r
e
d
e
n
t
i
a
l
s
.
A
n
o
t
i
f
i
ca
t
i
o
n
of
“
I
n
v
a
l
i
d
c
r
e
d
e
n
t
i
a
l
”
is
s
e
n
t
f
r
o
m
t
h
e
b
a
c
k
-
e
n
d
to
t
h
e
f
r
o
n
t
-
e
n
d
t
h
r
o
u
g
h
t
h
e
a
c
t
i
o
n
t
y
p
e
of
“
L
O
GI
N
_
F
A
I
L
”
.
N
o
w
t
h
i
s
n
o
t
i
f
i
ca
t
i
o
n
is
a
d
i
v
is
i
o
n
(
<
d
i
v
>
<
/
d
i
v
>
)
w
h
i
c
h
w
o
u
l
d
r
e
m
a
i
n
in
t
h
e
l
o
g
i
n
p
a
g
e.
To
r
e
m
o
v
e
t
h
i
s
n
o
t
i
f
ic
a
t
io
n
a
c
t
i
o
n
of
t
y
p
e
“
R
E
MO
V
E
_
A
L
E
R
T
”
is
s
e
t
a
f
te
r
5
s
e
c
o
n
d
s
u
s
i
n
g
t
h
e
s
e
t
T
i
m
eo
u
t
m
e
t
h
o
d
in
J
a
v
a
S
c
r
i
p
t
.
W
h
at
t
h
is
a
ct
i
o
n
d
o
e
s
is
t
h
a
t
it
w
o
u
l
d
s
et
t
h
e
d
is
p
l
a
y
b
l
o
c
k
to
none
(
d
i
s
p
l
a
y
:
n
o
n
e
)
a
f
t
e
r
5
s
e
c
o
n
d
s
.
4.
CO
NCLU
SI
O
N
Ma
n
y
W
eb
tech
n
o
lo
g
ies
ar
e
b
ein
g
m
ad
e
to
ea
s
e
th
e
co
n
n
ec
tio
n
b
etwe
en
a
r
etailer
an
d
cu
s
to
m
er
s
ac
r
o
s
s
th
e
g
l
o
b
e.
T
h
e
m
o
s
t
b
o
o
m
in
g
tech
at
p
r
esen
t
in
W
eb
tech
is
th
e
Mo
n
o
g
o
DB
d
a
tab
ase
,
No
d
ejs,
a
n
d
R
ea
ctjs
.
Mo
n
o
g
o
d
b
b
ein
g
a
non
-
r
elatio
n
al
d
ata
b
ase
m
an
ag
em
en
t
s
y
s
tem
(
n
o
n
-
R
DB
S),
is
th
e
p
r
ef
er
r
ed
d
atab
ase
at
p
r
esen
t
due
to
its
ca
p
ab
ilit
y
to
h
an
d
le
h
u
g
e
v
o
lu
m
es
of
d
ata
wh
ich
a
tr
ad
itio
n
al
R
DB
MS
s
y
s
tem
lik
e
My
SQL
f
ails
.
Mo
n
o
g
o
d
b
u
s
es
J
av
aScr
ip
t
o
b
ject
n
o
t
atio
n
(
J
SON)
d
ata
f
o
r
m
at
to
s
to
r
e
d
ata
in
to
its
d
atab
ase,
in
J
SON
f
o
r
m
at
d
ata
is
s
to
r
ed
in
a
k
ey
-
v
alu
e
p
air
.
So
,
u
n
lik
e
My
SQL
wh
er
e
d
ata
is
to
be
s
to
r
ed
in
a
tab
le,
J
SON
d
ata
is
m
u
ch
ea
s
ier
to
h
an
d
le.
In
ca
s
e
of
m
ak
in
g
a
s
ch
em
a
to
r
ef
er
e
n
ce
b
etwe
en
d
ata
in
Mo
n
g
o
DB
d
atab
ase
lik
e
th
at
of
My
SQL
(
r
elatin
g
b
etwe
en
tab
les
d
ata)
,
Mo
n
g
o
o
s
e
is
u
s
e
d
to
m
ak
e
a
s
ch
em
a
an
d
p
r
o
v
id
es
th
e
co
n
n
ec
tio
n
b
etwe
en
th
e
b
ac
k
-
en
d
of
t
h
e
a
p
p
licatio
n
with
th
e
Mo
n
g
o
DB
d
atab
ase.
An
d
th
e
b
ac
k
-
en
d
of
an
ap
p
licatio
n
is
b
u
ild
u
s
in
g
No
d
ejs.
R
ea
ctjs
is
u
s
ed
f
o
r
th
e
clien
t
-
s
id
e
r
en
d
e
r
in
g
of
th
e
web
s
ite
(
as
a
f
r
o
n
t
-
en
d
)
.
In
th
e
ca
s
e
of
R
ea
ct,
it
u
s
e
s
a
v
ir
tu
al
DOM
wh
ich
o
n
ly
re
-
r
en
d
er
s
th
e
p
ar
ticu
lar
co
m
p
o
n
en
t
th
at
is
b
ee
n
u
p
d
ated
,
r
at
h
er
th
a
n
re
-
r
e
n
d
er
in
g
th
e
e
n
tire
co
n
te
n
t
of
th
e
DOM
as
in
th
e
ca
s
e
of
An
g
u
lar
.
ACK
NO
WL
E
DG
E
M
E
NT
S
T
h
is
r
esear
ch
wo
r
k
was
f
u
n
d
e
d
by
“
W
o
o
s
o
n
g
Un
iv
e
r
s
ity
’
s
Aca
d
em
ic
R
esear
ch
Fu
n
d
in
g
-
2021
”
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
o
n
esian
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[1
]
K.
S.
Ala
o
u
i,
J.
F
o
sh
i
,
a
n
d
Y.
Z
o
u
in
e
,
“
Ra
d
i
o
o
v
e
r
fi
b
e
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m
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m
m
u
n
ica
ti
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n
,
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In
ter
n
a
ti
o
n
a
l
J
o
u
r
n
a
l
of
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e
c
trica
l
a
n
d
Co
mp
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ter
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n
g
i
n
e
e
rin
g
(IJ
ECE
)
,
v
o
l.
9,
no.
4,
pp.
2
5
7
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-
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5
7
7
,
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g
.
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9
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.
[2
]
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S
tu
a
rt,
“
HTM
L5
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n
d
t
h
e
C
a
n
v
a
s
El
e
m
e
n
t
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in
g
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a
v
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S
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me
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me
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,
p
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2
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2
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1.
[3
]
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Attard
i,
“
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n
tro
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S
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,
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o
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[4
]
A.
G
u
h
a
,
C.
S
a
ft
o
iu
,
a
n
d
S.
Krish
n
a
m
u
rth
i,
“
Th
e
Esse
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c
e
of
Ja
v
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S
c
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,
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E
u
ro
p
e
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7
.
[5
]
K.
T.
S
o
n
g
a
n
d
S.
H.
P
a
rk
,
“
De
sig
n
of
M
a
ste
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-
S
la
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S
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v
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lu
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tab
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se
,
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h
e
J
o
u
r
n
a
l
of
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o
re
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n
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sti
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In
f
o
rm
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ti
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e
c
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n
o
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g
y
,
v
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l.
1
5
,
n
o
.
2,
pp.
7
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0
1
7
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o
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8
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.
2
0
1
7
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1
5
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2
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7
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[
6
]
M
.
W
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,
P
.
L
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n
g
,
M
.
S
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h
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n
,
A
.
D
.
S
a
l
l
e
,
a
n
d
G
.
M
á
r
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z
,
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D
e
s
i
g
n
,
m
o
n
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t
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r
i
n
g
,
a
n
d
t
e
s
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g
of
m
i
c
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v
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s
:
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’
p
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s
p
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v
e
,
”
J
o
u
r
n
a
l
of
S
y
s
t
e
m
s
and
S
o
f
t
w
a
r
e
,
v
o
l
.
182,
2021,
d
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i
:
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.
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.
[7
]
M
.
Th
a
k
k
a
r
,
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il
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Re
a
c
t
Ap
p
s
with
S
e
rv
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r
-
S
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e
Re
n
d
e
rin
g
,
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w
Yo
rk
,
USA:
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,
20
20
,
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i:
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8
4
2
-
5
8
6
9
-
9.
[8
]
G
.
S
a
y
fa
n
,
“
Tes
ti
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g
Re
a
c
t.
js
Ap
p
li
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a
ti
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with
Je
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u
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ti
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n
to
F
a
st,
Eas
y
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ti
n
g
,
”
S
p
rin
g
e
rLi
n
k
,
2
0
1
9
.
A
v
a
il
a
b
le.
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n
li
n
e
].
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t
tp
s://
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l
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e
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tt
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:/
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1
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Y.
Q
i
,
“
T
h
e
r
o
l
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of
m
o
b
i
l
e
w
e
b
p
l
a
t
f
o
r
m
s
in
t
h
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d
e
v
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o
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m
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t
of
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s
k
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t
s
in
d
i
s
t
a
n
c
e
p
h
y
s
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l
e
d
u
c
a
t
i
o
n
c
o
u
r
s
e
s
,
”
T
h
i
n
k
i
n
g
S
k
i
l
l
s
and
C
r
e
a
t
i
v
i
t
y
,
v
o
l
.
42,
2021,
d
o
i
:
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0
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1
0
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.
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s
c
.
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.
[1
1
]
A.
S
tad
n
ick
i
,
F.
F.
P
ietr
o
ń
,
a
n
d
P.
B
u
re
k
,
“
To
wa
rd
s
a
M
o
d
e
rn
On
to
l
o
g
y
De
v
e
l
o
p
m
e
n
t
E
n
v
ir
o
n
m
e
n
t,
”
Pro
c
e
d
i
a
Co
mp
u
ter
S
c
ien
c
e
,
v
o
l.
1
7
6
,
p
p
.
7
5
3
-
7
6
2
,
2
0
2
0
,
d
o
i:
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0
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1
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j.
p
r
o
c
s.2
0
2
0
.
0
9
.
0
7
0
.
[1
2
]
D.
S
c
h
wa
rz
,
“
J
u
mp
sta
rt
Ad
o
b
e
XD
.
S
it
e
Po
in
t
,
”
2
0
1
7
.
Av
a
il
a
b
le
.
[On
li
n
e
].
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tt
p
s:/
/www
.
sitep
o
i
n
t.
c
o
m
/
p
re
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iu
m
/b
o
o
k
s/j
u
m
p
-
sta
rt
-
a
d
o
b
e
-
xd
[1
3
]
D.
M
a
z
in
a
n
ia
n
a
n
d
N.
Tsa
n
talis,
“
An
Emp
iri
c
a
l
S
tu
d
y
on
th
e
Use
of
CS
S
P
re
p
ro
c
e
ss
o
rs
,
”
IEE
E
2
3
r
d
I
n
ter
n
a
t
io
n
a
l
Co
n
fer
e
n
c
e
on
S
o
ft
w
a
re
An
a
lys
is,
Evo
lu
t
io
n
,
a
n
d
Ree
n
g
in
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e
rin
g
,
2
0
1
6
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o
i:
1
0
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1
1
0
9
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AN
ER.
2
0
1
6
.
1
8
.
[
1
4
]
A.
L
i
b
b
y
,
“
I
n
t
r
o
d
u
c
i
n
g
D
a
r
t
S
a
s
s
”
,
2019,
pp.
1
-
33.
A
v
a
i
l
a
b
l
e
.
[
O
n
l
i
n
e
]
.
h
t
t
p
s
:
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/
d
o
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p
u
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-
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t
m
l
[1
5
]
D.
Ce
d
e
rh
o
lm,
“
S
A
S
S
p
o
u
r
L
e
s
we
b
d
e
sig
n
e
rs
,
”
2
0
1
5
.
A
v
a
il
a
b
le.
[On
l
in
e
].
h
tt
p
s:/
/www
.
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y
ro
ll
e
s.c
o
m
/I
n
fo
rm
a
ti
q
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e
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v
re
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ss
-
pour
-
les
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b
-
d
e
sig
n
e
rs
-
9
7
8
2
2
1
2
1
4
1
4
7
4
/
[1
6
]
C.
G
y
o
rö
d
i
a
n
d
R.
G
y
o
rö
d
i,
“
A
Co
m
p
a
ra
ti
v
e
S
t
u
d
y
b
e
twe
e
n
t
h
e
Ca
p
a
b
il
it
ies
of
M
y
S
Ql
Vs.
M
o
n
g
o
DB
as
a
Ba
c
k
-
En
d
f
o
r
an
On
li
n
e
P
latfo
rm
,
”
In
te
rn
a
ti
o
n
a
l
J
o
u
r
n
a
l
of
Ad
v
a
n
c
e
d
C
o
mp
u
ter
S
c
ien
c
e
a
n
d
A
p
p
l
ica
ti
o
n
s
,
v
o
l.
7,
n
o
.
1
1
,
pp.
73
-
7
8
,
2
0
1
6
,
d
o
i:
1
0
.
1
4
5
6
9
/IJ
ACSA.
2
0
1
6
.
0
7
1
1
1
1
.
[1
7
]
T.
E.
S
o
m
e
fu
n
,
C.
O.
A.
Aw
o
so
p
e
,
a
n
d
C.
S
ik
a
,
“
De
v
e
lo
p
m
e
n
t
of
a
re
se
a
rc
h
p
r
o
jec
t
re
p
o
sit
o
ry
,
”
T
EL
KOM
NIKA
(
T
e
lec
o
mm
u
n
ica
ti
o
n
,
Co
mp
u
ti
n
g
,
El
e
c
tro
n
ics
a
n
d
Co
n
tro
l
)
,
v
o
l.
1
8
,
n
o
.
1,
p
p
.
15
-
1
6
5
,
F
e
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.
2
0
2
0
,
d
o
i:
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0
.
1
2
9
2
8
/
telk
o
m
n
ik
a
.
v
1
8
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.
1
0
4
5
2
.
[1
8
]
Av
a
il
a
b
le.
[On
l
in
e
].
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tt
p
:/
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p
d
f
[1
9
]
S.
B.
Uz
a
y
r,
N.
C
lo
u
d
,
a
n
d
T.
A
m
b
ler,
“
M
o
n
g
o
o
se
.
In
Ja
v
a
S
c
rip
t
fra
m
e
wo
rk
s
f
o
r
m
o
d
e
rn
we
b
d
e
v
e
lo
p
m
e
n
t
:
T
h
e
e
ss
e
n
ti
a
l
fra
m
e
wo
rk
s,
li
b
ra
ries
,
a
n
d
t
o
o
ls
to
lea
rn
ri
g
h
t
now
,
”
Ap
re
ss
,
2
0
1
9
,
d
o
i:
1
0
.
1
0
0
7
/9
7
8
-
1
-
4
8
4
2
-
4
9
9
5
-
6.
[2
0
]
A.
H.
Ch
il
l
ó
n
,
D.
S.
Ru
iz,
J.
G.
M
o
li
n
a
,
a
n
d
S.
F.
M
o
ra
les
,
“
A
M
o
d
e
l
-
Dri
v
e
n
Ap
p
ro
a
c
h
to
G
e
n
e
ra
te
S
c
h
e
m
a
s
fo
r
Ob
jec
t
-
Do
c
u
m
e
n
t
M
a
p
p
e
rs
,
”
IEE
E
Acc
e
ss
,
v
o
l.
7,
p
p
.
5
9
1
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6
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9
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4
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S
S
.
2
0
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.
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9
1
5
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0
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.
[2
1
]
S.
Ho
lme
s,
“
M
o
n
g
o
o
se
f
o
r
a
p
p
li
c
a
ti
o
n
d
e
v
e
lo
p
m
e
n
t
,
”
P
a
c
k
t
Pu
b
li
s
h
in
g
,
2
0
1
3
.
IS
BN
-
1
3
:
9
7
8
-
1
7
8
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1
6
8
1
9
5
.
[2
2
]
S.
Ti
lk
o
v
a
n
d
S.
Vin
o
sk
i,
“
No
d
e
.
js:
Us
in
g
Ja
v
a
S
c
ri
p
t
to
Bu
il
d
Hig
h
-
P
e
rfo
rm
a
n
c
e
Ne
two
rk
P
r
o
g
ra
m
s
,
”
IEE
E
In
ter
n
e
t
Co
m
p
u
ti
n
g
,
v
o
l.
1
4
,
no.
6,
p
p
.
80
-
83,
2
0
1
0
,
d
o
i:
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0
.
1
1
0
9
/M
IC.
2
0
1
0
.
1
4
5
.
[
2
3
]
A.
M
a
r
d
a
n
,
“
P
r
a
c
t
i
c
a
l
N
o
d
e
.
j
s
:
B
u
i
l
d
i
n
g
r
e
a
l
-
w
o
r
l
d
s
c
a
l
a
b
l
e
w
e
b
a
p
p
s
,
”
A
p
r
e
s
s
,
2018,
d
o
i
:
1
0
.
1
0
0
7
/
9
7
8
-
1
-
4302
-
6596
-
2
.
[2
4
]
O.
H.
Ja
d
e
r,
S.
R.
M.
Zee
b
a
re
e
,
a
n
d
R.
R.
Zeb
a
ri,
“
A
S
tate
of
a
rt
s
u
rv
e
y
f
o
r
we
b
se
rv
e
r
p
e
rfo
rm
a
n
c
e
m
e
a
su
re
m
e
n
t
a
n
d
lo
a
d
b
a
lan
c
i
n
g
m
e
c
h
a
n
ism
s
,
”
In
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
of
S
c
ien
ti
fi
c
a
n
d
T
e
c
h
n
o
l
o
g
y
Res
e
a
rc
h
,
v
o
l.
8,
no.
1
2
,
pp.
5
3
5
-
5
4
3
,
De
c
.
2
0
1
9
.
[2
5
]
L.
P.
C
h
it
ra
a
n
d
R.
S
a
tap
a
t
h
y
,
"
P
e
rfo
rm
a
n
c
e
c
o
m
p
a
riso
n
a
n
d
e
v
a
lu
a
ti
o
n
of
No
d
e
.
js
a
n
d
trad
it
i
o
n
a
l
we
b
se
rv
e
r
(IIS
),
"
In
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
on
Al
g
o
rit
h
ms
,
M
e
th
o
d
o
l
o
g
y
,
M
o
d
e
ls
and
A
p
p
li
c
a
ti
o
n
s
in
Eme
rg
in
g
T
e
c
h
n
o
lo
g
ies
(ICAM
M
A
ET
)
,
2
0
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7
,
p
p
.
1
-
4,
d
o
i:
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0
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AET
.
2
0
1
7
.
8
1
8
6
6
3
3
.
[2
6
]
N.
M
c
Clay
,
“
M
EA
N
c
o
o
k
b
o
o
k
:
T
h
e
me
a
n
e
st
se
t
of
M
E
AN
sta
c
k
so
l
u
ti
o
n
s
a
r
o
u
n
d
,
”
P
a
c
k
t
P
u
b
l
ish
i
n
g
,
2
0
1
7
.
[2
7
]
A.
Bh
a
wiy
u
g
a
,
S.
A.
Kh
a
rism
a
,
a
n
d
B.
J.
S
a
n
t
o
so
,
“
Cl
o
u
d
-
b
a
se
d
m
id
d
lew
a
re
fo
r
su
p
p
o
rti
n
g
b
a
t
c
h
a
n
d
stre
a
m
a
c
c
e
s
s
o
v
e
r
sm
a
rt
h
e
a
lt
h
c
a
re
we
a
ra
b
le
d
e
v
ice
,
”
B
u
ll
e
ti
n
of
E
lec
trica
l
En
g
i
n
e
e
rin
g
a
n
d
I
n
f
o
rm
a
ti
c
s
(BE
EI)
,
v
o
l
.
9,
no.
5,
p
p
.
1
9
9
0
-
1
9
9
7
,
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0
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0
,
d
o
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1
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5
9
1
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i.
v
9
i
5
.
1
9
7
8
.
[2
8
]
Y.
Ch
i
k
a
a
n
d
O.
K.
Esth
e
r,
“
F
in
a
n
c
ial
sto
c
k
a
p
p
li
c
a
ti
o
n
u
sin
g
w
e
b
so
c
k
e
t
in
re
a
l
ti
m
e
a
p
p
li
c
a
ti
o
n
,
”
In
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
of
In
f
o
rm
a
ti
c
s
a
n
d
Co
mm
u
n
ica
ti
o
n
T
e
c
h
n
o
lo
g
y
(I
J
ICT
)
,
v
o
l.
8,
n
o
.
3,
p
p
.
1
3
9
-
1
5
1
,
2
0
1
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,
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o
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1
0
.
1
1
5
9
1
/
ij
ict.
v
8
i
3
.
p
p
1
3
9
-
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5
1
.
[2
9
]
P.
G
u
p
ta,
S.
Ba
n
e
rjee
,
D.
P.
M
is
h
ra
a
n
d
S.
R.
S
a
l
k
u
ti
,
“
Co
n
n
e
c
ti
o
n
sta
tu
s
re
p
o
rt
g
e
n
e
ra
t
o
r,
”
In
d
o
n
e
sia
n
J
o
u
rn
a
l
of
El
e
c
trica
l
En
g
in
e
e
rin
g
a
n
d
C
o
mp
u
ter
S
c
ien
c
e
(IJ
EE
CS
)
,
v
o
l.
2
2
,
no.
2,
pp.
1
0
6
9
-
1
0
7
7
,
S
e
p
t
.
2
0
2
1
,
d
o
i:
1
0
.
1
1
5
9
1
/
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e
e
c
s.v
2
2
.
i2
.
p
p
1
0
6
9
-
1
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7
7
.
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