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ch
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tech
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lo
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tels
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tech
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co
n
ti
n
u
o
u
s
l
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b
ei
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g
in
tr
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d
u
ce
d
[
1
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.
A
j
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d
icio
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s
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o
tel’
s
p
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f
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[
2
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,
f
o
s
ter
s
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v
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i
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n
o
v
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n
,
a
n
d
in
d
u
ce
co
m
p
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titi
v
e
ad
v
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ta
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[
3
]
.
On
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m
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ta
n
t
asp
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t
o
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y
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d
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[
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.
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to
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[
5
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.
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[
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]
.
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[7
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9
]
.
Fas
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y
as
k
ed
,
q
u
er
ies
a
n
d
ter
m
i
n
o
lo
g
y
ar
e
r
elativ
el
y
p
r
ed
ictab
le
an
d
r
es
p
o
n
s
es
h
a
v
e
b
ee
n
w
r
itte
n
[
2
1
]
.
User
s
ca
n
q
u
ic
k
l
y
s
ca
n
a
s
h
o
r
t
F
A
Q
lis
t,
b
u
t
it
tak
es le
s
s
ti
m
e
f
o
r
a
lo
n
g
F
A
Q
lis
t to
ex
p
lo
r
ed
u
s
i
n
g
v
er
b
al
q
u
er
ies
[
2
1
]
.
As
th
e
ab
s
e
n
ce
o
f
c
h
atb
o
t
f
o
r
h
o
tel
in
d
u
s
tr
y
i
n
I
n
d
o
n
esia,
t
h
e
s
tu
d
y
o
f
A
I
M
L
-
b
ased
ch
atb
o
t
f
o
r
h
o
tel
in
d
u
s
tr
y
u
s
in
g
Naz
ief
-
A
d
r
ian
i
Alg
o
r
it
h
m
w
as
co
n
d
u
cted
.
N
az
ief
-
A
d
r
ian
i
Alg
o
r
it
h
m
i
s
a
s
te
m
m
i
n
g
alg
o
r
it
h
m
u
s
ed
to
eli
m
i
n
ates
th
e
a
f
f
ix
e
s
t
o
th
e
w
o
r
d
s
s
o
t
h
e
y
ca
n
r
ep
r
es
en
t t
h
e
s
a
m
e
m
ea
n
i
n
g
ev
e
n
i
f
t
h
e
y
h
a
v
e
d
if
f
er
en
t
m
o
r
p
h
o
lo
g
ies
[
2
2
-
2
4
]
.
I
t
o
v
er
co
m
es
o
v
er
s
te
m
m
i
n
g
p
r
o
b
lem
b
y
u
s
in
g
b
asic
w
o
r
d
s
d
ictio
n
ar
y
an
d
th
e
u
n
d
er
s
te
m
m
in
g
p
r
o
b
lem
b
y
ad
d
i
n
g
r
u
les.
B
esid
es
th
at,
i
t
ca
n
also
s
te
m
co
m
p
o
u
n
d
w
o
r
d
s
co
r
r
ec
tly
[
2
5
]
.
Go
o
g
le
Flu
tter
w
as
u
s
ed
to
d
ev
elo
p
th
e
m
o
b
ile
ap
p
licatio
n
,
w
h
er
ea
s
P
y
t
h
o
n
w
as
u
s
ed
f
o
r
th
e
b
ac
k
en
d
o
f
th
e
s
y
s
te
m
.
F
u
r
t
h
er
m
o
r
e,
th
e
test
i
n
g
p
h
ase
o
f
t
h
e
c
h
atb
o
t
ap
p
licatio
n
w
a
s
ca
r
r
ied
o
u
t
u
s
i
n
g
t
h
e
tec
h
n
o
lo
g
y
ac
ce
p
tan
ce
m
o
d
el
(
T
A
M)
.
2.
SYST
E
M
DE
SI
G
N
Dev
e
lo
p
in
g
ch
atb
o
t
ap
p
licatio
n
f
o
r
h
o
tel
i
n
d
u
s
tr
y
n
ee
d
s
s
o
m
e
p
h
ase
s
w
h
ich
s
h
o
u
ld
b
e
p
er
f
o
r
m
ed
:
d
esig
n
in
g
a
u
s
er
in
ter
f
ac
e
f
o
r
th
e
f
r
o
n
t
-
en
d
u
s
i
n
g
Go
o
g
le
Flu
t
ter
,
d
ev
elo
p
in
g
t
h
e
b
ac
k
-
en
d
o
f
t
h
e
s
y
s
te
m
u
s
i
n
g
P
y
th
o
n
,
an
d
co
n
s
tr
u
cti
n
g
A
I
M
L
s
tr
u
ct
u
r
e.
Fig
u
r
e
1
s
h
o
w
s
t
h
e
d
esi
g
n
o
f
ch
atb
o
t
s
y
s
te
m
.
T
h
e
s
tr
i
n
g
m
es
s
ag
e
s
e
n
t
b
y
th
e
u
s
er
is
tr
a
n
s
m
itted
to
t
h
e
b
ac
k
-
e
n
d
o
f
th
e
s
y
s
te
m
t
h
r
o
u
g
h
t
h
e
I
n
ter
n
et
an
d
s
o
m
e
tex
t
p
r
e
-
p
r
o
ce
s
s
in
g
s
tep
s
ar
e
p
er
f
o
r
m
ed
.
A
f
ter
w
ar
d
s
,
t
h
e
tex
t
w
i
ll
o
n
l
y
co
n
tai
n
r
o
o
t
w
o
r
d
s
to
b
e
m
atc
h
ed
w
ith
th
e
p
atter
n
i
n
A
I
M
L
s
tr
u
c
tu
r
e.
A
I
M
L
r
es
u
lts
i
n
f
o
r
m
o
f
d
ata
b
ase
q
u
er
y
w
ill b
e
d
eliv
er
ed
t
o
th
e
h
o
tel
d
atab
ase.
R
esp
o
n
s
e
th
e
n
w
i
ll
b
e
s
e
n
t
to
m
o
b
ile
ap
p
licatio
n
i
n
J
SON
f
o
r
m
at.
T
h
e
te
x
t
p
r
e
-
p
r
o
ce
s
s
i
n
g
co
n
s
i
s
ts
o
f
f
o
u
r
s
tep
s
b
elo
w
[
2
4
]
:
1.
C
ase
f
o
ld
in
g
T
h
is
tech
n
iq
u
e
is
u
s
ed
to
co
n
v
er
t th
e
s
tr
i
n
g
m
es
s
ag
e
to
lo
w
er
ca
s
e
letter
s
.
2.
T
o
k
en
izatio
n
T
o
k
en
izatio
n
is
a
p
r
o
ce
s
s
to
co
n
v
er
t t
h
e
s
tr
i
n
g
i
n
to
a
lis
t o
f
w
o
r
d
s
o
r
to
k
en
s
.
3.
Sto
p
w
o
r
d
s
R
e
m
o
v
al
T
h
is
p
r
o
ce
s
s
is
i
m
p
le
m
e
n
ted
f
o
r
eli
m
i
n
ati
n
g
co
m
m
o
n
w
o
r
d
s
w
h
ic
h
ar
e
lik
el
y
to
b
e
m
ea
n
in
g
le
s
s
o
r
in
s
i
g
n
i
f
ican
t
f
o
r
in
f
o
r
m
atio
n
e
x
tr
ac
tio
n
.
T
h
e
r
es
u
lt
o
f
t
h
is
s
t
ep
is
u
n
iq
u
e
w
o
r
d
s
e
t
w
h
ich
i
s
ex
p
ec
ted
to
i
m
p
r
o
v
e
th
e
ac
c
u
r
ac
y
o
f
s
i
m
il
ar
it
y
.
4.
Ste
m
m
i
n
g
Ste
m
m
i
n
g
p
r
o
ce
s
s
ch
an
g
e
s
th
e
co
r
r
esp
o
n
d
en
t
w
o
r
d
s
in
th
e
s
a
m
e
r
o
o
t
w
o
r
d
.
Fo
r
ex
a
m
p
le,
“
men
ju
a
l
”,
“
te
r
ju
a
l
”,
an
d
“
d
iju
a
l
”
co
m
e
f
r
o
m
a
r
o
o
t
w
o
r
d
“
ju
a
l
”.
P
r
ef
i
x
,
in
f
i
x
,
s
u
f
i
x
,
an
d
co
n
f
i
x
o
r
w
o
r
d
r
ep
etitio
n
o
f
ten
co
n
tain
ed
i
n
s
o
m
e
w
o
r
d
s
in
I
n
d
o
n
es
ian
.
T
h
e
k
n
o
w
led
g
e
s
tr
u
ct
u
r
e,
o
b
tain
ed
f
r
o
m
i
n
ter
v
ie
w
i
n
g
s
o
m
e
h
o
tel
s
ta
f
f
f
r
o
m
d
if
f
er
e
n
t
d
iv
is
io
n
s
,
i
s
d
ep
icted
o
n
Fig
u
r
e
2
.
T
h
e
to
p
i
cs c
o
n
s
i
s
ts
o
f
f
o
u
r
m
ai
n
s
u
b
j
e
cts:
1.
Sales
On
t
h
is
s
u
b
j
ec
t,
u
s
er
ca
n
a
s
k
ab
o
u
t
w
ed
d
in
g
p
ac
k
a
g
es
a
n
d
v
en
d
o
r
s
,
m
ee
tin
g
r
o
o
m
w
it
h
s
ev
er
al
t
y
p
es
o
f
s
ea
ts
,
an
d
a
r
eser
v
at
io
n
w
it
h
m
o
r
e
t
h
a
n
1
0
r
o
o
m
s
.
2.
Fro
n
t o
f
f
ice
T
h
is
ar
ea
co
m
p
r
is
e
s
h
o
tel
f
a
cilities
,
r
o
o
m
,
an
d
tr
a
n
s
p
o
r
tatio
n
.
S
w
i
m
m
i
n
g
p
o
o
l,
p
ar
k
in
g
ar
ea
,
h
ea
lt
h
clu
b
,
an
d
la
u
n
d
r
y
ar
e
s
o
m
e
to
p
ics
w
h
ich
u
s
er
s
ca
n
as
k
ab
o
u
t
f
ac
ilit
ies,
w
h
ile
h
o
tel
r
o
o
m
s
h
a
v
e
s
ev
er
al
p
r
o
p
er
ties
:
ea
r
ly
ch
ec
k
-
i
n
,
la
te
ch
ec
k
-
o
u
t,
co
n
n
ec
tin
g
r
o
o
m
s
,
s
m
o
k
i
n
g
r
o
o
m
s
,
u
p
-
s
ell
i
n
g
,
an
d
r
o
o
m
u
p
g
r
ad
e.
T
r
an
s
p
o
r
tatio
n
f
r
o
m
an
d
to
th
e
air
p
o
r
t is a
to
p
ic
w
h
ich
u
s
er
ca
n
also
as
k
.
3.
R
eser
v
a
tio
n
T
h
is
s
u
b
j
ec
t
co
n
s
is
t
s
o
f
q
u
esti
o
n
s
ab
o
u
t
r
o
o
m
a
v
ailab
i
lit
y
c
h
ec
k
,
p
a
y
m
en
t
m
eth
o
d
s
,
an
d
r
o
o
m
ca
n
ce
llatio
n
.
4.
Fo
o
d
&
B
ev
er
ag
es
Qu
est
io
n
s
ab
o
u
t b
r
ea
k
f
as
t a
n
d
r
estau
r
an
t c
a
n
b
e
ask
ed
b
y
t
h
e
u
s
er
o
n
t
h
is
s
u
b
j
ec
t.
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KOM
NI
K
A
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l
C
o
n
tr
o
l
B
ers
h
ca
:
b
r
in
g
in
g
c
h
a
tb
o
t in
t
o
h
o
tel
in
d
u
s
tr
y
in
I
n
d
o
n
esia
(
Den
n
is
Gu
n
a
w
a
n
)
841
Fig
u
r
e
1
.
Desig
n
o
f
c
h
atb
o
t s
y
s
te
m
Fig
u
r
e
2
.
Kn
o
w
led
g
e
s
tr
u
ct
u
r
e
3.
I
M
P
L
E
M
E
NT
AT
I
O
N
B
er
s
h
ca
is
d
ev
elo
p
ed
b
y
u
s
i
n
g
Go
o
g
le
Fl
u
tter
a
s
t
h
e
f
r
o
n
t
-
en
d
ap
p
licatio
n
,
w
h
ile
th
e
b
ac
k
-
e
n
d
an
d
th
e
k
n
o
w
led
g
e
b
ase
ar
e
cr
ea
ted
b
y
u
s
i
n
g
P
y
t
h
o
n
a
n
d
th
e
A
r
ti
f
icial
I
n
t
e
llig
e
n
ce
Ma
r
k
u
p
L
a
n
g
u
a
g
e
(
A
I
M
L
)
.
S
h
o
r
tl
y
a
f
ter
u
s
er
s
la
u
n
c
h
th
e
ap
p
licat
io
n
,
B
er
s
h
ca
l
o
g
o
i
n
th
e
s
p
l
ash
s
cr
ee
n
w
ill
b
e
d
is
p
la
y
ed
as
in
Fig
u
r
e
3
(
a)
.
L
ater
,
B
er
s
ch
a
w
il
l
f
ir
s
t
d
o
th
e
g
r
ee
tin
g
b
y
let
tin
g
t
h
e
u
s
er
as
k
f
o
r
th
e
n
ec
es
s
ar
y
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
1
6
9
3
-
6930
T
E
L
KOM
NI
K
A
T
elec
o
m
m
u
n
C
o
m
p
u
t E
l
C
o
n
tr
o
l
,
Vo
l.
18
,
No
.
2
,
A
p
r
il
2
0
2
0
:
8
3
9
-
8
4
5
842
in
f
o
r
m
atio
n
as
d
ep
icted
in
Fig
u
r
e
3
(
c)
.
Su
g
g
est
io
n
s
ar
e
p
r
o
v
id
ed
to
g
u
id
e
u
s
er
s
i
n
ask
in
g
q
u
est
io
n
s
.
T
h
e
d
e
s
cr
ip
tio
n
ab
o
u
t th
e
d
ev
elo
p
m
e
n
t o
f
t
h
e
c
h
atb
o
t is s
h
o
w
n
i
n
Fi
g
u
r
e
3
(
b
)
.
As
e
x
p
lain
ed
in
t
h
e
p
r
ev
io
u
s
s
ec
tio
n
,
u
s
er
s
ca
n
g
i
v
e
s
o
m
e
q
u
esti
o
n
s
r
elate
d
to
f
o
u
r
m
ai
n
s
u
b
j
ec
ts
.
So
m
e
q
u
es
tio
n
s
w
h
ic
h
ca
n
b
e
ask
ed
ab
o
u
t
h
o
tel
s
h
u
ttle
s
to
an
d
f
r
o
m
air
p
o
r
t
ar
e
r
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T
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
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tri
c
k
L
.
,
Ro
b
L
.
,
“
I
m
p
a
c
t
o
f
c
u
lt
u
ra
l
v
a
lu
e
s
o
n
tec
h
n
o
l
o
g
y
a
c
c
e
p
tan
c
e
a
n
d
tec
h
n
o
lo
g
y
re
a
d
in
e
ss
,”
In
ter
n
a
t
io
n
a
l
J
o
u
rn
a
l
o
f
H
o
sp
it
a
li
ty M
a
n
a
g
e
me
n
t
,
v
o
l.
77
,
p
p
.
89
–
96
,
Ja
n
2
0
1
9
.
[2
]
Hu
a
N
.
,
M
o
r
o
sa
n
C
.
,
De
F
ra
n
c
o
A
.
,
“
T
h
e
o
th
e
r
sid
e
o
f
tec
h
n
o
lo
g
y
a
d
o
p
ti
o
n
:
Ex
a
m
in
in
g
th
e
re
lati
o
n
sh
i
p
s
b
e
tw
e
e
n
e
-
c
o
m
m
e
rc
e
e
x
p
e
n
se
s
a
n
d
h
o
te
l
p
e
rf
o
rm
a
n
c
e
,”
In
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
Ho
s
p
it
a
li
ty
M
a
n
a
g
e
me
n
t
,
v
o
l.
45
,
p
p
.
1
0
9
–
1
20
,
F
e
b
2
0
1
5
.
[3
]
Bil
g
ih
a
n
A
.
,
S
m
it
h
S
.
,
Ricc
i
P
.
,
B
u
ji
sic
M
.
,
“
Ho
tel
g
u
e
st
p
re
f
e
re
n
c
e
s
o
f
in
-
ro
o
m
te
c
h
n
o
lo
g
y
a
m
e
n
it
ies
,”
J
o
u
rn
a
l
o
f
Ho
sp
it
a
li
ty a
n
d
T
o
u
rism
T
e
c
h
n
o
l
o
g
y
,
v
o
l
.
7
,
n
o
.
2
,
p
p
.
1
1
8
–
1
34
,
2
0
1
6
.
[4
]
S
a
n
g
ro
y
a
A
.
,
S
a
in
i
P
.
,
A
n
a
n
tara
m
C.
,
“
Ch
a
tb
o
t
a
s
a
n
In
term
e
d
iary
b
e
t
w
e
e
n
a
Cu
sto
m
e
r
a
n
d
th
e
Cu
sto
m
e
r
Ca
re
Eco
sy
st
em
,”
M
EDES
'
1
7
:
Pro
c
e
e
d
in
g
s
o
f
th
e
9
th
I
n
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
M
a
n
a
g
e
me
n
t
o
f
Di
g
it
a
l
Eco
S
y
ste
ms
,
p
p
.
1
2
8
–
1
33
,
2
0
1
7
.
[
On
l
in
e
]
.
A
v
a
il
a
b
le:
h
t
tp
:/
/d
l
.
a
c
m
.
o
rg
/citatio
n
.
c
fm
?
d
o
id
=
3
1
6
7
0
2
0
.
3
1
6
7
0
4
0
[5
]
Ra
n
o
li
y
a
B
.
R
.
,
Ra
g
h
u
w
a
n
sh
i
N
.
,
S
in
g
h
S
.
,
“
Ch
a
tb
o
t
f
o
r
u
n
iv
e
rsity
re
late
d
F
A
Qs
,”
2
0
1
7
In
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
A
d
v
a
n
c
e
s
in
C
o
mp
u
ti
n
g
,
C
o
mm
u
n
ic
a
ti
o
n
s
a
n
d
I
n
fo
rm
a
ti
c
s
(
ICACCI
),
p
p
.
1
5
2
5
–
15
30
,
2
0
1
7
.
[
On
li
n
e
]
,
Av
a
il
a
b
le:
h
tt
p
:/
/i
e
e
e
x
p
lo
re
.
iee
e
.
o
rg
/d
o
c
u
m
e
n
t/
8
1
2
6
0
5
7
/
[6
]
M
u
a
n
g
k
a
m
m
u
e
n
P
.
,
In
ti
ru
k
N
.
,
S
a
ik
a
e
w
K
.
R
.
,
“
A
u
to
m
a
ted
T
h
a
i
-
F
A
Q
Ch
a
tb
o
t
u
sin
g
RNN
-
L
S
TM
,”
2
0
1
8
2
2
nd
In
ter
n
a
t
io
n
a
l
Co
m
p
u
ter
S
c
ien
c
e
a
n
d
E
n
g
i
n
e
e
rin
g
C
o
n
fer
e
n
c
e
(ICS
EC)
,
p
p
.
1
–
4
,
2
0
1
8
.
[
O
n
li
n
e
]
,
A
v
a
il
a
b
le:
h
tt
p
s:/
/i
e
e
e
x
p
lo
re
.
iee
e
.
o
rg
/d
o
c
u
m
e
n
t/
8
7
1
2
7
8
1
/
[7
]
W
u
Y
.
,
L
i
Z
.
,
W
u
W
.
,
Zh
o
u
M
.,
“
Re
sp
o
n
se
se
lec
ti
o
n
w
i
th
to
p
ic
c
lu
e
s
f
o
r
re
tri
e
v
a
l
-
b
a
se
d
c
h
a
tb
o
ts
,”
Ne
u
ro
c
o
mp
u
ti
n
g
,
v
o
l
.
3
1
6
,
p
p
.
2
5
1
–
2
61
,
No
v
2
0
1
8
.
[8
]
Zu
m
ste
in
D
.
,
Hu
n
d
e
rtm
a
rk
S
.
,
“
Ch
a
tb
o
ts
–
A
n
In
tera
c
ti
v
e
Tec
h
n
o
l
o
g
y
f
o
r
P
e
rso
n
a
li
z
e
d
C
o
m
m
u
n
ica
ti
o
n
,
T
ra
n
sa
c
ti
o
n
s
a
n
d
S
e
rv
ice
s
,”
IADIS
In
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
n
W
W
W
/In
ter
n
e
t
,
v
o
l
.
15
,
n
o
.
1
,
p
p
.
9
6
-
1
0
9
,
2
0
1
8
.
[9
]
T
e
c
k
c
h
a
n
d
a
n
i
N
.
,
S
a
n
to
k
h
e
e
A
.
,
Be
k
a
ro
o
G
.
,
“
A
IM
L
a
n
d
S
e
q
u
e
n
c
e
-
to
-
S
e
q
u
e
n
c
e
M
o
d
e
ls
t
o
Bu
il
d
A
rti
f
icia
l
In
telli
g
e
n
c
e
Ch
a
tb
o
ts:
In
sig
h
ts
f
ro
m
a
Co
m
p
a
ra
ti
v
e
A
n
a
l
y
sis
,”
i
n
:
F
lem
in
g
P
,
L
a
c
q
u
e
t
BM
,
S
a
n
e
i
S
,
De
b
K
,
Ja
k
o
b
ss
o
n
A
,
e
d
it
o
rs.
S
ma
rt a
n
d
S
u
sta
in
a
b
le E
n
g
in
e
e
rin
g
f
o
r
Ne
x
t
Ge
n
e
ra
ti
o
n
A
p
p
li
c
a
ti
o
n
s.
S
p
rin
g
e
r
In
ter
n
a
ti
o
n
a
l
Pu
b
li
s
h
in
g
,
p
p
.
3
2
3
–
3
33
,
2
0
1
9
.
[1
0
]
Ra
h
m
a
n
A
.
M
.
,
M
a
m
u
n
A
.
A
.
,
I
sla
m
A
.
,
“
P
ro
g
ra
m
m
in
g
c
h
a
ll
e
n
g
e
s
o
f
c
h
a
tb
o
t:
Cu
rre
n
t
a
n
d
f
u
tu
re
p
ro
sp
e
c
ti
v
e
,”
2
0
1
7
IEE
E
Reg
i
o
n
1
0
Hu
ma
n
it
a
ria
n
T
e
c
h
n
o
lo
g
y
Co
n
fer
e
n
c
e
(
R1
0
-
HTC)
,
Dh
a
k
a
,
Ba
n
g
lad
e
sh
,
p
p
.
7
5
–
7
8
,
2
0
1
8
.
[
On
li
n
e
]
.
A
v
a
il
a
b
le:
h
tt
p
:/
/i
e
e
e
x
p
lo
re
.
iee
e
.
o
rg
/d
o
c
u
m
e
n
t/
8
2
8
8
9
1
0
/
[1
1
]
Do
m
a
r
c
o
D
.
,
Isw
a
ri
N
.
M
.
S.
,
“
De
sig
n
a
n
d
Bu
il
d
Ch
a
tb
o
t
A
p
p
li
c
a
t
io
n
s
a
s
A
n
i
m
e
In
f
o
r
m
a
ti
o
n
S
e
a
rc
h
M
e
d
ia
Us
in
g
Re
g
u
lar
Ex
p
re
ss
io
n
P
a
tt
e
rn
M
a
t
c
h
in
g
(in
Ba
h
a
sa
:
Ra
n
c
a
n
g
Ba
n
g
u
n
A
p
li
k
a
si
Ch
a
tb
o
t
S
e
b
a
g
a
i
M
e
d
ia
P
e
n
c
a
rian
In
f
o
rm
a
si
A
n
im
e
M
e
n
g
g
u
n
a
k
a
n
Re
g
u
lar
Ex
p
re
ss
io
n
P
a
tt
e
rn
M
a
tch
in
g
),
”
ULT
IM
AT
IC
S
,
v
o
l
.
IX
,
n
o
.
1
,
p
p
.
19
–
24
,
Ju
n
e
2
0
1
7
.
[1
2
]
S
a
q
ib
G
.
,
F
a
iza
n
K
.
,
G
h
a
tt
e
N.
,
“
In
telli
g
e
n
t
Ch
a
tt
in
g
S
e
rv
ice
Us
in
g
A
IM
L
,”
2
0
1
8
In
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
Cu
rr
e
n
t
T
re
n
d
s
to
w
a
rd
s
C
o
n
v
e
rg
in
g
T
e
c
h
n
o
l
o
g
ies
(
ICCT
CT
)
,
p
p
.
1
–
3
,
2
0
1
8
.
[
O
n
li
n
e
]
.
A
v
a
il
a
b
le:
h
tt
p
s:/
/i
e
e
e
x
p
lo
re
.
iee
e
.
o
rg
/d
o
c
u
m
e
n
t/
8
5
5
0
9
8
9
/
[1
3
]
Rii
k
k
in
e
n
M
.
,
S
a
a
rij
ä
rv
i
H
.
,
S
a
rli
n
P
.
,
L
ä
h
tee
n
m
ä
k
i
I.
,
“
U
sin
g
a
rti
f
icia
l
in
telli
g
e
n
c
e
to
c
re
a
te
v
a
lu
e
in
in
su
ra
n
c
e
,”
In
ter
n
a
t
io
n
a
l
J
o
u
rn
a
l
o
f
B
a
n
k
M
a
rk
e
ti
n
g
,
v
o
l.
36
,
n
o
.
6
,
p
p
.
1
1
4
5
–
11
68
,
3
S
e
p
2
0
1
8
.
[1
4
]
F
o
n
te
F
.
A
.
M
.
,
Nista
l
M
.
L
.
,
R
ial
J
.
C
.
B
.
,
Ro
d
rig
u
e
z
M
.
C.
,
“
NL
A
S
T
:
A
n
a
tu
ra
l
lan
g
u
a
g
e
a
ss
istan
t
f
o
r
stu
d
e
n
ts
,”
2
0
1
6
I
EE
E
Gl
o
b
a
l
E
n
g
in
e
e
rin
g
Ed
u
c
a
ti
o
n
C
o
n
fer
e
n
c
e
(
EDUC
ON)
,
A
b
u
Dh
a
b
i
,
p
p
.
7
0
9
–
7
13
,
2
0
1
6
.
[
On
li
n
e
].
Av
a
il
a
b
le:
h
tt
p
:/
/i
e
e
e
x
p
lo
re
.
iee
e
.
o
rg
/d
o
c
u
m
e
n
t/
7
4
7
4
6
2
8
/
.
A
c
c
e
ss
e
d
:
1
8
Ju
n
2
0
1
9
.
[1
5
]
S
a
tu
M
d
.
S
.
,
P
a
rv
e
z
M
d
.
H
.
,
S
h
a
m
i
m
-
Al
-
M
a
m
u
n
.
,
“
Re
v
iew
o
f
in
teg
ra
ted
a
p
p
li
c
a
ti
o
n
s
w
it
h
A
IM
L
b
a
se
d
c
h
a
tb
o
t
,”
2
0
1
5
In
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
Co
mp
u
ter
a
n
d
In
f
o
rm
a
ti
o
n
En
g
in
e
e
rin
g
(
ICC
IE
)
,
Ra
jsh
a
h
i,
Ba
n
g
lad
e
sh
,
p
p
.
8
7
-
9
0
,
2
0
1
5
.
[
O
n
li
n
e
].
A
v
a
il
a
b
le:
h
t
tp
:/
/i
e
e
e
x
p
lo
re
.
iee
e
.
o
rg
/d
o
c
u
m
e
n
t/
7
3
9
9
3
2
4
/
.
A
c
c
e
s
se
d
:
1
7
J
u
n
2
0
1
9
.
[1
6
]
Do
sh
i
S
.
V
.
,
P
a
w
a
r
S
.
B
.
,
S
h
e
lar
A
.
G
.
,
Ku
lk
a
rn
i
S
.
S.
,
“
A
rti
f
icia
l
In
telli
g
e
n
c
e
Ch
a
tb
o
t
i
n
A
n
d
ro
id
S
y
ste
m
u
sin
g
Op
e
n
S
o
u
rc
e
P
r
o
g
ra
m
-
O
,”
In
te
rn
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
A
d
v
a
n
c
e
d
Res
e
a
rc
h
in
Co
m
p
u
ter
a
n
d
Co
mm
u
n
ica
ti
o
n
En
g
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