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W
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ata
[
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W
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ac
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(
ML
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[
1
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,
[
2
]
.
T
h
is
h
as
tr
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th
e
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esire
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f
m
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th
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ig
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al
d
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c
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m
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t [
2
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,
[
3
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.
ML
is
a
b
r
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ch
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tific
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tellig
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(
AI
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ith
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ased
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ata.
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g
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class
if
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d
s
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izatio
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[
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d
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alu
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[
5
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Su
m
m
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n
th
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f
ield
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atu
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s
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NL
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in
v
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to
Evaluation Warning : The document was created with Spire.PDF for Python.
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I
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J
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&
C
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Sci
,
Vo
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40
,
No
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2
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20
25
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0
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91
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s
u
m
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ar
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ity
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m
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f
r
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th
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m
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[
6
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,
[
7
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.
Su
m
m
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iza
tio
n
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y
to
s
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[
8
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tio
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a
r
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z
a
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o
n
[
9
]
–
[
1
2
]
.
a
n
d
m
u
l
t
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-
d
o
c
u
m
e
n
t
s
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m
m
a
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[
1
3
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–
[
1
5
]
with
an
ex
tr
ac
tiv
e
[
1
6
]
,
[
1
7
]
a
n
d
ab
s
tr
ac
tiv
e
[
1
8
]
,
[
1
9
]
s
u
m
m
ar
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ap
p
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o
ac
h
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Sin
g
le
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t
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ce
[
1
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.
Mu
lti
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m
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a
r
izatio
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is
a
s
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at
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tex
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d
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ak
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in
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s
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m
ar
y
th
at
r
ef
lects th
e
co
n
ten
t
o
f
t
h
e
m
ain
d
o
cu
m
e
n
t
[
1
9
]
,
o
n
e
o
f
wh
ich
is
th
e
q
u
er
y
-
b
ased
s
u
m
m
ar
izatio
n
a
p
p
r
o
ac
h
.
T
h
e
q
u
er
y
-
b
ased
s
u
m
m
ar
izatio
n
a
p
p
r
o
a
ch
ca
n
o
f
ten
tak
e
th
e
f
o
r
m
o
f
a
q
u
er
y
f
o
r
wo
r
d
s
o
r
p
h
r
ases
th
at
r
ef
er
to
a
p
ar
ticu
lar
en
tity
[
2
1
]
.
Sev
er
al
q
u
er
y
-
b
ased
s
u
m
m
ar
izatio
n
m
o
d
els,
n
am
ely
th
e
T
ASA
m
o
d
el
[
2
2
]
,
q
u
esti
o
n
-
d
r
iv
en
s
u
m
m
ar
izatio
n
(
QDS)
[
2
1
]
,
an
d
d
is
cr
im
in
ativ
e
m
ar
g
in
a
lized
p
r
o
b
ab
ilis
tic
m
eth
o
d
(
DAM
E
N)
[
2
3
]
,
h
av
e
n
o
t
s
h
o
wn
s
ig
n
if
ica
n
t
r
e
s
u
lts
.
I
n
th
e
T
ASA
m
o
d
el,
s
e
n
ten
ce
s
ar
e
s
co
r
ed
b
ased
o
n
wo
r
d
s
th
at
h
av
e
h
ig
h
weig
h
ts
to
b
e
u
s
ed
as
s
u
m
m
a
r
y
ca
n
d
id
ates;
th
is
m
o
d
el
is
s
till
lim
ited
to
s
h
o
r
t
s
en
ten
ce
s
an
d
less
r
elev
an
t
to
th
e
to
p
ic
[
2
2
]
.
T
h
e
QDS
m
o
d
el
is
a
s
u
m
m
ar
izatio
n
b
ased
o
n
q
u
esti
o
n
s
;
th
e
an
s
wer
s
to
q
u
esti
o
n
s
ar
e
ca
lled
s
u
m
m
ar
ies.
Ho
wev
er
,
th
is
m
o
d
el
o
n
ly
d
ea
ls
with
q
u
esti
o
n
s
in
ea
ch
s
en
ten
ce
an
d
ig
n
o
r
es
m
u
tu
al
in
f
o
r
m
atio
n
b
etwe
en
s
en
ten
ce
s
an
d
clu
s
ter
s
[
2
1
]
.
T
h
e
DAM
E
N
m
o
d
el
r
e
p
r
esen
ts
a
m
eth
o
d
f
o
r
a
b
s
tr
ac
tiv
e
m
u
lti
-
d
o
c
u
m
en
t
s
u
m
m
ar
izatio
n
th
at
in
v
o
l
v
es
th
e
co
m
b
in
atio
n
o
f
b
ac
k
g
r
o
u
n
d
s
en
ten
ce
s
in
to
clu
s
ter
d
o
cu
m
e
n
ts
.
I
n
t
h
is
DAM
E
N
m
o
d
el,
th
e
in
p
u
t
d
o
cu
m
en
ts
m
u
s
t
b
e
in
t
h
e
f
o
r
m
o
f
clu
s
ter
s
,
an
d
t
h
e
b
ac
k
g
r
o
u
n
d
s
en
ten
ce
s
ar
e
d
eter
m
in
ed
m
an
u
ally
[
2
3
]
.
Alth
o
u
g
h
t
h
e
s
u
m
m
a
r
izatio
n
r
esu
lts
ar
e
b
etter
th
an
e
x
is
tin
g
ab
s
tr
ac
tio
n
s
u
m
m
ar
izatio
n
,
th
is
m
o
d
el
is
s
till
f
ar
f
r
o
m
h
u
m
a
n
-
g
en
e
r
ated
s
u
m
m
ar
ies.
T
h
e
r
esu
lts
o
f
s
en
ten
ce
q
u
e
r
y
-
b
ased
s
u
m
m
ar
izatio
n
s
h
o
w
t
h
at
th
er
e
ar
e
s
till
s
o
m
e
lim
i
tatio
n
s
.
T
h
is
co
n
clu
s
io
n
is
in
lin
e
with
th
e
r
esu
lts
o
f
th
e
r
esear
ch
co
n
d
u
c
ted
b
y
[
2
4
]
,
[
2
5
]
,
wh
ich
s
tates
th
at
th
e
s
en
ten
ce
q
u
er
y
-
b
ased
m
u
lti
-
d
o
cu
m
e
n
t
s
u
m
m
ar
izatio
n
a
p
p
r
o
ac
h
m
o
s
tl
y
f
ails
to
p
r
o
d
u
ce
a
b
etter
s
u
m
m
ar
y
co
m
p
ar
ed
t
o
th
e
k
ey
wo
r
d
q
u
er
y
-
b
ased
a
p
p
r
o
ac
h
.
I
n
a
d
d
itio
n
,
u
s
er
s
ten
d
to
p
r
ef
er
s
ea
r
c
h
in
g
with
k
ey
w
o
r
d
s
r
ath
er
th
an
with
lo
n
g
s
en
ten
ce
s
[
2
5
]
.
T
h
e
r
ef
o
r
e,
in
th
is
s
tu
d
y
,
th
e
DAM
E
N
m
o
d
el
was
m
o
d
if
ied
b
y
ad
d
in
g
a
k
ey
wo
r
d
ex
tr
ac
tio
n
p
r
o
ce
s
s
f
r
o
m
b
ac
k
g
r
o
u
n
d
s
en
ten
ce
s
b
ef
o
r
e
u
s
in
g
th
em
to
r
etr
iev
e
d
o
cu
m
en
ts
.
B
ac
k
g
r
o
u
n
d
s
en
ten
ce
s
ar
e
s
till
u
s
ed
in
t
h
e
s
u
m
m
ar
izatio
n
p
r
o
ce
s
s
,
s
o
th
at
s
u
m
m
ar
y
ca
n
d
id
ates
co
m
e
f
r
o
m
th
e
r
esu
lts
o
f
d
o
cu
m
e
n
t
r
etr
iev
al
an
d
th
e
b
a
ck
g
r
o
u
n
d
s
en
ten
ce
s
th
em
s
elv
es.
T
h
e
s
u
m
m
ar
izatio
n
r
esu
lts
ar
e
th
en
co
m
p
a
r
ed
with
th
e
wo
r
d
q
u
er
y
ap
p
r
o
ac
h
an
d
th
e
b
ac
k
g
r
o
u
n
d
s
en
ten
ce
q
u
er
y
.
I
n
th
e
e
x
is
tin
g
DAM
E
N
q
u
er
y
,
th
e
b
ac
k
g
r
o
u
n
d
s
en
ten
ce
is
u
s
ed
in
th
e
d
is
cr
im
in
ato
r
co
m
p
o
n
e
n
t
to
r
etr
iev
e
th
e
to
p
-
K
m
o
s
t
r
elev
a
n
t
d
o
cu
m
e
n
ts
,
th
en
in
t
h
e
g
en
er
ato
r
co
m
p
o
n
e
n
t,
th
ese
d
o
c
u
m
en
ts
ar
e
p
r
o
ce
s
s
ed
to
g
eth
er
with
th
e
b
ac
k
g
r
o
u
n
d
s
en
ten
ce
s
to
p
r
o
d
u
ce
th
e
f
i
n
al
s
u
m
m
ar
y
ac
co
r
d
i
n
g
to
th
e
ir
clu
s
ter
s
.
I
n
o
u
r
p
r
o
p
o
s
ed
m
o
d
el,
t
h
e
q
u
er
y
u
s
ed
to
r
etr
iev
e
d
o
cu
m
en
ts
in
th
e
d
is
cr
im
in
ato
r
co
m
p
o
n
en
t
d
o
es
n
o
t
u
s
e
s
en
ten
ce
s
,
b
u
t
u
s
es
k
e
y
wo
r
d
s
ex
tr
ac
ted
f
r
o
m
b
ac
k
g
r
o
u
n
d
s
e
n
ten
ce
s
,
with
t
h
e
aim
o
f
d
eter
m
in
in
g
th
e
ef
f
ec
t
o
f
q
u
er
y
u
s
e
o
n
s
u
m
m
ar
izatio
n
r
esu
lts
.
B
ef
o
r
e
r
u
n
n
in
g
th
e
ex
p
er
im
en
tal
p
r
o
ce
s
s
with
a
lo
t
o
f
d
ata,
th
e
au
th
o
r
co
n
d
u
cte
d
a
s
m
all
ex
p
er
im
en
t
to
u
n
d
er
s
tan
d
wh
eth
er
th
e
u
s
e
o
f
k
ey
wo
r
d
q
u
er
y
ca
n
p
o
s
itiv
ely
af
f
ec
t
th
e
m
u
lti
-
d
o
cu
m
e
n
t
s
u
m
m
ar
izatio
n
r
esu
lts
u
s
in
g
DAM
E
N
m
eth
o
d
.
T
h
e
d
ata
u
s
ed
is
a
clu
s
ter
with
a
p
r
o
ce
s
s
ac
co
r
d
in
g
to
th
e
s
tag
es
in
Fig
u
r
e
1
.
T
h
e
ex
is
tin
g
DAM
E
N
u
s
es
b
ac
k
g
r
o
u
n
d
s
en
ten
ce
s
in
th
e
d
is
cr
im
in
atio
n
co
m
p
o
n
en
t,
an
d
th
e
g
en
er
ato
r
p
r
o
d
u
ce
s
a
R
o
u
g
e
-
1
v
alu
e
o
f
2
3
.
5
2
,
R
o
u
g
e
-
2
is
8
.
5
4
,
a
n
d
R
o
u
g
e
-
L
is
1
3
.
4
4
.
Ad
d
in
g
t
h
e
k
e
y
wo
r
d
ex
tr
ac
ti
o
n
p
r
o
ce
s
s
to
DAM
E
N,
w
h
ich
is
p
er
f
o
r
m
e
d
in
th
e
d
is
cr
im
in
ato
r
c
o
m
p
o
n
en
t
,
p
r
o
d
u
ce
s
a
R
o
u
g
e
-
1
v
alu
e
o
f
3
0
.
0
8
,
R
o
u
g
e
-
2
is
7
.
2
1
,
an
d
R
o
u
g
e
-
L
is
1
5
.
9
2
.
An
e
x
a
m
p
le
o
f
a
s
im
p
le
ex
p
er
im
en
tal
p
r
o
ce
d
u
r
e
is
s
h
o
wn
in
Fig
u
r
e
2
.
B
ased
o
n
t
h
e
r
esu
lts
o
b
tain
ed
f
r
o
m
th
e
s
m
all
ex
p
er
im
en
t
in
Fig
u
r
e
2
,
a
g
o
o
d
k
e
y
wo
r
d
q
u
er
y
f
r
o
m
b
ac
k
g
r
o
u
n
d
s
en
ten
c
e
q
u
er
y
ca
n
lead
to
b
etter
s
u
m
m
ar
izatio
n
r
esu
lts
th
at
is
ca
u
s
ed
b
y
a
b
etter
to
p
-
K
d
o
cu
m
en
ts
r
etr
iev
ed
.
T
h
e
r
e
f
o
r
e,
in
th
is
s
tu
d
y
,
we
p
r
o
p
o
s
e
th
e
u
s
e
o
f
k
ey
wo
r
d
ex
tr
ac
tio
n
o
n
DAM
E
N
to
ad
d
th
e
k
e
y
wo
r
d
e
x
tr
ac
tio
n
q
u
e
r
y
p
r
o
ce
s
s
to
th
e
b
ac
k
g
r
o
u
n
d
s
en
ten
ce
b
y
u
s
in
g
lar
g
er
d
ata,
with
t
h
e
h
o
p
e
th
at
th
e
r
esu
lts
o
b
tain
ed
s
h
o
w
c
o
n
s
is
ten
cy
.
2.
RE
S
E
ARCH
M
E
T
H
O
D
T
h
is
s
ec
tio
n
d
is
cu
s
s
es
th
e
im
p
lem
en
tatio
n
o
f
k
ey
w
o
r
d
e
x
tr
ac
tio
n
q
u
er
ies
th
at
c
o
n
v
er
t
b
a
ck
g
r
o
u
n
d
s
en
ten
ce
s
in
to
k
ey
wo
r
d
s
.
T
h
e
p
r
o
ce
s
s
s
tag
e
s
tar
ts
b
y
tak
in
g
MS2
d
ata;
clu
s
ter
s
th
at
h
av
e
b
ac
k
g
r
o
u
n
d
ar
e
p
r
o
ce
s
s
ed
f
o
r
th
e
n
e
x
t
s
tag
e.
Af
ter
th
e
d
ata
co
n
tain
in
g
th
e
b
ac
k
g
r
o
u
n
d
s
en
ten
ce
is
cle
ar
,
th
e
d
o
cu
m
e
n
t
is
p
r
o
ce
s
s
ed
b
y
th
e
in
d
ex
er
,
an
d
th
e
b
ac
k
g
r
o
u
n
d
s
en
ten
ce
o
f
e
ac
h
clu
s
ter
is
ex
tr
ac
ted
f
r
o
m
t
h
e
k
e
y
wo
r
d
wo
r
d
s
.
B
ef
o
r
e
ex
tr
ac
tin
g
th
e
k
ey
w
o
r
d
wo
r
d
s
,
a
p
r
ep
r
o
ce
s
s
in
g
p
r
o
ce
s
s
i
s
ca
r
r
ied
o
u
t
to
r
em
o
v
e
u
n
im
p
o
r
tan
t
wo
r
d
s
.
Af
ter
th
e
k
ey
wo
r
d
ex
t
r
ac
tio
n
,
th
e
wo
r
d
s
ar
e
u
s
ed
as
a
q
u
er
y
to
r
et
r
iev
e
d
o
c
u
m
en
ts
i
n
th
e
d
is
cr
im
in
ato
r
co
m
p
o
n
en
t.
T
h
e
to
p
-
K
r
etr
iev
al
r
esu
lts
ar
e
co
m
b
in
ed
with
th
e
o
r
ig
in
al
s
en
ten
ce
q
u
er
y
u
s
e
d
f
o
r
th
e
g
e
n
er
atio
n
s
u
m
m
ar
izatio
n
p
r
o
ce
s
s
.
See
Fig
u
r
e
1
f
o
r
m
o
r
e
d
etails.
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
Qu
ery
ke
ywo
r
d
ex
tr
a
ctio
n
in
d
is
crimin
a
tive
ma
r
g
in
a
liz
ed
p
r
o
b
a
b
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tic
n
eu
r
a
l
…
(
B
a
mb
a
n
g
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u
b
en
o
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909
Fig
u
r
e
1
.
Flo
w
o
f
th
e
k
e
y
wo
r
d
q
u
er
y
ex
tr
ac
tio
n
p
r
o
ce
s
s
f
o
r
m
u
lti
-
d
o
cu
m
e
n
t su
m
m
ar
izatio
n
Fig
u
r
e
2
.
I
ll
u
s
tr
atio
n
o
f
a
s
im
p
le
ex
p
er
im
en
tal
p
r
o
ce
s
s
u
s
in
g
b
ac
k
g
r
o
u
n
d
s
en
ten
ce
an
d
k
e
y
wo
r
d
ex
tr
ac
tio
n
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.
40
,
No
.
2
,
No
v
em
b
er
20
25
:
9
0
7
-
91
5
910
2
.
1
.
K
ey
wo
rd
e
x
t
r
a
ct
io
n
Key
wo
r
d
ex
tr
ac
tio
n
is
a
m
eth
o
d
th
at
au
to
m
atica
lly
ex
tr
a
cts
im
p
o
r
tan
t
wo
r
d
s
f
r
o
m
a
d
o
cu
m
e
n
t
co
n
tain
in
g
f
iv
e
to
ten
wo
r
d
s
;
th
ese
im
p
o
r
tan
t
wo
r
d
s
p
r
o
v
id
e
an
in
s
tan
t
s
u
m
m
ar
y
o
f
th
e
d
o
cu
m
en
t
[
2
6
]
,
[
2
7
]
.
Key
wo
r
d
s
ar
e
u
s
ef
u
l
f
o
r
r
ea
d
er
s
to
s
ee
th
e
co
n
ten
t
o
f
th
e
d
o
cu
m
en
t
at
a
g
lan
ce
,
f
o
r
I
n
te
r
n
et
u
s
er
s
to
f
in
d
th
e
m
o
s
t
r
elev
an
t
p
ar
t
o
f
a
web
p
ag
e,
o
r
e
v
en
f
o
r
s
ea
r
ch
e
n
g
in
es
to
im
p
r
o
v
e
s
ea
r
c
h
r
esu
lts
.
T
h
e
u
s
e
o
f
k
ey
wo
r
d
ex
tr
ac
tio
n
m
eth
o
d
ca
n
u
s
e
a
s
tati
s
tical
ap
p
r
o
ac
h
s
u
ch
as
ter
m
f
r
eq
u
en
cy
–
in
v
er
s
e
d
o
cu
m
en
t
f
r
e
q
u
en
cy
(
T
FID
F
)
,
wo
r
d
f
r
e
q
u
en
c
y
,
P
a
tr
icia
tr
ee
[
2
6
]
,
y
et
a
n
o
th
er
k
ey
wo
r
d
ex
tr
ac
to
r
(
YAKE
)
[
2
7
]
,
s
tatis
tical
g
r
ap
h
-
b
ased
s
u
ch
as M
u
ltip
ar
tieR
an
k
[
2
8
]
,
o
r
a
ML
ap
p
r
o
ac
h
s
u
ch
as
k
ey
wo
r
d
e
x
tr
ac
tio
n
u
s
in
g
B
E
R
T
(
b
id
ir
ec
tio
n
al
en
co
d
er
r
ep
r
esen
tatio
n
s
f
r
o
m
tr
an
s
f
o
r
m
e
r
s
)
(
Key
B
E
R
T
)
[
2
7
]
.
I
n
th
is
s
tu
d
y
,
k
e
y
w
o
r
d
ex
t
r
ac
tio
n
was
attem
p
ted
in
th
e
ex
p
er
im
en
tal
s
ce
n
ar
io
u
s
in
g
th
e
T
FID
F,
K
ey
B
E
R
T
,
YAKE
,
an
d
Mu
ltip
ar
ty
R
an
k
m
eth
o
d
s
.
T
FID
F
is
a
class
ic
k
ey
wo
r
d
ex
tr
ac
tio
n
m
et
h
o
d
th
at
is
b
as
ed
o
n
cu
ltu
r
es
b
ased
o
n
wo
r
d
f
r
e
q
u
en
c
y
[
2
9
]
.
Key
B
E
R
T
is
a
s
im
p
le
k
ey
wo
r
d
ex
tr
ac
tio
n
m
et
h
o
d
th
at
u
s
es
th
e
B
E
R
T
m
o
d
el
with
a
tr
an
s
f
o
r
m
er
lib
r
ar
y
b
ased
o
n
co
s
in
e
s
im
ilar
ity
to
f
in
d
th
e
m
o
s
t
r
elev
an
t
wo
r
d
s
[
3
0
]
,
[
3
1
]
.
YAKE
is
a
m
eth
o
d
f
o
r
ex
tr
ac
tin
g
k
ey
wo
r
d
s
b
ased
o
n
wo
r
d
f
r
e
q
u
en
c
y
,
wo
r
d
p
o
s
itio
n
,
wo
r
d
r
elate
d
n
ess
to
co
n
tex
t,
an
d
wo
r
d
d
if
f
er
en
ce
in
m
u
ltil
in
g
u
al
d
o
cu
m
e
n
ts
[
2
6
]
.
M
u
ltip
ar
tieR
an
k
is
a
m
eth
o
d
f
o
r
e
x
tr
ac
tin
g
k
ey
w
o
r
d
p
h
r
ases
an
d
to
p
ics
in
a
m
u
ltip
ar
tie
g
r
ap
h
s
tr
u
ct
u
r
e
b
ased
o
n
th
e
T
ax
tR
an
k
m
eth
o
d
[
2
8
]
.
2
.
2
.
DAME
N
DAM
E
N
is
a
d
is
cr
im
in
ativ
e
m
ar
g
in
alize
d
p
r
o
b
ab
ilis
tic
n
eu
r
al
m
eth
o
d
u
s
ed
to
s
u
m
m
ar
ize
th
e
m
ed
ical
d
o
m
ain
.
T
h
e
DAM
E
N
m
o
d
el
co
n
s
is
ts
o
f
th
r
ee
co
m
p
o
n
en
ts
,
n
am
ely
in
d
ex
er
,
d
is
cr
im
in
ato
r
an
d
g
en
er
ato
r
[
2
3
]
.
At
t
h
e
in
d
ex
er
s
tag
e,
ea
ch
d
o
cu
m
en
t
in
th
e
clu
s
ter
is
in
d
ex
ed
u
s
in
g
t
h
e
B
E
R
T
m
o
d
el.
A
t
th
e
d
is
cr
im
in
ato
r
s
tag
e,
d
o
cu
m
en
t
r
etr
iev
al
is
p
er
f
o
r
m
ed
to
d
is
tin
g
u
is
h
im
p
o
r
tan
t
in
f
o
r
m
atio
n
in
a
clu
s
ter
b
ased
o
n
its
b
ac
k
g
r
o
u
n
d
s
en
ten
ce
q
u
er
y
.
E
ac
h
d
o
c
u
m
en
t
clu
s
ter
i
s
g
iv
en
a
s
co
r
e
o
f
m
atch
in
g
with
th
e
b
ac
k
g
r
o
u
n
d
u
s
in
g
co
s
in
e
s
im
ilar
ity
,
an
d
t
h
en
th
e
to
p
K
ar
e
s
elec
ted
to
b
e
u
s
ed
as
ca
n
d
id
ates
f
o
r
th
e
n
ex
t
p
r
o
ce
s
s
.
T
h
e
m
o
d
el
u
s
ed
in
t
h
is
s
tag
e
is
B
E
R
T
.
At
th
e
g
en
er
ato
r
s
tag
e,
t
h
e
s
u
m
m
ar
izatio
n
p
r
o
ce
s
s
is
p
er
f
o
r
m
ed
b
ased
o
n
th
e
b
ac
k
g
r
o
u
n
d
s
en
ten
ce
q
u
er
y
an
d
th
e
to
p
K
d
o
cu
m
e
n
ts
u
s
in
g
th
e
b
id
ir
ec
tio
n
al
an
d
au
to
-
r
eg
r
ess
iv
e
tr
an
s
f
o
r
m
er
s
(
B
AR
T
)
m
o
d
el.
T
h
e
m
o
d
el
we
d
ev
elo
p
e
d
co
n
s
is
ts
o
f
in
d
ex
er
,
d
is
cr
im
in
ato
r
,
an
d
g
en
er
at
o
r
co
m
p
o
n
en
ts
b
ased
o
n
th
e
ex
is
tin
g
DAM
E
N
m
o
d
el.
Ho
wev
er
,
th
er
e
is
a
d
if
f
er
en
ce
i
n
th
e
d
is
cr
im
in
ato
r
c
o
m
p
o
n
e
n
t;
th
e
b
ac
k
g
r
o
u
n
d
s
en
ten
ce
is
f
ir
s
t
p
r
o
ce
s
s
ed
b
y
k
ey
wo
r
d
ex
tr
ac
tio
n
to
o
b
tain
k
ey
wo
r
d
s
b
ef
o
r
e
en
ter
in
g
th
e
d
is
cr
im
in
ato
r
co
m
p
o
n
en
t.
T
h
e
b
asic id
ea
o
f
ad
d
in
g
k
e
y
wo
r
d
ex
tr
ac
tio
n
is
t
h
at
th
e
s
en
ten
ce
q
u
er
y
ap
p
r
o
a
ch
u
s
ed
in
p
r
ev
io
u
s
s
tu
d
ies
is
le
s
s
g
o
o
d
th
an
th
e
wo
r
d
q
u
e
r
y
u
s
ed
in
ex
tr
ac
t
iv
e
s
u
m
m
ar
ies
[
2
4
]
,
an
d
b
ased
o
n
th
e
r
esu
lts
o
f
a
s
m
all
ex
p
er
im
en
t
ac
co
r
d
i
n
g
t
o
Fig
u
r
e
2
,
wh
ic
h
s
h
o
ws
a
co
r
r
elatio
n
b
etwe
en
t
h
e
k
ey
wo
r
d
q
u
e
r
y
an
d
th
e
s
u
m
m
ar
izatio
n
r
esu
lts
.
T
h
e
m
o
d
el
we
d
ev
el
o
p
ed
is
ca
lled
Q
-
DAM
E
N
as sh
o
wn
in
Fig
u
r
e
3
.
Fig
u
r
e
3
.
Qu
e
r
y
k
e
y
wo
r
d
ex
tr
ac
tio
n
o
n
DAM
E
N
(
Q
-
DAM
E
N)
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
Qu
ery
ke
ywo
r
d
ex
tr
a
ctio
n
in
d
is
crimin
a
tive
ma
r
g
in
a
liz
ed
p
r
o
b
a
b
ilis
tic
n
eu
r
a
l
…
(
B
a
mb
a
n
g
S
u
b
en
o
)
911
3.
RE
SU
L
T
S AN
D
AN
AL
Y
SI
S
T
h
e
th
ir
d
s
ec
tio
n
co
n
s
is
ts
o
f
th
r
ee
s
u
b
s
ec
tio
n
s
,
n
a
m
ely
d
ataset,
ex
p
er
im
en
tal
s
ce
n
ar
io
,
an
d
ex
p
er
im
en
tal
r
esu
lts
an
d
an
aly
s
is
.
T
h
e
d
ataset
s
u
b
s
ec
tio
n
d
is
cu
s
s
es
th
e
d
ataset
u
s
ed
an
d
its
ch
ar
ac
te
r
is
tic
s
.
T
h
e
ex
p
er
im
e
n
tal
s
ce
n
ar
io
s
u
b
s
ec
tio
n
d
is
cu
s
s
es
s
ev
er
al
ex
p
er
im
en
tal
s
ce
n
ar
io
s
co
n
d
u
cte
d
u
s
in
g
5
ex
p
er
im
en
tal
s
ce
n
ar
io
s
.
T
h
e
e
x
p
er
im
en
tal
r
esu
lts
an
d
an
aly
s
is
s
u
b
s
ec
tio
n
d
is
cu
s
s
e
s
ea
ch
s
ce
n
ar
io
r
esu
lt
an
d
p
r
o
v
id
es its
an
aly
s
is
.
3
.
1
.
Da
t
a
s
et
T
h
e
d
ataset
u
s
ed
in
th
is
s
tu
d
y
is
th
e
MS2
d
ataset,
wh
ich
is
a
co
llectio
n
o
f
r
elate
d
d
ata
o
n
m
ed
ical
d
ata
f
o
r
m
u
lti
-
d
o
c
u
m
en
t su
m
m
ar
ies.
T
h
e
MS2
d
ataset
i
s
a
co
llectio
n
o
f
ab
s
tr
ac
t d
o
cu
m
e
n
ts
th
at
ar
e
alr
ea
d
y
in
th
e
f
o
r
m
o
f
p
u
b
lic
clu
s
ter
s
.
E
a
ch
clu
s
ter
co
n
s
is
ts
o
f
a
b
ac
k
g
r
o
u
n
d
,
a
co
llectio
n
o
f
ab
s
tr
ac
t d
o
cu
m
e
n
ts
,
a
tar
g
et
s
u
m
m
ar
y
,
a
n
d
an
ex
am
p
le
o
f
d
ata,
as sh
o
wn
in
Fig
u
r
e
4
.
Fig
u
r
e
4
.
E
x
am
p
le
r
e
p
r
esen
tat
io
n
o
f
t
h
e
f
ir
s
t 4
r
o
ws o
f
th
e
MS2
d
ataset
B
ac
k
g
r
o
u
n
d
is
a
s
h
o
r
t
s
en
ten
c
e
th
at
is
a
q
u
er
y
th
at
d
escr
ib
es
a
q
u
esti
o
n
o
r
r
esear
ch
to
p
ic
ac
co
r
d
in
g
to
its
clu
s
ter
.
A
co
llectio
n
o
f
ab
s
tr
ac
t
d
o
cu
m
en
ts
is
a
co
lle
ctio
n
o
f
r
esear
c
h
ab
s
tr
ac
ts
g
r
o
u
p
ed
ac
co
r
d
in
g
to
th
eir
b
ac
k
g
r
o
u
n
d
.
T
h
e
tar
g
et
s
u
m
m
ar
y
is
th
e
r
esu
lt
o
f
t
h
e
co
n
clu
s
io
n
th
at
is
u
s
ed
as
th
e
g
r
o
u
n
d
t
r
u
th
o
f
ea
c
h
clu
s
ter
.
T
h
e
d
ataset
u
s
ed
is
s
h
o
wn
in
T
ab
le
1
.
T
ab
le
1
.
MS2
d
ata
s
tatis
tic
s
u
s
ed
N
u
mb
e
r
o
f
c
l
u
s
t
e
r
s
A
v
e
r
a
g
e
n
u
m
b
e
r
o
f
d
o
c
u
me
n
t
s
p
e
r
c
l
u
st
e
r
A
v
e
r
a
g
e
n
u
m
b
e
r
o
f
w
o
r
d
s
p
e
r
c
l
u
st
e
r
1
,
0
0
0
c
l
u
st
e
r
2
2
d
o
c
u
m
e
n
t
s
6
,
8
3
9
w
o
r
d
s
3
.
2
.
E
x
perim
ent
a
l
s
ce
na
rio
B
ased
o
n
th
e
Q
-
DAM
E
N
m
o
d
el
in
Fig
u
r
e
3
a
n
d
t
h
e
MS2
d
ataset,
we
co
n
d
u
cted
f
o
u
r
e
x
p
er
im
en
tal
s
ce
n
ar
io
s
u
s
in
g
th
e
k
ey
wo
r
d
e
x
tr
ac
tio
n
m
eth
o
d
s
T
FID
F,
Ke
y
B
E
R
T
,
YAKE
,
an
d
Mu
ltip
ar
ty
R
an
k
.
Scen
ar
io
1
ca
lcu
lates
th
e
p
er
f
o
r
m
an
ce
o
f
k
ey
wo
r
d
ex
t
r
ac
tio
n
.
Scen
ar
io
2
ca
lcu
lates
th
e
u
s
e
o
f
th
e
k
ey
wo
r
d
q
u
er
y
f
o
r
all
m
o
d
els
with
v
ar
iatio
n
s
.
(
a)
T
h
e
b
ac
k
g
r
o
u
n
d
s
en
ten
ce
q
u
er
y
is
p
r
o
ce
s
s
ed
b
y
k
ey
wo
r
d
ex
tr
a
ctio
n
to
o
b
tain
th
e
k
ey
wo
r
d
q
u
er
y
,
th
en
en
ter
s
t
h
e
d
is
cr
im
in
ato
r
co
m
p
o
n
en
t,
an
d
th
e
k
e
y
wo
r
d
q
u
e
r
y
also
en
ter
s
th
e
g
en
er
ato
r
co
m
p
o
n
en
t.
(
b
)
T
h
e
b
a
ck
g
r
o
u
n
d
s
en
ten
ce
q
u
er
y
is
p
r
o
ce
s
s
ed
b
y
k
ey
w
o
r
d
e
x
tr
ac
tio
n
to
o
b
tain
th
e
k
ey
wo
r
d
q
u
er
y
,
th
en
e
n
ter
s
th
e
d
is
cr
im
in
ato
r
co
m
p
o
n
e
n
t,
an
d
th
e
b
ac
k
g
r
o
u
n
d
s
en
ten
ce
q
u
e
r
y
r
em
ai
n
s
in
th
e
g
en
e
r
ato
r
co
m
p
o
n
en
t.
(
c)
T
h
e
b
ac
k
g
r
o
u
n
d
s
en
ten
ce
q
u
e
r
y
en
ter
s
th
e
d
is
cr
im
in
ato
r
co
m
p
o
n
en
t,
a
n
d
th
e
k
ey
wo
r
d
q
u
er
y
en
ter
s
th
e
g
en
er
ato
r
co
m
p
o
n
e
n
t.
Scen
ar
io
3
ca
lcu
lates
th
e
u
s
e
o
f
th
e
k
e
y
wo
r
d
q
u
er
y
g
e
n
er
ated
b
y
h
u
m
a
n
an
n
o
tato
r
s
with
t
h
r
ee
v
ar
iatio
n
s
as
in
Scen
ar
io
2
.
Scen
ar
i
o
4
co
m
p
u
tes
th
e
T
-
test
to
d
eter
m
i
n
e
th
e
c
o
n
s
is
ten
cy
o
f
k
ey
w
o
r
d
e
x
tr
ac
tio
n
u
s
ag
e
ag
ain
s
t
s
u
m
m
ar
izatio
n
r
esu
lts
.
Scen
ar
io
5
ca
lc
u
lates
th
e
co
r
r
elatio
n
b
etwe
en
k
ey
wo
r
d
ex
tr
ac
tio
n
p
er
f
o
r
m
an
ce
an
d
s
u
m
m
ar
izatio
n
r
es
u
lts
to
d
eter
m
in
e
th
e
co
r
r
elatio
n
b
etwe
en
th
e
p
er
f
o
r
m
an
ce
o
f
th
e
k
ey
wo
r
d
s
u
s
ed
an
d
th
e
r
esu
ltin
g
s
u
m
m
a
r
izatio
n
.
3
.
3
.
E
x
perim
ent
re
s
ults a
nd
a
na
ly
s
is
T
h
e
r
esu
lts
o
f
th
e
1
st
ex
p
er
im
en
tal
s
ce
n
ar
io
ca
n
b
e
s
ee
n
in
T
ab
le
2
.
T
h
e
r
esu
lts
o
f
th
e
2
nd
ex
p
er
im
en
tal
s
ce
n
ar
io
ca
n
b
e
s
ee
n
in
T
a
b
le
3
.
T
h
e
r
esu
lts
o
f
th
e
3
rd
ex
p
er
im
e
n
tal
s
ce
n
ar
i
o
ca
n
b
e
s
ee
n
i
n
th
e
last
two
r
o
ws
o
f
th
e
tab
le.
T
h
e
r
esu
lts
o
f
th
e
4
th
ex
p
er
im
en
t
al
s
ce
n
ar
io
ca
n
b
e
s
ee
n
i
n
T
ab
le
4
.
T
h
e
r
esu
lts
o
f
Evaluation Warning : The document was created with Spire.PDF for Python.
I
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b
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le
2
s
h
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at
th
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est
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ey
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d
e
x
tr
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er
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ab
le
2
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Key
wo
r
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ex
t
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o
r
m
a
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r
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k
0
.
60
0
.
19
0
.
30
B
ased
o
n
th
e
r
esu
lts
in
T
ab
l
e
3
,
o
f
all
th
e
k
e
y
wo
r
d
ex
tr
a
ctio
n
m
o
d
els
u
s
ed
,
th
e
b
est
v
ar
iatio
n
is
v
ar
iatio
n
(
b
)
,
wh
er
e
k
ey
wo
r
d
q
u
er
y
is
in
p
u
tted
in
t
o
th
e
d
is
cr
im
in
ato
r
an
d
b
ac
k
g
r
o
u
n
d
s
en
ten
ce
q
u
er
y
is
in
p
u
tted
in
to
th
e
g
e
n
er
ato
r
.
B
ased
o
n
v
ar
iatio
n
(
b
)
in
T
ab
le
3
,
th
e
Mu
ltip
ar
tieR
an
k
k
ey
w
o
r
d
m
eth
o
d
s
h
o
ws
th
e
b
est
r
esu
lts
co
m
p
ar
ed
to
o
t
h
er
k
ey
wo
r
d
ex
tr
ac
tio
n
m
eth
o
d
s
an
d
b
aselin
e
v
ar
iatio
n
s
.
T
h
i
s
s
h
o
ws
th
at
u
s
in
g
g
o
o
d
k
ey
wo
r
d
q
u
er
y
wo
r
d
s
ca
n
r
esu
lt
in
g
o
o
d
to
p
-
K
d
o
c
u
m
en
t
r
etr
iev
al,
wh
ich
lead
s
to
b
etter
s
u
m
m
a
r
izatio
n
r
esu
lts
wh
ile
s
till
u
s
in
g
th
e
B
AR
T
m
o
d
el
g
en
er
at
o
r
.
Fo
r
v
ar
iatio
n
(
a)
,
k
ey
wo
r
d
q
u
er
y
is
in
p
u
tted
in
to
b
o
th
t
h
e
d
is
cr
im
in
ato
r
an
d
g
en
er
ato
r
co
m
p
o
n
e
n
ts
,
an
d
f
o
r
v
a
r
iatio
n
(
c
)
,
b
ac
k
g
r
o
u
n
d
s
en
ten
ce
q
u
er
y
is
in
p
u
tted
in
t
o
th
e
d
is
cr
im
in
ato
r
an
d
k
ey
wo
r
d
q
u
er
y
is
in
p
u
tted
in
to
th
e
g
e
n
er
a
to
r
,
th
er
e
is
a
ten
d
e
n
cy
f
o
r
less
th
an
g
o
o
d
r
esu
lts
.
T
h
is
s
h
o
ws
th
at
wh
en
t
h
e
g
e
n
er
ato
r
in
p
u
t
in
th
e
f
o
r
m
o
f
k
ey
wo
r
d
q
u
er
y
wo
r
d
s
is
co
m
b
in
e
d
d
ir
ec
tly
with
to
p
-
K
d
o
cu
m
en
ts
,
it
p
r
o
d
u
ce
s
less
th
an
g
o
o
d
s
u
m
m
a
r
izatio
n
.
T
h
is
is
b
ec
au
s
e
th
e
g
e
n
er
ato
r
m
o
d
el
u
s
ed
is
th
e
B
AR
T
m
o
d
el,
wh
ich
is
b
ased
o
n
th
e
g
en
er
atio
n
o
f
a
b
s
tr
ac
tiv
e
s
en
ten
ce
co
n
tex
t.
W
e
also
co
m
p
ar
ed
th
e
r
esu
lts
o
f
m
an
u
al
k
ey
wo
r
d
s
b
y
co
m
p
ar
in
g
th
e
r
esu
lts
o
f
v
ar
iatio
n
(
b
)
to
f
in
d
o
u
t
wh
eth
e
r
g
o
o
d
k
e
y
wo
r
d
q
u
er
y
ca
n
also
l
ea
d
to
g
o
o
d
s
u
m
m
ar
izatio
n
r
esu
lts
as
in
s
ce
n
ar
io
1
.
T
h
e
r
esu
lts
s
h
o
w
th
at
m
an
u
al
k
e
y
wo
r
d
s
p
r
o
v
id
e
b
etter
r
esu
lts
th
an
th
e
b
aselin
e,
with
a
d
if
f
er
en
ce
o
f
7
.
7
1
%.
C
o
m
p
ar
ed
t
o
all
k
ey
wo
r
d
e
x
tr
ac
tio
n
m
o
d
els
u
s
ed
,
m
an
u
al
k
ey
wo
r
d
s
s
till
s
h
o
w
th
e
b
est
p
er
f
o
r
m
an
ce
.
M
u
ltip
ar
titeR
an
k
an
d
YAKE
ar
e
clo
s
est
to
t
h
e
p
er
f
o
r
m
a
n
ce
o
f
m
an
u
al
k
ey
w
o
r
d
s
with
a
d
if
f
er
en
ce
o
f
3
.
2
6
%
an
d
4
.
4
7
%,
r
esp
ec
tiv
ely
.
T
h
is
s
h
o
ws
r
esu
lts
th
at
r
ein
f
o
r
ce
s
ce
n
ar
i
o
1
,
th
at
th
e
b
etter
th
e
k
ey
wo
r
d
q
u
er
y
p
r
o
d
u
ce
d
f
o
r
d
o
cu
m
e
n
t
r
etr
iev
al,
th
e
b
ette
r
th
e
s
u
m
m
ar
izatio
n
r
esu
lts
will
b
e,
ev
e
n
th
o
u
g
h
t
h
e
d
is
cr
im
in
ato
r
s
till
u
s
es
B
E
R
T
an
d
th
e
g
en
er
ato
r
s
till
u
s
es B
A
R
T
.
I
n
th
e
4
th
s
ce
n
ar
i
o
,
a
R
o
u
g
e
T
-
test
was
p
er
f
o
r
m
ed
b
ased
o
n
th
e
u
s
e
o
f
th
e
k
ey
wo
r
d
ex
tr
ac
tio
n
m
eth
o
d
an
d
th
e
b
est
v
a
r
iatio
n
o
f
th
e
b
aselin
e.
T
h
i
s
T
-
test
w
as
p
er
f
o
r
m
ed
to
d
eter
m
in
e
th
e
co
n
s
is
ten
cy
o
f
t
h
e
b
est
r
esu
lts
with
a
s
tatis
tical
m
eth
o
d
ap
p
r
o
ac
h
.
T
a
b
le
4
s
h
o
ws
th
at
th
e
k
ey
wo
r
d
ex
tr
ac
tio
n
m
eth
o
d
s
h
o
ws
co
n
s
is
ten
t r
esu
lts
in
all
clu
s
ter
s
with
a
T
-
test
v
alu
e
b
elo
w
0
.
0
5
.
T
ab
le
3
.
T
h
e
r
esu
lts
o
f
th
e
e
v
a
lu
atio
n
o
f
t
h
e
u
s
e
o
f
k
ey
wo
r
d
ex
tr
ac
tio
n
o
n
th
e
s
u
m
m
a
r
izatio
n
r
esu
lts
S
u
mm
a
r
i
z
a
t
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will b
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F
UNDING
I
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O
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A
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h
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au
th
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s
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f
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ter
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DATA AV
AI
L
AB
I
L
I
T
Y
Data
av
ailab
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d
o
es n
o
t a
p
p
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ted
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d
in
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tu
d
y
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RE
F
E
R
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6
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Evaluation Warning : The document was created with Spire.PDF for Python.