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T
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en
ted
v
ia
a
s
m
ar
t t
r
o
lley
.
T
h
e
ev
o
lu
tio
n
o
f
s
m
ar
t
s
h
o
p
p
in
g
s
y
s
te
m
s
ca
n
b
e
ca
te
g
o
r
ized
in
to
s
e
v
er
al
k
e
y
r
e
s
ea
r
ch
s
tr
ea
m
s
.
E
ar
l
y
r
esear
ch
f
o
cu
s
ed
o
n
p
r
o
v
in
g
t
h
e
v
iab
ili
t
y
o
f
R
FID
f
o
r
au
to
m
ated
ite
m
d
etec
tio
n
.
S
y
s
te
m
s
p
r
o
p
o
s
ed
b
y
Yu
s
o
f
f
et
a
l.
[
8
]
an
d
J
o
th
i
et
a
l.
[
9
]
s
u
cc
ess
f
u
l
l
y
d
e
m
o
n
s
tr
ated
th
i
s
u
s
in
g
s
i
m
p
le
m
icr
o
co
n
tr
o
ller
s
li
k
e
A
r
d
u
i
n
o
.
W
h
ile
f
o
u
n
d
atio
n
al,
t
h
ese
s
y
s
te
m
s
o
f
te
n
o
f
f
lo
ad
ed
b
illi
n
g
to
a
ce
n
tr
alize
d
co
u
n
ter
an
d
d
id
n
o
t
f
ea
tu
r
e
s
o
p
h
is
t
icate
d
u
s
er
in
ter
f
ac
es
o
r
au
to
n
o
m
o
u
s
p
ay
m
en
t.
Mo
r
e
ad
v
an
ce
d
p
r
o
to
t
y
p
es,
s
u
c
h
as
th
e
o
n
e
b
y
P
r
ad
h
an
et
a
l.
[
1
0
]
,
u
tili
ze
d
a
R
asp
b
er
r
y
P
i
m
icr
o
co
n
tr
o
ller
,
h
in
tin
g
at
g
r
ea
ter
p
r
o
c
ess
in
g
ca
p
ab
ilit
ies
b
u
t
s
till
lack
ed
d
etailed
p
er
f
o
r
m
a
n
ce
ev
al
u
atio
n
.
T
h
e
g
r
o
w
i
n
g
e
n
ter
p
r
is
e
ad
o
p
tio
n
o
f
I
o
T
tech
n
o
lo
g
ies
h
as
b
ee
n
d
o
cu
m
e
n
ted
i
n
r
ec
e
n
t
s
tu
d
ie
s
[
1
1
]
,
h
ig
h
lig
h
ti
n
g
b
o
th
o
p
p
o
r
tu
n
ities
an
d
ch
alle
n
g
es.
T
h
ese
ea
r
ly
s
y
s
te
m
s
,
in
clu
d
i
n
g
th
o
s
e
b
y
C
h
a
n
d
r
asek
ar
a
n
d
San
g
ee
t
h
a
[
1
2
]
,
o
f
ten
r
elied
o
n
ce
n
tr
alize
d
b
illi
n
g
a
n
d
lack
ed
in
te
g
r
ated
p
ay
m
e
n
t so
l
u
tio
n
s
.
T
o
a
d
d
r
ess
p
o
ten
tial th
e
f
t (
e.
g
.
,
p
lac
in
g
a
n
ite
m
i
n
th
e
ca
r
t
w
i
th
o
u
t i
ts
ta
g
)
,
r
esear
ch
er
s
h
av
e
ex
p
lo
r
ed
s
en
s
o
r
f
u
s
io
n
,
m
o
s
t
co
m
m
o
n
l
y
co
m
b
in
in
g
R
FID
w
it
h
w
e
ig
h
t
s
e
n
s
o
r
s
(
lo
ad
ce
lls
)
.
T
h
e
p
r
in
cip
le
is
to
cr
o
s
s
-
v
alid
ate
th
e
s
ca
n
n
ed
ite
m
s
w
it
h
th
e
to
tal
w
ei
g
h
t
in
th
e
tr
o
lle
y
[
1
3
]
,
[
1
4
]
.
R
ec
en
t
w
o
r
k
b
y
Su
b
u
d
h
i
an
d
P
o
n
n
alag
u
[
1
5
]
an
d
L
ak
s
h
m
i
et
a
l.
[
1
6
]
f
u
r
th
er
r
ef
i
n
es
t
h
i
s
ap
p
r
o
ac
h
,
d
em
o
n
s
tr
ati
n
g
i
m
p
r
o
v
ed
ac
cu
r
ac
y
in
th
e
f
t
d
etec
tio
n
.
Ho
w
e
v
er
,
th
i
s
m
eth
o
d
in
tr
o
d
u
ce
s
ad
d
itio
n
al
h
ar
d
w
ar
e
co
m
p
lex
it
y
a
n
d
ca
lib
r
atio
n
ch
alle
n
g
e
s
,
an
d
ca
n
b
e
d
ef
ea
ted
b
y
i
te
m
s
w
it
h
s
i
m
ilar
w
e
ig
h
t
s
.
A
p
ar
allel
s
tr
ea
m
o
f
r
esear
ch
esch
e
w
s
R
FID
e
n
tire
l
y
i
n
f
a
v
o
r
o
f
co
m
p
u
ter
v
is
io
n
(
C
V)
.
I
n
t
h
es
e
s
y
s
te
m
s
,
ca
m
er
as
m
o
u
n
ted
o
n
th
e
tr
o
lley
id
en
ti
f
y
p
r
o
d
u
cts
b
ased
o
n
th
eir
ap
p
ea
r
an
ce
[
1
7
]
,
[
1
8
]
.
P
r
o
j
ec
ts
lik
e
Am
az
o
n
’
s
Das
h
C
ar
t
ar
e
c
o
m
m
er
cial
e
x
a
m
p
le
s
.
R
esear
c
h
b
y
Sar
w
ar
et
a
l.
[
1
9
]
d
em
o
n
s
tr
ates
a
d
ee
p
lear
n
in
g
-
b
ased
ap
p
r
o
ac
h
f
o
r
p
r
o
d
u
ct
r
e
co
g
n
itio
n
.
T
h
e
p
r
im
ar
y
ad
v
a
n
tag
e
o
f
C
V
i
s
th
at
it
r
eq
u
ir
es
n
o
p
r
o
d
u
ct
tag
g
i
n
g
.
Ho
w
e
v
er
,
it
f
ac
es
s
ig
n
i
f
ica
n
t
ch
al
len
g
es,
i
n
cl
u
d
in
g
h
i
g
h
co
m
p
u
tatio
n
al
d
e
m
a
n
d
,
s
en
s
iti
v
it
y
to
ite
m
o
r
ien
tatio
n
,
an
d
f
ail
u
r
e
in
ca
s
e
s
o
f
o
cc
lu
s
io
n
(
w
h
e
n
o
n
e
ite
m
b
lo
ck
s
th
e
v
ie
w
o
f
a
n
o
th
er
)
[
2
0
]
,
[
2
1
]
.
A
r
ch
i
t
e
ct
u
r
al
c
o
n
s
i
d
e
r
at
i
o
n
s
a
r
e
a
l
s
o
a
k
ey
r
e
s
ea
r
ch
t
o
p
i
c
.
W
h
i
le
m
an
y
p
r
o
t
o
ty
p
es
,
in
c
lu
d
in
g
S
E
L
L
A
,
u
s
e
an
o
n
-
b
o
a
r
d
a
r
ch
it
e
c
tu
r
e
f
o
r
p
r
o
c
e
s
s
in
g
,
o
th
e
r
s
ex
p
l
o
r
e
c
l
o
u
d
-
b
a
s
e
d
m
o
d
el
s
.
A
s
tu
d
y
b
y
A
l
-
Fu
q
ah
a
e
t
a
l.
[
2
2
]
d
i
s
cu
s
s
es
th
e
b
r
o
a
d
e
r
im
p
li
c
a
t
i
o
n
s
o
f
cl
o
u
d
-
I
o
T
i
n
t
eg
r
a
t
i
o
n
f
o
r
d
at
a
an
aly
t
i
cs
an
d
s
c
al
a
b
il
i
ty
.
A
c
l
o
u
d
-
b
a
s
e
d
s
m
a
r
t
c
a
r
t
c
o
u
l
d
o
f
f
l
o
a
d
h
e
av
y
c
o
m
p
u
t
a
ti
o
n
a
n
d
en
a
b
l
e
p
o
w
e
r
f
u
l
,
f
l
ee
t
-
w
i
d
e
an
a
ly
t
ic
s
f
o
r
r
e
ta
i
l
e
r
s
[
2
3
]
.
W
h
ile
t
h
ese
f
o
u
n
d
atio
n
al
w
o
r
k
s
ar
e
s
ig
n
i
f
ica
n
t,
t
h
e
y
o
f
te
n
lea
v
e
cr
itical
q
u
esti
o
n
s
u
n
an
s
w
er
ed
r
eg
ar
d
in
g
r
ea
l
-
w
o
r
ld
p
er
f
o
r
m
a
n
ce
.
Ke
y
li
m
itatio
n
s
ac
r
o
s
s
m
an
y
s
t
u
d
ies
i
n
cl
u
d
e
a
lack
o
f
r
ep
o
r
ted
UI
laten
c
y
,
C
P
U
/
m
e
m
o
r
y
o
v
er
h
ea
d
,
o
r
d
e
tailed
R
FID
r
ea
d
-
r
ate
an
al
y
s
is
u
n
d
er
v
ar
y
i
n
g
co
n
d
itio
n
s
.
T
h
e
SEL
L
A
s
y
s
te
m
,
as
d
etailed
i
n
t
h
is
p
ap
er
,
d
is
tin
g
u
i
s
h
es
i
ts
el
f
b
y
f
o
cu
s
in
g
o
n
a
p
u
r
e
R
FID
-
b
ased
ap
p
r
o
ac
h
to
m
i
n
i
m
ize
h
ar
d
w
ar
e
co
m
p
lex
it
y
,
w
h
ile
in
teg
r
at
in
g
a
f
u
ll
y
a
u
to
n
o
m
o
u
s
p
ay
m
e
n
t
w
o
r
k
f
lo
w
.
Mo
s
t
cr
iticall
y
,
w
e
ad
d
r
ess
th
e
v
alid
atio
n
g
ap
b
y
p
laci
n
g
a
ce
n
tr
al
f
o
cu
s
o
n
t
h
e
s
c
ien
t
if
i
c
v
alid
atio
n
o
f
o
u
r
s
y
s
te
m
’
s
p
er
f
o
r
m
an
ce
t
h
r
o
u
g
h
r
ep
ea
tab
le,
q
u
an
titati
v
e
ex
p
er
i
m
en
ts
.
T
h
is
w
o
r
k
b
u
ild
s
u
p
o
n
th
e
f
o
u
n
d
atio
n
al
co
n
ce
p
ts
o
f
s
y
s
te
m
s
lik
e
[
2
4
]
an
d
[
2
5
]
b
u
t
p
r
o
v
id
es
th
e
r
i
g
o
r
o
u
s
p
er
f
o
r
m
a
n
ce
d
ata
n
ec
ess
ar
y
f
o
r
as
s
ess
in
g
p
r
ac
tical
v
iab
ilit
y
.
R
ec
e
n
t
ad
v
an
ce
s
i
n
s
m
ar
t
s
h
o
p
p
in
g
ca
r
ts
h
av
e
also
ex
p
lo
r
ed
p
er
s
o
n
alize
d
r
ec
o
m
m
e
n
d
atio
n
s
to
en
h
a
n
ce
cu
s
to
m
er
ex
p
er
ien
ce
[
2
6
]
.
T
h
is
p
ap
er
in
tr
o
d
u
ce
s
SE
L
L
A
,
a
s
m
ar
t
s
h
o
p
p
in
g
tr
o
lle
y
s
y
s
te
m
d
esi
g
n
ed
to
f
ill
th
e
s
e
g
ap
s
.
T
h
e
p
r
im
ar
y
co
n
tr
ib
u
tio
n
s
o
f
th
is
w
o
r
k
ar
e
t
h
r
ee
f
o
ld
:
−
A
f
u
ll
y
a
u
to
n
o
m
o
u
s
s
y
s
te
m
ar
ch
itect
u
r
e
:
t
h
e
d
esi
g
n
an
d
i
m
p
le
m
e
n
tatio
n
o
f
a
s
el
f
-
co
n
tai
n
e
d
tr
o
lley
th
a
t
h
an
d
le
s
ite
m
id
e
n
ti
f
icatio
n
,
r
ea
l
-
ti
m
e
b
ill
in
g
,
a
n
d
o
n
-
b
o
ar
d
p
ay
m
e
n
t
p
r
o
ce
s
s
i
n
g
w
it
h
o
u
t
r
elian
ce
o
n
an
y
f
i
x
ed
ch
ec
k
o
u
t i
n
f
r
as
tr
u
ct
u
r
e.
−
A
r
i
g
o
r
o
u
s
s
cien
tific
v
a
lid
ati
o
n
f
r
a
m
e
w
o
r
k
:
a
d
etai
led
ex
p
er
im
e
n
tal
m
et
h
o
d
o
lo
g
y
f
o
r
ev
alu
a
tin
g
t
h
e
p
er
f
o
r
m
a
n
ce
o
f
s
u
c
h
s
y
s
te
m
s
,
in
clu
d
i
n
g
d
ef
i
n
ed
m
etr
ics
f
o
r
ac
cu
r
ac
y
,
laten
c
y
,
an
d
r
eso
u
r
ce
u
tili
za
tio
n
,
w
h
ic
h
ar
e
cr
u
cial
f
o
r
ass
e
s
s
i
n
g
p
r
ac
tical
v
iab
ilit
y
.
−
A
co
m
p
r
e
h
en
s
i
v
e
p
er
f
o
r
m
a
n
ce
an
al
y
s
is
:
t
h
e
p
r
e
s
e
n
tatio
n
o
f
q
u
an
t
itati
v
e
r
esu
lts
t
h
at
v
alid
ate
th
e
s
y
s
te
m
’
s
r
o
b
u
s
t
n
ess
,
e
f
f
icie
n
c
y
,
an
d
ac
cu
r
ac
y
,
p
r
o
v
id
i
n
g
a
b
en
ch
m
ar
k
f
o
r
f
u
tu
r
e
r
e
s
ea
r
ch
i
n
th
i
s
d
o
m
ai
n
.
T
h
e
r
em
a
in
d
er
o
f
th
i
s
p
ap
er
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o
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g
a
n
ized
as
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o
llo
w
s
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Sectio
n
2
d
etail
s
t
h
e
p
r
o
p
o
s
ed
s
y
s
te
m
ar
ch
itec
t
u
r
e
an
d
m
e
th
o
d
o
lo
g
y
,
in
clu
d
in
g
th
e
h
ar
d
w
ar
e
an
d
s
o
f
t
w
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e
d
esig
n
,
as
w
e
ll
as
th
e
co
r
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o
p
e
r
atio
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al
alg
o
r
ith
m
.
Sectio
n
3
d
escr
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es
th
e
ex
p
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i
m
en
ta
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p
,
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r
o
ce
d
u
r
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s
ed
f
o
r
r
ig
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r
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u
s
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y
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te
m
v
alid
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n
.
I
n
s
ec
tio
n
4
,
w
e
p
r
esen
t
an
d
d
is
cu
s
s
th
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q
u
an
tita
tiv
e
r
es
u
lts
o
f
o
u
r
ex
p
er
i
m
en
t
s
,
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
1
6
9
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T
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Vo
l.
24
,
No
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1
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Feb
r
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26
:
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all
y
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ec
tio
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5
co
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ap
er
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SYST
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ARCH
I
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CT
U
R
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AND
M
E
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H
O
DO
L
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e
SEL
L
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s
y
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te
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i
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ed
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em
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ed
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ed
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y
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te
m
th
at
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teg
r
ate
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ar
d
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o
f
t
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to
a
co
h
esiv
e,
h
i
g
h
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p
er
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o
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m
a
n
ce
u
n
it.
I
t
u
tili
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s
a
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asp
b
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y
P
i
as
th
e
ce
n
tr
al
co
n
tr
o
ller
to
m
a
n
a
g
e
p
er
ip
h
er
al
co
m
m
u
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icatio
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a
n
d
d
ata
p
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ce
s
s
i
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g
ta
s
k
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ef
f
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tl
y
.
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h
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d
esig
n
en
s
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r
es
lo
w
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late
n
c
y
p
er
f
o
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m
a
n
ce
an
d
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eliab
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o
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atio
n
,
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h
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e
cr
itical
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eq
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ir
e
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e
n
ts
f
o
r
a
d
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n
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m
ic
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etail
en
v
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n
m
e
n
t.
2
.
1
.
Sy
s
t
em
o
v
er
v
iew
a
nd
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pera
t
io
na
l f
lo
w
T
h
e
s
y
s
te
m
is
d
es
ig
n
ed
to
b
e
in
t
u
iti
v
e.
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c
u
s
to
m
er
b
e
g
in
s
b
y
au
th
e
n
ticati
n
g
o
n
th
e
tr
o
lle
y
’
s
to
u
ch
s
cr
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n
.
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th
e
y
p
lace
item
s
w
it
h
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tag
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in
to
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e
tr
o
lle
y
,
th
e
y
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e
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to
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atica
l
l
y
d
etec
ted
.
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h
e
item
’
s
d
etails
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p
ea
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n
th
e
m
ai
n
s
cr
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h
e
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tal
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s
t
is
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p
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ted
in
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ti
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f
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m
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b
tr
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ted
f
r
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m
t
h
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tal.
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o
n
f
i
n
i
s
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th
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s
to
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in
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tes th
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m
e
n
t p
r
o
ce
s
s
,
w
h
ic
h
g
e
n
er
ates a
q
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r
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QR
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co
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r
m
o
b
il
e
p
ay
m
e
n
t.
T
h
e
en
tire
ar
ch
ite
ctu
r
e
is
ill
u
s
tr
ated
i
n
th
e
b
lo
ck
d
iag
r
a
m
s
h
o
w
n
i
n
Fig
u
r
e
1
.
Fig
u
r
e
1
.
B
lo
ck
d
iag
r
a
m
o
f
t
h
e
p
r
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p
o
s
ed
s
y
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te
m
T
h
e
o
p
er
atio
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w
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r
k
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w
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f
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h
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SE
L
L
A
ap
p
licatio
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i
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il
lu
s
tr
ated
b
y
t
h
e
f
lo
w
ch
ar
t
in
Fi
g
u
r
e
2
.
T
h
e
ap
p
licatio
n
in
itiate
s
w
ith
a
l
o
g
in
w
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n
d
o
w
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er
e
th
e
u
s
e
r
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r
eq
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ir
ed
t
o
au
th
en
tica
te.
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o
n
s
u
cc
ess
f
u
l
au
th
e
n
tica
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n
,
th
e
u
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er
g
ai
n
s
ac
ce
s
s
to
th
e
m
ai
n
ap
p
licatio
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d
o
w
,
w
h
ich
f
u
n
ctio
n
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as
th
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p
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m
ar
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p
o
in
t
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ale
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P
OS)
in
ter
f
ac
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h
e
s
y
s
te
m
co
n
ti
n
u
o
u
s
l
y
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ea
d
s
th
e
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ata
f
r
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m
p
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u
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n
n
ed
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y
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e
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d
er
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en
ti
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e
co
r
r
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n
d
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g
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s
i
n
its
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atab
ase,
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d
a
d
d
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th
e
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to
th
e
s
h
o
p
p
in
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ca
r
t.
T
h
e
to
tal
p
r
ice
is
ca
lcu
lated
an
d
d
is
p
la
y
ed
in
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e
al
-
ti
m
e.
T
h
e
u
s
er
ca
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th
e
n
p
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ce
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to
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ay
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e
n
t,
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co
n
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ir
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n
d
r
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o
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tr
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ase.
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d
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h
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ap
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licatio
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allo
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t
h
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et
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en
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ite
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at
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ir
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h
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n
d
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t
t
h
e
p
r
o
d
u
cts.
Fu
r
th
er
m
o
r
e,
t
h
e
s
y
s
te
m
m
o
n
ito
r
s
th
e
p
r
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ce
o
f
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ta
g
s
a
n
d
a
u
to
m
at
icall
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r
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m
o
v
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p
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d
u
ct
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f
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th
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ca
r
t
if
a
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r
a
w
n
f
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o
m
t
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n
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n
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zo
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e
.
2
.
2
.
H
a
rdwa
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t
ec
t
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a
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m
po
nent
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us
t
if
ica
t
io
n
T
h
e
s
y
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te
m
’
s
h
ar
d
w
ar
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co
m
p
o
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en
t
s
w
er
e
s
elec
ted
to
b
alan
c
e
p
er
f
o
r
m
an
ce
,
p
o
w
er
co
n
s
u
m
p
tio
n
,
an
d
co
s
t.
T
h
e
co
r
e
c
o
m
p
o
n
e
n
ts
ar
e
in
ter
co
n
n
ec
ted
as s
h
o
w
n
i
n
th
e
s
y
s
te
m
s
ch
e
m
atic
(
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g
u
r
e
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)
.
−
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en
tr
al
p
r
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ce
s
s
in
g
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it
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asp
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r
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r
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u
r
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u
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3
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g
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ap
h
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s
er
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ter
f
ac
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GUI
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ev
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n
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lli
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l th
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e
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er
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h
is
ar
ch
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e
en
s
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r
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t
h
at
th
e
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FID
r
ea
d
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g
p
r
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s
s
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n
s
in
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d
co
m
m
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icate
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ch
r
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ar
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4
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m
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m
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s
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li
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s
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f
t
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ted
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u
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ain
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r
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Sy
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s
s
e
m
bly
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h
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R
asp
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r
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o
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atin
g
s
y
s
te
m
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a
s
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s
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i
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g
t
h
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a
s
p
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l.
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wo
r
k
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en
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i
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a
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t
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t c
u
r
r
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ated
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g
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r
e
5
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th
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h
y
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ical
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s
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m
b
l
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v
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m
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u
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liq
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tal
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s
cr
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n
o
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tr
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h
a
n
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leb
ar
.
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c
u
s
to
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3
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-
p
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lo
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w
a
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d
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ed
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d
its
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te
n
n
a
w
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s
tr
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l
y
p
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ed
at
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ask
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ize
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u
r
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.
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s
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h
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p
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2
.
6
.
So
f
t
w
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m
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n a
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rf
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te
m
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b
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ar
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f
o
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ap
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itates
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ase
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2
.
6
.
1
.
G
UI
d
ev
elo
p
m
e
nt
w
it
h P
y
Q
t
5
T
h
e
g
r
ap
h
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s
er
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ter
f
ac
e
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a
s
b
u
ilt
u
s
i
n
g
th
e
P
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f
r
a
m
e
w
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r
k
.
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h
is
ch
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ice
e
n
ab
led
th
e
cr
ea
tio
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o
f
a
m
o
d
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n
,
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s
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a
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d
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n
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t
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s
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h
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le
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.
2
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6
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2
.
User
inte
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ce
w
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f
lo
w
a
nd
f
ea
t
ures
T
h
e
u
s
er
in
ter
f
ac
e
w
o
r
k
f
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w
a
n
d
its
m
ain
f
ea
t
u
r
es c
an
b
e
b
r
o
k
en
d
o
w
n
a
s
:
−
L
o
g
i
n
a
n
d
a
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t
h
en
t
icatio
n
:
t
h
e
ap
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est.
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t
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q
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l SQ
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ase
to
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
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6
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T
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24
,
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1
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Feb
r
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ar
y
20
26
:
1
84
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−
Ma
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ash
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icall
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ig
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to
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s
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f
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tto
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cl
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co
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t
(
s
elf
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s
a
v
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an
s
ac
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m
m
i
ts
th
e
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r
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ase
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etail
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Fig
u
r
e
6
.
Scr
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s
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m
a
in
w
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s
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f
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I
D,
n
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m
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p
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d
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m
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g
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U
R
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to
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r
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m
est
a
m
p
,
cu
s
to
m
er
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n
d
to
tal
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)
.
T
h
e
h
is
to
r
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l
e
is
in
i
tialized
w
it
h
d
ef
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ed
co
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n
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an
d
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o
p
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s
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ac
ce
s
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le
t
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i
n
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er
s
.
3.
E
XP
E
R
I
M
E
NT
A
L
SE
T
UP
AND
P
E
RF
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RM
ANCE E
V
AL
UA
T
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N
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o
s
cien
tif
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l
y
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al
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ate
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SEL
L
A
s
y
s
te
m
,
a
s
er
ies
o
f
co
n
tr
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lled
ex
p
er
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m
en
t
s
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d
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ig
n
ed
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n
d
ex
ec
u
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w
it
h
d
etailed
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et
h
o
d
o
lo
g
y
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en
s
u
r
e
f
u
ll
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ep
r
o
d
u
c
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ilit
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.
T
h
ese
ex
p
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i
m
en
ts
f
o
c
u
s
ed
o
n
m
o
n
ito
r
i
n
g
cr
itical
p
er
f
o
r
m
a
n
ce
m
etr
ic
s
u
n
d
er
v
ar
y
in
g
en
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ir
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n
m
en
tal
co
n
d
itio
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s
an
d
u
s
a
g
e
s
ce
n
a
r
io
s
.
T
h
e
p
r
im
ar
y
o
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j
ec
tiv
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w
a
s
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tr
ess
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t
th
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ar
d
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ar
e
an
d
s
o
f
t
w
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e
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te
g
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atio
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s
u
r
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r
eliab
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in
a
r
ea
l
-
w
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ld
r
etail
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n
g
.
3
.
1
.
T
estbed
a
nd
e
nv
iro
n
m
e
nt
Ou
r
ex
p
er
i
m
e
n
tal
s
et
u
p
is
ch
ar
ac
ter
ized
b
y
t
h
e
f
o
llo
w
i
n
g
k
e
y
asp
ec
ts
:
−
Har
d
w
ar
e:
t
h
e
f
u
ll
y
as
s
e
m
b
l
ed
p
r
o
to
ty
p
e
as
d
escr
ib
ed
in
s
ec
tio
n
2
,
w
it
h
all
co
m
p
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p
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is
el
y
d
o
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m
en
ted
in
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d
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o
d
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n
u
m
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f
ir
m
w
ar
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io
n
s
,
an
d
co
n
f
i
g
u
r
atio
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tti
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g
s
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−
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s
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a
s
et
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2
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etail
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w
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n
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t
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in
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en
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d
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m
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3
.
2
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o
rm
a
nce
m
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rics
T
o
p
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id
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a
q
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titati
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e
ass
es
s
m
en
t,
t
h
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f
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llo
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i
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g
k
e
y
p
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f
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r
m
an
ce
i
n
d
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(
KP
I
s
)
w
er
e
d
ef
in
ed
:
−
T
ag
d
et
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tio
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a
cc
u
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(
%):
t
h
e
p
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tly
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p
lace
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th
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lle
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.
A
cc
u
r
ac
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=
(
co
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tal
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×
1
0
0
.
−
R
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d
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g
e
(
c
m
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t
h
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m
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x
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m
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ce
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at
w
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h
a
tag
i
s
r
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l
y
d
etec
ted
(
>9
9
%
r
ea
d
r
ate)
.
Evaluation Warning : The document was created with Spire.PDF for Python.
T
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m
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R
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(
Ha
d
j Zerr
o
u
ki
)
191
−
UI
u
p
d
ate
late
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(
m
s
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te
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t
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3
.
3
.
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x
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n
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cted
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s
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r
e
s
ta
tis
tical
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ig
n
i
f
ica
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ce
,
in
cl
u
d
ed
:
−
Scen
ar
io
A
(
b
aselin
e)
:
a
d
d
in
g
1
0
n
o
n
-
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n
ter
f
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g
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m
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s
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−
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m
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lt
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t
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:
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d
d
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all
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s
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s
l
y
i
n
a
r
an
d
o
m
ized
ar
r
an
g
e
m
en
t.
−
Scen
ar
io
C
(
i
n
ter
f
er
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n
ce
)
:
a
d
d
in
g
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m
s
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th
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o
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lace
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d
ir
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tl
y
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th
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n
a.
−
Scen
ar
io
D
(
d
y
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m
ic
m
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t v
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s
p
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d
s
.
−
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ar
io
E
(
m
i
x
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m
ater
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n
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l
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w
ater
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etals
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ater
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Do
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k
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2
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an
d
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if
f
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l.
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2
8
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,
w
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2
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lev
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P
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[
1
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2
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)
G
U
I
B
a
si
c
L
C
D
N
o
t
s
p
e
c
i
f
i
e
d
A
d
v
a
n
c
e
d
A
d
v
a
n
c
e
d
(
P
y
Q
t
)
P
e
r
f
o
r
man
c
e
v
a
l
i
d
a
t
i
o
n
C
o
n
c
e
p
t
u
a
l
B
a
si
c
L
i
mi
t
e
d
R
i
g
o
r
o
u
s
a
n
d
q
u
a
n
t
i
t
a
t
i
v
e
U
I
l
a
t
e
n
c
y
r
e
p
o
r
t
e
d
No
No
No
Y
e
s (<5
0
0
ms)
R
e
so
u
r
c
e
u
sag
e
r
e
p
o
r
t
e
d
No
No
No
Y
e
s (CPU
,
R
A
M
)
P
a
y
me
n
t
i
n
t
e
g
r
a
t
i
o
n
No
No
Y
e
s
Y
e
s
A
n
t
i
-
t
h
e
f
t
m
e
c
h
a
n
i
sm
No
No
W
e
i
g
h
t
+
v
i
si
o
n
R
F
I
D
d
e
b
o
u
n
c
i
n
g
C
o
st
e
st
i
mat
i
o
n
L
o
w
M
e
d
i
u
m
H
i
g
h
M
e
d
i
u
m
Ho
w
e
v
er
,
SEL
L
A
p
r
o
v
id
es
a
m
o
r
e
tr
an
s
p
ar
en
t
an
d
co
s
t
-
ef
f
ec
t
iv
e
ap
p
r
o
ac
h
u
s
in
g
o
p
en
-
s
o
u
r
ce
tech
n
o
lo
g
ies.
R
ec
e
n
t
in
d
u
s
tr
y
ad
v
an
ce
s
,
as
h
i
g
h
li
g
h
ted
i
n
s
y
s
te
m
atic
r
ev
ie
w
s
o
f
I
o
T
tec
h
n
o
lo
g
ies
f
o
r
r
etail
[
3
0
]
,
em
p
h
a
s
ize
th
e
g
r
o
w
i
n
g
i
m
p
o
r
tan
ce
o
f
s
ea
m
les
s
ch
ec
k
o
u
t
ex
p
er
ien
ce
s
.
SE
L
L
A
’
s
ap
p
r
o
ac
h
alig
n
s
w
i
th
th
ese
tr
e
n
d
s
w
h
ile
o
f
f
er
in
g
a
m
o
r
e
ac
ce
s
s
ib
le
i
m
p
le
m
e
n
tati
o
n
.
4.
5
.
Securit
y
a
nd
priv
a
cy
co
ns
idera
t
io
ns
I
n
o
r
d
er
to
p
r
o
v
id
e
a
r
eliab
le
u
s
er
e
x
p
er
ien
ce
,
t
h
e
SE
L
L
A
s
o
lu
tio
n
d
ep
lo
y
s
a
m
u
lt
i
-
la
y
er
e
d
s
ec
u
r
it
y
an
d
p
r
iv
ac
y
ar
ch
itect
u
r
e.
T
h
e
m
o
s
t
p
r
ed
o
m
i
n
an
t
m
ea
s
u
r
es
in
te
n
d
to
s
af
eg
u
ar
d
u
s
er
in
f
o
r
m
a
tio
n
,
m
a
k
e
p
ay
m
e
n
t tr
an
s
ac
tio
n
s
s
ec
u
r
e,
an
d
o
v
er
co
m
e
p
r
iv
ac
y
i
s
s
u
es i
n
h
er
en
t i
n
R
FID
tech
n
o
lo
g
y
.
−
User
a
u
th
e
n
ticatio
n
:
t
h
e
s
y
s
te
m
s
ec
u
r
es
ac
ce
s
s
th
r
o
u
g
h
a
m
an
d
ato
r
y
au
th
e
n
ticat
io
n
p
r
o
ce
s
s
.
A
r
o
b
u
s
t
lo
g
in
in
ter
f
ac
e
(
Fi
g
u
r
e
7
(
a
)
)
r
eq
u
ir
es
a
u
s
er
n
a
m
e
a
n
d
p
ass
w
o
r
d
to
v
er
i
f
y
u
s
er
id
e
n
tit
y
b
ef
o
r
e
g
r
an
t
in
g
ac
ce
s
s
to
th
e
m
a
in
ap
p
licatio
n
an
d
p
er
s
o
n
al
d
ata,
s
u
ch
as
tr
an
s
ac
tio
n
h
is
to
r
y
.
T
h
is
s
er
v
es
as
th
e
p
r
im
ar
y
g
ate
w
a
y
f
o
r
p
r
ev
en
t
in
g
u
n
a
u
t
h
o
r
ized
ac
co
u
n
t a
cc
ess
.
−
Secu
r
e
p
a
y
m
e
n
t
p
r
o
ce
s
s
i
n
g
:
f
i
n
an
cia
l
tr
an
s
ac
t
io
n
s
ar
e
s
ec
u
r
ed
w
ith
a
d
y
n
a
m
ic,
o
n
e
-
ti
m
e
-
o
n
l
y
Q
R
co
d
e
p
er
p
ay
m
e
n
t
(
Fig
u
r
e
7
(
b
)
)
.
T
h
is
is
a
n
atu
r
all
y
s
ec
u
r
e
m
ec
h
an
i
s
m
t
h
at
d
o
es
n
o
t
in
v
o
lv
e
s
to
r
in
g
o
r
tr
an
s
m
itti
n
g
v
u
ln
er
ab
le
cr
ed
i
t
ca
r
d
in
f
o
r
m
atio
n
o
n
th
e
d
ev
ice
it
s
el
f
,
t
h
er
eb
y
r
ed
u
ci
n
g
t
h
e
r
is
k
o
f
b
r
ea
ch
es
o
r
p
h
y
s
ical
ca
r
d
s
k
i
m
m
i
n
g
.
T
h
e
tr
an
s
ac
tio
n
i
s
p
r
o
ce
s
s
ed
b
y
a
s
e
c
u
r
e,
ex
t
er
n
al
p
a
y
m
en
t
p
r
o
ce
s
s
o
r
,
in
lin
e
w
it
h
cu
r
r
en
t
-
d
a
y
e
-
co
m
m
er
ce
s
ec
u
r
it
y
p
r
a
ctice
s
.
−
Data
p
r
o
tectio
n
:
s
en
s
iti
v
e
u
s
er
in
f
o
r
m
a
tio
n
,
i
n
p
ar
ticu
lar
,
tr
an
s
ac
tio
n
h
i
s
to
r
y
,
is
all
e
n
c
r
y
p
ted
b
ef
o
r
e
b
ein
g
w
r
itte
n
to
th
e
lo
ca
l
SQ
L
ite
d
atab
ase.
T
h
e
s
o
f
t
w
ar
e
au
to
m
at
icall
y
d
elete
s
an
y
te
m
p
o
r
ar
y
p
a
y
m
en
t
in
f
o
r
m
atio
n
f
o
llo
w
i
n
g
a
s
u
cc
e
s
s
f
u
l
tr
an
s
ac
t
io
n
s
o
t
h
at
n
o
s
en
s
iti
v
e
in
f
o
r
m
at
io
n
is
m
ai
n
tai
n
e
d
lo
n
g
er
th
a
n
n
ec
es
s
ar
y
.
−
T
ag
p
r
iv
ac
y
:
t
o
s
af
e
g
u
ar
d
s
h
o
p
p
er
p
r
iv
ac
y
,
t
h
e
s
y
s
te
m
i
s
co
n
f
i
g
u
r
ed
to
r
ea
d
n
o
n
-
p
er
s
o
n
al
elec
tr
o
n
ic
p
r
o
d
u
ct
co
d
es
(
E
P
C
s
)
o
f
p
r
o
d
u
cts
o
n
l
y
.
No
p
er
s
o
n
all
y
id
en
t
if
iab
le
o
r
p
er
s
o
n
al
in
f
o
r
m
atio
n
r
esid
es
o
r
is
tr
an
s
m
itted
b
y
t
h
e
R
FID
ta
g
s
.
T
h
is
d
esig
n
f
ea
tu
r
e
is
co
n
s
i
s
ten
t
w
i
th
p
r
iv
ac
y
-
p
r
eser
v
i
n
g
ten
d
en
cies
i
n
I
o
T
s
y
s
te
m
s
a
n
d
co
m
p
lies
w
it
h
th
e
co
n
ce
r
n
s
s
u
r
r
o
u
n
d
in
g
R
FID
tech
n
o
lo
g
y
[
3
1
]
.
T
h
ese
to
g
eth
er
f
o
r
m
a
n
en
d
-
to
-
en
d
s
ec
u
r
i
t
y
ar
ch
i
tectu
r
e
t
h
at
n
o
t
o
n
l
y
s
ec
u
r
es
u
s
er
in
f
o
r
m
atio
n
,
b
u
t
p
ay
m
e
n
t
tr
an
s
ac
tio
n
s
to
o
,
ad
d
r
ess
in
g
th
e
m
o
s
t
s
al
ien
t
s
ec
u
r
it
y
co
n
ce
r
n
s
ev
id
e
n
t
in
p
r
ev
aili
n
g
I
o
T
r
etail
i
m
p
le
m
en
ta
tio
n
s
[
3
2
]
.
Evaluation Warning : The document was created with Spire.PDF for Python.
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(
Ha
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ki
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193
(
a)
(
b
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Fig
u
r
e
7
.
SEL
L
A
s
ec
u
r
it
y
i
n
te
r
f
ac
e
c
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p
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:
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a)
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d
(
b
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a
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ased
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ac
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a
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ated
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b
o
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a
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e
n
t.
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o
m
p
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e
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te
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d
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o
n
s
tr
ated
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i
g
h
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etec
tio
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r
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9
8
.
2
%),
lo
w
UI
la
ten
c
y
(
<5
0
0
m
s
)
,
an
d
ef
f
icie
n
t
r
eso
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s
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g
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d
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t
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e
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e
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o
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itect
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r
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r
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t
u
r
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ig
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r
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n
s
to
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iti
g
ate
i
n
ter
f
e
r
en
ce
,
in
te
g
r
atio
n
w
it
h
r
etailer
in
v
en
to
r
y
s
y
s
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m
s
,
an
d
lar
g
e
-
s
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d
ep
lo
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en
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i
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ass
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s
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lab
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o
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ir
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ail
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o
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y
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T
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ize
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ip
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er
est.
DATA AV
AI
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AB
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Y
Data
av
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.
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