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C
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r
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lib
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.
ac
.
id
1.
I
NT
RO
D
UCT
I
O
N
E
d
u
ca
tio
n
al
in
s
titu
tio
n
s
ar
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cu
r
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en
tly
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d
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a
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t
d
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tr
an
s
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ased
ch
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p
lay
in
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a
p
iv
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o
le
in
en
h
an
cin
g
in
f
o
r
m
atio
n
m
an
ag
em
en
t
ef
f
icien
cy
[
1
]
–
[
3
]
.
T
h
e
ev
o
l
u
tio
n
o
f
th
ese
s
y
s
tem
s
h
as
p
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f
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ased
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ts
ca
p
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f
co
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tex
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n
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tan
d
in
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v
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at
u
r
al
lan
g
u
ag
e
p
r
o
ce
s
s
in
g
(
NL
P)
[
4
]
–
[
6
]
.
Mo
d
er
n
im
p
lem
e
n
tatio
n
s
in
cr
ea
s
in
g
ly
lev
er
ag
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s
y
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tic
tech
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lo
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in
clu
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g
o
p
tical
ch
ar
ac
ter
r
ec
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OC
R
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f
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im
ag
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ata
ex
tr
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W
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Sp
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API
s
f
o
r
n
atu
r
al
v
o
ice
in
ter
ac
tiv
ity
[
6
]
–
[
8
]
C
r
ea
tin
g
v
ast
o
p
p
o
r
tu
n
iti
es
f
o
r
d
y
n
am
ic
an
d
ac
ce
s
s
ib
le
ac
ad
em
ic
to
o
ls
.
Desp
ite
th
e
ex
p
a
n
s
io
n
o
f
ch
atb
o
t
r
esear
ch
in
ac
ad
em
ic
c
o
n
t
ex
ts
,
ef
f
o
r
ts
r
em
ain
f
r
ag
m
e
n
te
d
.
E
x
is
tin
g
s
tu
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ies
o
f
ten
f
o
cu
s
o
n
is
o
lated
task
s
,
s
u
ch
as
s
u
p
p
o
r
tin
g
s
elf
-
r
eg
u
lated
lear
n
in
g
[
9
]
,
ad
d
r
ess
in
g
ad
m
in
is
tr
ativ
e
FAQs
[
1
0
]
,
[
1
1
]
,
o
r
ass
is
tin
g
v
is
u
ally
im
p
air
ed
u
s
er
s
th
r
o
u
g
h
d
is
cr
ete
OC
R
in
teg
r
ati
o
n
[
1
2
]
.
W
h
ile
th
e
co
n
ce
p
t
o
f
“
d
o
cu
m
en
t
c
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v
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r
s
atio
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s
”
allo
ws
in
ter
ac
tio
n
with
co
n
ten
t
[
1
3
]
,
m
o
s
t
s
y
s
tem
s
ar
e
co
n
f
in
ed
t
o
d
ig
ital
tex
t
p
r
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s
s
in
g
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d
lack
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b
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s
t
v
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m
m
an
d
ca
p
a
b
ilit
ies.
C
o
n
s
eq
u
en
tly
,
a
clea
r
r
esear
ch
g
ap
ex
is
ts
f
o
r
a
n
in
teg
r
ated
p
latf
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m
ca
p
ab
le
o
f
:
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)
p
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s
s
in
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d
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s
e
p
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s
ical
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d
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f
o
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in
clu
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h
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itin
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)
p
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s
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less
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ltimo
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-
tex
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in
ter
ac
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,
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iii
)
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f
f
e
r
in
g
in
tellig
en
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a
n
aly
s
is
s
u
ch
as
s
u
m
m
ar
izatio
n
with
in
a
s
in
g
le
c
o
h
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s
y
s
tem
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T
h
is
s
tu
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y
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d
r
ess
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th
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g
ap
b
y
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B
atam
Evaluation Warning : The document was created with Spire.PDF for Python.
I
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&
C
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p
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I
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N:
2088
-
8
7
0
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Dev
elo
p
men
t o
f B
A
P
OLAI
C
:
A
I
ch
a
tb
o
t fo
r
o
p
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l c
h
a
r
a
ct
er reco
g
n
itio
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b
a
s
ed
…
(
R
ya
n
S
a
tr
ia
Wij
a
ya
)
1003
Po
ly
tech
n
ic
AI
C
h
atb
o
t
o
r
B
APOL
AI
C
,
a
v
er
s
atile
web
-
b
ased
ass
is
tan
t.
T
h
e
p
r
im
ar
y
c
o
n
tr
ib
u
tio
n
o
f
t
h
is
r
esear
ch
is
a
n
o
v
el
s
y
s
tem
ar
c
h
itectu
r
e
th
at
s
ea
m
less
ly
o
r
ch
estra
tes
T
es
s
er
ac
t
OC
R
[
1
4
]
,
NL
P,
W
eb
Sp
ee
ch
API
,
an
d
th
e
Gem
in
i
API
to
d
ev
elo
p
a
co
m
p
r
eh
en
s
iv
e
A
I
ass
is
tan
t
[
1
5
]
.
Un
lik
e
co
n
v
en
tio
n
al
ch
atb
o
ts
,
B
APOL
AI
C
f
u
n
ctio
n
s
as
a
c
en
tr
al
p
r
o
ce
s
s
in
g
b
r
ain
t
h
at
ex
tr
ac
ts
in
f
o
r
m
atio
n
f
r
o
m
p
r
in
ted
d
o
cu
m
e
n
ts
an
d
im
ag
es,
en
s
u
r
in
g
ac
ce
s
s
ib
ilit
y
an
d
ac
cu
r
ate
r
esp
o
n
s
iv
en
es
s
.
T
h
is
p
ap
er
d
etails
th
e
s
y
s
tem
'
s
d
ev
elo
p
m
en
t
m
eth
o
d
o
l
o
g
y
an
d
q
u
a
n
titativ
e
ev
alu
atio
n
,
o
f
f
er
in
g
a
f
r
am
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o
r
k
f
o
r
f
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tu
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e
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o
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m
en
t m
an
a
g
em
en
t so
lu
tio
n
s
in
ed
u
ca
tio
n
.
2.
M
E
T
H
O
D
T
h
is
s
tu
d
y
ap
p
lied
a
d
esig
n
an
d
cr
ea
tio
n
m
eth
o
d
o
lo
g
y
to
th
e
s
y
s
tem
atic
d
ev
elo
p
m
en
t
an
d
q
u
an
titativ
e
ev
alu
atio
n
o
f
th
e
B
APOL
AI
C
s
y
s
tem
[
1
6
]
,
[
1
7
]
.
T
o
en
s
u
r
e
a
s
tr
u
ct
u
r
ed
an
d
r
ig
o
r
o
u
s
ap
p
r
o
a
ch
,
th
e
r
esear
ch
p
r
o
ce
s
s
was
ex
e
cu
ted
in
f
o
u
r
s
eq
u
en
tial
p
h
ases
.
I
t
co
m
m
en
ce
d
with
r
e
q
u
ir
em
en
t
p
lan
n
in
g
an
d
liter
atu
r
e
r
ev
iew
,
wh
er
e
th
e
r
e
s
ea
r
ch
g
ap
an
d
s
y
s
tem
f
u
n
ctio
n
s
wer
e
d
e
f
in
ed
,
f
o
ll
o
wed
b
y
s
y
s
tem
d
esig
n
an
d
ar
ch
itectu
r
e,
co
v
er
in
g
b
o
t
h
th
e
h
ig
h
-
lev
el
an
d
c
o
m
p
o
n
en
t
-
l
ev
el
d
esig
n
o
f
th
e
p
latf
o
r
m
.
T
h
e
th
ir
d
p
h
ase
is
im
p
lem
en
tatio
n
a
n
d
m
o
d
u
lar
d
ev
elo
p
m
e
n
t,
co
n
s
titu
ted
th
e
co
r
e
d
e
v
elo
p
m
e
n
t
s
tag
e
o
f
th
e
p
r
o
to
t
y
p
e.
Fin
ally
,
th
e
p
r
o
c
ess
co
n
clu
d
e
d
with
test
in
g
an
d
q
u
an
titativ
e
e
v
alu
atio
n
,
wh
e
r
e
ea
ch
m
o
d
u
le'
s
p
er
f
o
r
m
an
ce
was
q
u
an
titativ
ely
ass
ess
ed
ag
ain
s
t
p
r
ed
ef
in
e
d
m
etr
ics.
T
h
e
s
u
b
s
eq
u
en
t
s
ec
tio
n
s
d
e
tail
th
e
tech
n
ical
im
p
lem
en
tatio
n
o
f
th
e
p
latf
o
r
m
.
2
.
1
.
Sy
s
t
e
m
a
rc
hite
ct
ure
T
h
e
f
o
u
n
d
atio
n
o
f
B
APOL
AI
C
is
a
m
o
d
u
lar
th
r
ee
-
tier
clien
t
-
s
er
v
er
ar
ch
itectu
r
e
th
at
s
tr
ictly
s
ep
ar
ates
th
e
p
r
esen
tatio
n
lay
er
,
ap
p
licatio
n
l
o
g
ic,
an
d
e
x
ter
n
al
s
er
v
ices
to
f
ac
ilit
ate
s
ca
lab
ilit
y
[
1
8
]
.
As
illu
s
tr
ated
in
Fig
u
r
e
1
,
t
h
e
o
p
e
r
atio
n
al
f
lo
w
b
eg
in
s
o
n
th
e
cli
en
t
f
r
o
n
ten
d
,
d
ev
el
o
p
ed
u
s
in
g
HT
ML
,
C
SS
,
an
d
J
av
aScr
ip
t,
wh
ich
s
er
v
es
as
th
e
p
r
im
a
r
y
in
ter
f
ac
e
f
o
r
u
s
e
r
in
ter
ac
tio
n
.
C
r
u
cially
,
to
s
u
p
p
o
r
t
m
u
ltimo
d
al
f
u
n
ctio
n
ality
,
th
e
f
r
o
n
ten
d
u
t
ilizes
th
e
b
r
o
wser
'
s
n
ativ
e
W
eb
Sp
ee
ch
API
to
ca
p
tu
r
e
an
d
tr
an
s
cr
ib
e
v
o
ice
co
m
m
an
d
s
o
n
th
e
clien
t
-
s
id
e
b
ef
o
r
e
tr
an
s
m
is
s
io
n
,
th
er
eb
y
r
ed
u
cin
g
s
er
v
er
laten
c
y
.
T
h
e
i
n
p
u
ts
ar
e
r
o
u
ted
to
th
e
b
ac
k
e
n
d
s
er
v
er
[
1
9
]
.
p
o
w
er
ed
b
y
a
Py
th
o
n
Flas
k
m
icr
o
-
f
r
am
ewo
r
k
,
wh
ic
h
o
r
ch
estra
t
es
th
e
co
r
e
b
u
s
in
ess
lo
g
ic.
Dep
en
d
in
g
o
n
th
e
i
n
p
u
t
ty
p
e,
th
e
Flas
k
ap
p
licatio
n
d
i
r
ec
ts
d
ata
to
s
p
ec
if
ic
in
ter
n
al
m
o
d
u
les:
th
e
OC
R
m
o
d
u
le
(
T
ess
er
ac
t
an
d
Op
en
C
V)
f
o
r
d
o
c
u
m
en
t
d
ig
itizatio
n
,
th
e
NL
P
m
o
d
u
le
f
o
r
in
ten
t
a
n
aly
s
is
,
o
r
th
e
v
o
ice
m
o
d
u
le
f
o
r
g
e
n
er
atin
g
a
u
d
io
r
esp
o
n
s
es.
Fo
r
co
m
p
le
x
co
g
n
itiv
e
task
s
,
th
e
b
ac
k
en
d
ac
ts
as
an
API
lay
er
,
f
o
r
m
attin
g
p
r
e
-
p
r
o
ce
s
s
ed
d
ata
in
to
s
tr
u
ctu
r
ed
p
r
o
m
p
ts
an
d
tr
an
s
m
itti
n
g
th
em
v
ia
s
ec
u
r
e
HT
T
PS
r
eq
u
ests
to
th
e
ex
ter
n
al
Gem
in
i
API
[
2
0
]
.
Up
o
n
r
ec
ei
v
in
g
th
e
g
en
er
ati
v
e
r
esp
o
n
s
e,
th
e
b
ac
k
e
n
d
p
r
o
ce
s
s
es
th
e
tex
t
an
d
,
if
r
eq
u
ir
ed
,
u
tili
ze
s
th
e
g
o
o
g
le
tex
t
-
to
-
s
p
ee
c
h
(
g
T
T
S)
lib
r
a
r
y
to
s
y
n
th
esize
au
d
io
,
d
eliv
er
in
g
a
c
o
m
p
lete
m
u
ltimo
d
al
r
esp
o
n
s
e
b
ac
k
to
th
e
u
s
er
.
Fig
u
r
e
1
.
B
APOL
AI
C
s
y
s
tem
ar
ch
itectu
r
e
d
iag
r
am
2
.
2
.
I
m
ple
m
ent
a
t
io
n o
f
co
re
t
ec
hn
o
lo
g
ies
T
h
e
s
y
s
tem
im
p
lem
en
tatio
n
in
teg
r
ates
f
o
u
r
cr
itical
m
o
d
u
les
to
en
ab
le
s
ea
m
less
m
u
ltimo
d
al
in
ter
ac
tio
n
.
First,
th
e
OC
R
m
o
d
u
le
,
f
o
llo
win
g
th
e
p
ip
elin
e
illu
s
tr
ated
in
Fig
u
r
e
2
,
f
u
n
cti
o
n
s
as
th
e
p
r
im
ar
y
d
ata
in
g
esti
o
n
p
o
i
n
t
f
o
r
d
ig
itizin
g
tex
t
f
r
o
m
d
iv
er
s
e
f
o
r
m
at
s
,
in
clu
d
in
g
PDFs
an
d
h
an
d
wr
itin
g
.
I
t
u
tili
ze
s
th
e
T
ess
er
ac
t
O
C
R
en
g
in
e
(
v
5
.
4
.
0
)
im
p
lem
en
ted
v
ia
Py
th
o
n
’
s
p
ytess
era
ct
lib
r
ar
y
,
s
elec
ted
f
o
r
its
r
o
b
u
s
t
ac
cu
r
ac
y
o
n
p
r
i
n
ted
tex
t
[
2
1
]
.
T
o
m
ax
i
m
ize
r
ec
o
g
n
itio
n
q
u
ality
,
a
m
an
d
ato
r
y
p
r
e
-
p
r
o
ce
s
s
in
g
p
i
p
elin
e
u
s
in
g
Op
en
C
V
ex
ec
u
tes
g
r
a
y
s
ca
lin
g
,
b
i
n
ar
iz
atio
n
,
n
o
is
e
r
ed
u
ctio
n
,
an
d
d
esk
ewin
g
p
r
io
r
to
e
x
tr
ac
tio
n
[
2
2
]
.
Fo
llo
win
g
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8
7
0
8
I
n
t J E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
1
6
,
No
.
2
,
Ap
r
il
20
2
6
:
1
0
0
2
-
1
0
0
9
1004
in
g
esti
o
n
,
th
e
NL
P
m
o
d
u
le
p
r
o
ce
s
s
es
th
e
tex
t
u
s
in
g
a
d
u
a
l
-
s
tr
ateg
y
ap
p
r
o
ac
h
as
d
e
p
icted
in
Fig
u
r
e
3
.
Fo
r
s
tan
d
ar
d
FAQs
,
a
r
etr
iev
al
-
b
ased
p
ath
em
p
lo
y
s
th
e
co
s
in
e
s
im
ilar
ity
alg
o
r
ith
m
(
1
)
to
m
atch
u
s
er
q
u
er
ies
ag
ain
s
t a
T
F
-
I
DF v
ec
to
r
ized
k
n
o
wled
g
e
b
ase
[
2
3
]
–
[
2
6
]
.
(
,
)
=
(
)
=
.
∥
A
∥
∥
B
∥
=
∑
=
1
√
∑
1
=
1
√
∑
2
=
1
(
1
)
Fo
r
co
m
p
le
x
r
ea
s
o
n
i
n
g
task
s
,
s
u
ch
as
d
o
c
u
m
en
t
s
u
m
m
ar
iz
atio
n
o
r
o
p
e
n
-
en
d
ed
Q&
A,
t
h
e
s
y
s
tem
ac
tiv
ates
a
g
en
e
r
ativ
e
p
ath
p
o
wer
ed
b
y
th
e
Gem
i
n
i
API
[
2
7
]
.
I
n
th
is
wo
r
k
f
lo
w,
th
e
b
a
ck
en
d
d
y
n
am
ically
co
n
s
tr
u
cts
a
s
tr
u
ctu
r
ed
p
r
o
m
p
t
co
n
tain
in
g
th
e
u
s
er
’
s
q
u
e
r
y
an
d
th
e
OC
R
-
ex
tr
ac
ted
co
n
te
x
t
[
2
8
]
,
tr
an
s
m
itti
n
g
it
v
ia
s
ec
u
r
e
HT
T
PS
r
eq
u
ests
to
th
e
Gem
in
i
-
p
r
o
m
o
d
el
f
o
r
d
ee
p
s
em
an
tic
an
aly
s
is
[
2
9
]
,
[
3
0
]
.
Fin
ally
,
t
h
e
v
o
ice
in
ter
ac
tio
n
m
o
d
u
le
m
a
n
ag
es
th
e
a
u
d
io
in
ter
f
ac
e.
I
t
u
tili
ze
s
a
clien
t
-
s
er
v
er
ar
ch
itectu
r
e
wh
er
e
t
h
e
b
r
o
wser
'
s
W
eb
Sp
ee
ch
API
p
er
f
o
r
m
s
r
ea
l
-
tim
e
s
p
ee
ch
-
to
-
t
ex
t
(
STT
)
o
n
th
e
clien
t
s
id
e
to
m
in
im
ize
laten
cy
[
3
1
]
,
wh
ile
th
e
s
er
v
er
-
s
id
e
Py
th
o
n
g
TT
S
(
Go
o
g
le
Text
-
to
-
S
p
ee
ch
)
lib
r
ar
y
co
n
v
er
ts
th
e
A
I
'
s
tex
tu
al
r
esp
o
n
s
e
in
to
s
y
n
th
esized
s
p
ee
ch
f
o
r
p
lay
b
ac
k
[
3
2
]
.
Fig
u
r
e
2
.
OC
R
m
o
d
u
le
p
r
o
ce
s
s
in
g
p
ip
elin
e
Fig
u
r
e
3
.
Flo
wch
ar
t
o
f
th
e
NL
P d
u
al
-
s
tr
ateg
y
ap
p
r
o
ac
h
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J E
lec
&
C
o
m
p
E
n
g
I
SS
N:
2088
-
8
7
0
8
Dev
elo
p
men
t o
f B
A
P
OLAI
C
:
A
I
ch
a
tb
o
t fo
r
o
p
tica
l c
h
a
r
a
ct
er reco
g
n
itio
n
b
a
s
ed
…
(
R
ya
n
S
a
tr
ia
Wij
a
ya
)
1005
3.
RE
SU
L
T
S AN
D
D
I
SCU
SS
I
O
N
T
h
is
ch
ap
ter
p
r
esen
ts
a
c
o
m
p
r
eh
en
s
iv
e
p
er
f
o
r
m
a
n
ce
e
v
alu
atio
n
o
f
t
h
e
B
APOL
AI
C
s
y
s
tem
,
s
tr
u
ctu
r
ed
to
em
p
ir
ically
v
ali
d
ate
ea
ch
o
f
th
e
c
o
r
e
co
n
tr
ib
u
tio
n
s
o
u
tlin
ed
in
t
h
e
in
tr
o
d
u
ctio
n
.
T
h
e
an
al
y
s
is
b
eg
in
s
with
a
q
u
an
titativ
e
ass
ess
m
en
t
o
f
th
e
f
o
u
n
d
ati
o
n
al
m
o
d
u
les,
in
clu
d
i
n
g
th
e
OC
R
ac
cu
r
ac
y
,
th
e
NL
P
m
o
d
u
le'
s
r
eliab
ilit
y
,
an
d
th
e
Gem
in
i A
PI
in
teg
r
atio
n
'
s
p
er
f
o
r
m
an
ce
.
Fo
llo
win
g
th
is
,
a
task
-
b
ased
ev
alu
atio
n
o
f
th
e
s
y
s
tem
'
s
ad
v
an
ce
d
in
telli
g
en
t
an
d
m
u
ltimo
d
al
f
u
n
ctio
n
alities
i
s
p
r
esen
ted
to
d
em
o
n
s
tr
ate
its
p
r
ac
tical
ca
p
ab
ilit
ies.
T
h
e
ch
ap
ter
th
en
co
n
tex
tu
alize
s
th
ese
f
in
d
in
g
s
th
r
o
u
g
h
a
co
m
p
ar
ativ
e
a
n
aly
s
is
ag
ain
s
t
an
in
d
u
s
tr
y
b
e
n
ch
m
ar
k
,
an
d
co
n
clu
d
es
with
an
o
v
e
r
all
d
is
cu
s
s
io
n
o
f
th
e
r
esu
lts
,
th
e
s
tu
d
y
'
s
l
im
itatio
n
s
,
an
d
d
ir
ec
tio
n
s
f
o
r
f
u
tu
r
e
wo
r
k
.
3
.
1
.
P
er
f
o
r
m
a
nce
ev
a
lua
t
io
n
o
f
t
he
O
CR
m
o
du
le
T
h
e
OC
R
m
o
d
u
le'
s
ac
cu
r
ac
y
was
q
u
an
tifie
d
b
y
co
m
p
ar
in
g
ex
tr
ac
ted
tex
t
ag
ain
s
t
m
a
n
u
all
y
v
er
i
f
ied
g
r
o
u
n
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Evaluation Warning : The document was created with Spire.PDF for Python.
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NC
E
S
[
1
]
M
.
S
t
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i
d
l
,
V
.
G
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G
.
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[
5
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D
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P
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[
3
5
]
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B
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