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ates
tex
t,
i
m
a
g
es,
s
o
u
n
d
,
an
d
v
id
eo
in
te
n
d
ed
to
in
f
o
r
m
,
p
er
s
u
ad
e,
s
ell
,
p
r
esen
t
a
v
ie
w
p
o
in
t,
o
r
ev
en
ch
a
n
g
e
a
n
at
tit
u
d
e
o
r
b
elief
.
Desp
ite
th
e
p
r
o
lif
er
atio
n
o
f
w
eb
s
ites
,
q
u
ali
t
y
a
s
s
es
s
m
en
t
r
e
m
ain
s
a
ch
alle
n
g
in
g
r
esear
ch
ar
ea
.
Qu
alit
y
r
elate
s
to
cu
s
to
m
er
s
at
is
f
ac
t
io
n
an
d
t
h
e
ac
co
m
p
lis
h
m
en
t o
f
u
s
er
ex
p
ec
tatio
n
s
f
r
o
m
a
w
eb
s
ite.
T
h
e
q
u
alit
y
o
f
a
w
eb
s
ite
ca
n
b
e
ass
es
s
ed
u
s
in
g
v
ar
io
u
s
f
ac
to
r
s
,
in
clu
d
i
n
g
u
s
ab
ilit
y
,
r
eliab
ilit
y
,
f
u
n
ctio
n
alit
y
,
p
o
r
tab
ilit
y
,
m
ai
n
tai
n
ab
ilit
y
,
p
r
iv
ac
y
,
s
ec
u
r
it
y
,
ad
eq
u
ac
y
o
f
in
f
o
r
m
at
io
n
,
s
af
et
y
,
co
n
te
n
t,
a
n
d
n
av
i
g
atio
n
.
As
m
a
n
y
as
4
2
f
ac
to
r
s
n
ee
d
to
b
e
c
o
n
s
id
er
ed
.
A
s
elec
tio
n
o
f
th
e
4
2
f
ac
to
r
s
r
elev
an
t
to
a
w
eb
s
ite
’
s
n
ee
d
s
m
u
s
t b
e
m
ad
e.
W
eb
s
ite
q
u
alit
y
co
u
ld
b
e
m
ea
s
u
r
ed
f
r
o
m
t
w
o
p
er
s
p
ec
tiv
es:
p
r
o
g
r
a
m
m
er
s
a
n
d
en
d
-
u
s
er
s
.
P
r
o
g
r
am
m
er
s
’
asp
ec
t
s
o
f
w
eb
s
ite
q
u
a
lit
y
f
o
cu
s
o
n
t
h
e
d
e
g
r
ee
o
f
m
ai
n
tai
n
ab
ilit
y
,
s
ec
u
r
it
y
,
an
d
f
u
n
ctio
n
a
lit
y
.
E
n
d
-
u
s
er
s
p
a
y
m
o
r
e
atte
n
tio
n
to
u
s
ab
ilit
y
,
ef
f
icie
n
c
y
,
a
n
d
cr
ed
ib
ilit
y
.
On
e
o
f
t
h
e
p
r
i
m
ar
y
g
o
als
f
o
r
w
eb
s
ite
q
u
an
tita
tiv
e
ev
a
lu
atio
n
i
s
to
u
n
d
er
s
tan
d
t
h
e
e
x
te
n
t
to
w
h
ic
h
a
g
i
v
en
co
llectio
n
o
f
q
u
alit
y
c
h
ar
ac
ter
is
tic
s
f
u
l
f
i
ls
a
s
elec
ted
s
et
o
f
n
ee
d
s
r
e
g
ar
d
in
g
a
s
p
ec
i
f
ic
u
s
er
v
ie
w
.
On
th
e
o
n
e
h
a
n
d
,
w
eb
s
ite
d
o
m
ai
n
s
s
u
ch
as
elec
tr
o
n
ic
co
m
m
er
ce
,
m
u
s
eu
m
s
,
a
n
d
ac
ad
em
ic
s
ites
ar
e
b
ec
o
m
i
n
g
in
cr
ea
s
in
g
l
y
co
m
p
l
ex
s
y
s
te
m
s
.
He
n
ce
,
an
i
n
te
g
r
al
q
u
an
tita
tiv
e
e
v
al
u
atio
n
p
r
o
ce
s
s
r
eg
ar
d
in
g
all
r
elev
an
t
q
u
alit
y
c
h
ar
ac
ter
is
tic
s
is
a
ls
o
a
co
m
p
lex
is
s
u
e.
T
h
e
e
v
alu
a
tio
n
co
m
p
lex
i
t
y
is
ca
u
s
ed
b
y
th
e
lar
g
e
n
u
m
b
er
o
f
i
n
ter
v
e
n
i
n
g
ch
ar
ac
t
er
is
tics
a
n
d
attr
ib
u
te
s
,
as
w
ell
as
th
e
co
m
p
lex
lo
g
ical
r
elatio
n
s
h
ip
s
a
m
o
n
g
t
h
es
e
attr
ib
u
tes
a
n
d
c
h
ar
ac
ter
is
tic
s
.
B
esid
es,
s
o
m
e
r
elev
a
n
t
at
tr
ib
u
tes
ca
n
n
o
t
b
e
o
b
j
ec
tiv
el
y
m
e
asu
r
ed
,
s
o
t
h
e
y
ca
n
o
n
l
y
b
e
in
cl
u
d
ed
af
ter
a
s
u
b
j
ec
tiv
e
ev
a
lu
at
io
n
m
ad
e
b
y
e
x
p
er
t e
v
alu
a
to
r
s
.
W
h
i
l
e
d
is
cu
s
s
in
g
th
e
q
u
a
li
ty
as
s
ess
m
en
t
c
r
i
t
e
r
ia
,
a
s
e
t
o
f
q
u
al
i
ty
p
a
r
am
et
e
r
s
w
as
e
s
t
a
b
l
is
h
ed
b
y
[
5
]
-
[
7
]
a
r
e
r
e
q
u
i
r
e
d
t
o
d
ef
in
e
w
h
a
t
i
s
e
x
p
e
c
te
d
f
r
o
m
th
e
s
i
t
e
ch
a
r
a
cte
r
i
s
ti
c
s
.
T
h
e
s
e
t
o
f
w
e
b
s
i
t
e
ch
ar
a
c
t
e
r
is
t
i
cs
an
d
th
e
i
r
r
e
l
a
t
i
o
n
s
h
i
p
s
f
o
r
m
th
e
b
a
s
i
s
f
o
r
a
q
u
a
l
ity
a
s
s
es
s
m
en
t
m
o
d
e
l
.
Mo
r
eo
v
er
,
to
ev
alu
ate
th
e
q
u
a
lit
y
o
f
w
eb
s
i
tes,
it
is
n
ec
es
s
ar
y
to
an
al
y
s
e
t
h
e
r
eq
u
ir
ed
p
ar
am
eter
s
,
ev
a
lu
atio
n
p
r
o
ce
d
u
r
es,
an
d
u
s
er
v
ie
w
p
o
in
t
s
.
C
o
m
p
u
tin
g
th
e
q
u
al
it
y
o
f
web
s
ites
th
at
r
ep
r
esen
t
v
ir
tu
al
co
m
m
u
n
it
ies
[
8
]
is
a
c
o
m
p
lex
task
.
I
d
en
tify
i
n
g
t
h
e
k
e
y
f
ac
to
r
s
i
s
a
co
m
p
le
x
p
r
o
ce
s
s
.
A
co
m
p
r
eh
en
s
iv
e
f
r
a
m
e
w
o
r
k
is
r
eq
u
i
r
ed
th
at
co
n
s
id
er
s
co
n
tex
t
m
ap
p
in
g
,
p
ar
am
etr
ic
m
ap
p
in
g
,
ch
o
ice
an
d
ap
p
licatio
n
o
f
co
m
p
u
tat
io
n
al
m
e
th
o
d
s
,
th
e
ev
o
l
u
tio
n
o
f
ex
p
er
t
s
y
s
te
m
s
,
p
ar
a
m
etr
ic
w
ei
g
h
in
g
,
an
d
m
o
d
ell
in
g
p
ar
s
er
s
f
o
r
co
m
p
u
t
in
g
t
h
e
p
ar
am
etr
ic/c
h
ar
ac
ter
is
tic
v
alu
e
s
.
So
m
e
f
r
a
m
e
w
o
r
k
s
p
r
esen
ted
i
n
t
h
e
l
iter
atu
r
e
ar
e
p
u
r
el
y
s
u
b
j
ec
tiv
e
a
n
d
d
ep
en
d
en
t
o
n
th
e
q
u
alit
y
ass
es
s
o
r
; so
m
e
ar
e
o
b
j
ec
tiv
e
an
d
d
ep
en
d
en
t o
n
s
tat
is
tical
m
e
asu
r
e
m
en
t
s
.
C
o
m
p
u
tin
g
t
h
e
q
u
a
lit
y
o
f
w
eb
s
ites
co
n
s
id
er
in
g
d
i
f
f
er
en
t
co
n
tex
ts
,
f
ac
to
r
s
,
s
u
b
-
f
ac
to
r
s
,
Fea
tu
r
es,
a
n
d
r
elativ
e
g
r
ad
in
g
o
f
th
e
s
e
f
ac
to
r
s
is
co
m
p
le
x
.
Ma
n
y
p
ar
s
er
s
,
ex
p
er
t
s
y
s
te
m
s
,
an
d
lear
n
in
g
m
o
d
el
s
ar
e
r
eq
u
ir
ed
to
ass
es
s
t
h
e
q
u
al
it
y
o
f
t
h
e
w
e
b
s
ites
.
A
s
y
s
te
m
s
h
o
u
ld
co
m
b
in
e
t
h
e
q
u
al
it
y
o
f
al
l
it
s
f
ac
to
r
s
,
ass
i
g
n
i
n
g
p
r
o
p
er
w
ei
g
h
ts
to
d
eter
m
in
e
t
h
e
o
v
er
all
q
u
alit
y
o
f
t
h
e
s
y
s
te
m
.
A
co
m
p
r
eh
e
n
s
iv
e
s
o
l
u
tio
n
r
e
q
u
ir
es
a
f
r
a
m
e
w
o
r
k
co
m
b
i
n
i
n
g
al
l th
e
ele
m
e
n
ts
o
f
q
u
alit
y
a
s
s
e
s
s
m
en
t a
n
d
o
v
er
all
w
eb
s
ite
q
u
alit
y
.
So
m
e
f
r
a
m
e
w
o
r
k
s
p
r
esen
ted
i
n
th
e
liter
atu
r
e
co
n
s
id
er
k
e
y
d
im
en
s
io
n
s
o
f
w
eb
s
ite
q
u
alit
y
.
Usab
ilit
y
i
s
o
n
e
d
i
m
en
s
io
n
t
h
at
en
co
m
p
a
s
s
es
ea
s
e
o
f
n
av
i
g
atio
n
,
ac
ce
s
s
ib
ilit
y
,
an
d
u
s
er
s
at
is
f
ac
tio
n
,
all
o
f
w
h
ic
h
ar
e
cr
itical
f
o
r
en
h
a
n
ci
n
g
t
h
e
u
s
er
ex
p
er
ien
ce
.
E
x
p
er
t
an
a
l
y
s
i
s
is
p
r
ed
o
m
i
n
an
tl
y
u
s
ed
in
q
u
alit
y
a
s
s
e
s
s
m
e
n
ts
,
w
h
ic
h
r
el
y
o
n
e
x
p
er
t j
u
d
g
m
e
n
t
to
ev
alu
ate
w
eb
s
i
te
f
ea
t
u
r
es
[
9
]
.
Fe
w
f
u
zz
y
ap
p
r
o
ac
h
es
h
a
v
e
b
ee
n
p
r
esen
ted
,
f
o
cu
s
i
n
g
o
n
th
e
i
n
ter
ac
tio
n
a
m
o
n
g
k
e
y
q
u
ali
t
y
p
ar
am
eter
s
.
Utili
s
i
n
g
t
h
e
f
u
zz
y
d
ec
is
io
n
-
m
a
k
i
n
g
tr
ia
l
an
d
e
v
alu
a
tio
n
lab
o
r
ato
r
y
(
f
u
zz
y
-
D
E
MA
T
E
L
)
m
eth
o
d
en
ab
les
n
u
an
ce
d
ev
al
u
atio
n
s
th
at
co
n
s
id
er
th
e
in
ter
ac
ti
o
n
s
a
m
o
n
g
v
ar
io
u
s
q
u
alit
y
p
ar
am
eter
s
.
T
o
o
ls
d
ev
elo
p
ed
f
o
r
s
p
ec
if
ic
d
o
m
a
in
s
,
s
u
c
h
as
ac
ad
e
m
ic
w
eb
s
i
tes,
ca
n
q
u
a
n
ti
tati
v
el
y
a
s
s
e
s
s
q
u
alit
y
b
a
s
ed
o
n
p
r
ed
ef
in
ed
cr
iter
ia
[
1
0
]
.
So
m
e
h
a
v
e
ev
al
u
ated
th
e
q
u
ali
t
y
o
f
W
eb
s
ites
f
r
o
m
a
p
er
f
o
r
m
an
ce
p
er
s
p
ec
tiv
e,
p
o
in
tin
g
o
u
t t
h
at
L
o
ad
in
g
ti
m
e
an
d
o
v
er
all
s
ite
p
er
f
o
r
m
a
n
ce
f
o
r
r
etain
in
g
u
s
er
e
n
g
a
g
e
m
en
t
.
So
m
e
h
a
v
e
f
o
cu
s
ed
o
n
f
ac
to
r
s
s
u
ch
as
r
elev
a
n
ce
,
ac
cu
r
ac
y
,
an
d
co
m
p
r
eh
e
n
s
iv
e
n
es
s
o
f
in
f
o
r
m
at
io
n
,
w
h
ic
h
ar
e
ess
en
tia
l,
p
ar
ticu
lar
ly
f
o
r
ac
ad
em
ic
w
eb
s
ites
[
1
1
]
.
Sev
er
al
o
th
er
f
r
a
m
e
w
o
r
k
s
h
av
e
b
ee
n
p
r
o
p
o
s
ed
in
th
e
liter
atu
r
e
to
ev
alu
ate
t
h
e
q
u
alit
y
o
f
a
w
eb
s
ite
b
ased
o
n
u
s
er
s
u
r
v
e
y
s
,
tak
i
n
g
in
t
o
ac
co
u
n
t
s
p
ec
if
ic
g
eo
g
r
ap
h
ical
r
eg
io
n
s
[
1
2
]
,
co
m
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f
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-
g
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a
n
ce
w
eb
s
ite
s
.
Kar
k
in
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n
d
J
an
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s
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n
[
2
3
]
h
av
e
p
r
esen
ted
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co
m
m
o
n
w
eb
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ev
alu
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t
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m
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tr
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co
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p
r
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u
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Fan
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t
a
l
.
[
2
4
]
C
o
n
s
id
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f
ac
to
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t
h
at
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d
p
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in
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f
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b
ac
k
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s
ite.
T
h
e
y
h
a
v
e
n
o
t
r
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o
m
m
e
n
d
ed
th
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co
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s
m
s
f
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th
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elec
te
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m
etr
ic
s
.
Ho
lzer
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d
Ma
n
o
h
ar
an
[
2
5
]
Hav
e
co
n
s
id
er
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p
r
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ac
y
/
s
ec
u
r
it
y
,
u
s
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co
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te
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t,
s
er
v
ices,
an
d
citizen
s
o
cial
en
g
a
g
e
m
e
n
t.
Fiet
k
ie
w
icz
et
a
l.
[
2
6
]
h
av
e
co
n
s
id
er
ed
th
e
f
o
r
m
atio
n
,
co
m
m
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tr
an
s
ac
tio
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te
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d
p
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ticip
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w
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ar
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ev
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u
ate
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d
if
f
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t
q
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ased
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i
s
is
ca
r
r
ied
o
u
t.
L
ee
-
Ge
iller
an
d
L
ee
[
2
7
]
c
o
n
s
id
er
ed
tr
an
s
p
ar
en
c
y
,
s
er
v
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q
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alit
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n
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citizen
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g
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Mo
s
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els
p
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ased
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to
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co
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Gu
p
ta
[
1
0
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h
av
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p
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f
r
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w
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k
th
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T
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T
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Fu
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Evaluation Warning : The document was created with Spire.PDF for Python.
T
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mma
la
ma
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)
989
Mo
u
s
ta
k
is
et
a
l.
[
2
8
]
h
av
e
u
s
ed
th
e
q
u
alit
y
f
ac
to
r
s
:
co
n
ten
t,
n
av
i
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,
s
tr
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r
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an
d
d
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ap
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m
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a
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iq
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C
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ter
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m
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v
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th
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ite
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f
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m
a
k
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it
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in
a
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ld
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co
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lo
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to
as
s
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w
eb
s
ite
’
s
q
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alit
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.
Gr
an
ić
et
a
l.
[
2
9
]
h
av
e
p
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n
ted
th
e
q
u
alit
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o
f
a
w
eb
s
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tr
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A
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[
3
0
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h
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R
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[
3
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h
av
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t,
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r
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q
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l
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3
2
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h
av
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h
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h
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2.
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o
d
el
–
s
u
b
-
f
r
a
m
e
w
o
r
k
2
.
2
.
3
.
Co
m
pu
t
i
ng
cha
ra
ct
er
is
t
ic
co
un
t
s
t
hro
ug
h c
o
nte
x
t
g
ener
a
t
io
n
–
s
ub
-
f
ra
m
ew
o
r
k
Fig
u
r
e
3
s
h
o
w
s
th
e
s
u
b
-
f
r
a
m
e
w
o
r
k
r
elatin
g
to
co
u
n
t g
e
n
er
at
io
n
.
T
h
e
w
eb
s
o
u
r
ce
co
d
e
is
p
r
o
ce
s
s
ed
to
f
i
n
d
co
n
tex
ts
u
s
i
n
g
s
ep
ar
atel
y
d
esi
g
n
ed
p
ar
s
er
s
,
an
d
th
e
w
eb
p
ag
es
r
elatin
g
to
a
s
p
ec
if
ic
co
n
tex
t
ar
e
id
en
ti
f
ied
.
A
r
ep
o
s
ito
r
y
h
a
s
b
ee
n
cr
ea
ted
.
E
ac
h
w
eb
p
ag
e
is
r
elate
d
to
a
s
p
ec
if
ic
co
n
tex
t.
T
h
is
s
u
b
-
f
r
a
m
e
w
o
r
k
co
m
p
u
tes
v
ar
io
u
s
m
etr
ic
s
u
s
i
n
g
p
ar
s
er
s
m
ap
p
ed
to
a
s
p
ec
i
f
i
c
co
m
p
u
ti
n
g
m
et
h
o
d
.
T
h
e
f
o
ll
o
w
i
n
g
A
l
g
o
r
ith
m
1
is
u
s
ed
f
o
r
co
m
p
u
ti
n
g
th
e
co
u
n
ts
,
co
n
s
id
er
in
g
th
e
m
etr
ic
s
as
s
o
ciate
d
w
it
h
t
h
o
s
e
co
u
n
ts
.
Fig
u
r
e
3
.
C
o
u
n
ts
g
e
n
er
atio
n
–
s
u
b
-
f
r
a
m
e
w
o
r
k
A
l
g
o
r
ith
m
1
.
C
o
m
p
u
ti
n
g
c
h
ar
ac
er
is
tic
co
u
n
ts
for every factor
{
for every sub
-
factor
{
For every feature
{
Call the parser.
St
or
e
th
e
co
un
ts
in
a
di
me
ns
io
na
l
ar
ra
y
in
de
xe
d
by
fa
ct
or
,
su
b
-
factor, and feature.
}
}
}
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.
23
,
No
.
4
,
A
u
g
u
s
t
20
25
:
9
8
6
-
999
992
2
.
2
.
4
.
Dev
elo
pin
g
co
g
nitiv
e
a
nd
predict
io
n
m
o
del
–
s
ub
-
f
r
a
m
ew
o
rk
Fig
u
r
e
4
s
h
o
w
s
t
h
e
s
u
b
-
f
r
a
m
e
w
o
r
k
f
o
r
ca
p
tu
r
i
n
g
a
co
g
n
it
iv
e
q
u
al
it
y
m
o
d
el
o
r
lear
n
i
n
g
a
q
u
alit
y
m
o
d
el
t
h
r
o
u
g
h
a
m
u
lti
-
la
y
er
p
er
ce
p
tr
o
n
.
T
h
e
co
u
n
ts
co
m
p
u
t
e
a
s
u
b
-
f
ac
to
r
’
s
q
u
ali
t
y
o
r
f
ea
t
u
r
e
b
y
r
ef
er
r
i
n
g
to
a
m
a
n
u
all
y
ca
p
t
u
r
ed
co
g
n
iti
v
e
o
r
m
ac
h
i
n
e
-
ea
r
n
ed
m
o
d
el.
T
o
b
eg
in
w
ith
,
m
an
u
al
co
g
n
iti
v
e
m
o
d
els
h
a
v
e
b
ee
n
d
ev
elo
p
ed
f
o
r
ea
ch
o
f
th
e
ch
ar
ac
ter
is
tics
an
d
s
u
b
-
f
ac
to
r
s
,
w
h
ich
ar
e
u
s
ed
to
co
m
p
u
te
t
h
e
q
u
alit
y
o
f
th
e
s
e
s
u
b
-
f
ac
to
r
s
an
d
ch
ar
ac
ter
is
tics
.
O
n
e
h
u
n
d
r
ed
w
eb
s
ite
s
w
er
e
co
n
s
id
er
ed
,
an
d
u
s
er
s
'
p
er
ce
p
tio
n
s
o
f
q
u
alit
y
w
er
e
ass
es
s
ed
th
r
o
u
g
h
a
s
ep
ar
ate
s
u
r
v
e
y
.
An
e
x
a
m
p
le
s
et
i
s
cr
ea
ted
b
y
g
e
n
er
ati
n
g
co
u
n
ts
f
o
r
ea
ch
f
ac
to
r
u
s
in
g
a
s
ep
ar
ate
p
ar
s
er
.
E
ac
h
ex
a
m
p
le
tu
p
le
is
m
ap
p
ed
to
an
ex
p
ec
t
ed
q
u
alit
y
le
v
el.
T
h
e
co
u
n
ts
a
n
d
ex
p
ec
ted
q
u
alit
y
o
f
th
e
w
eb
s
ite
ar
e
lear
n
ed
u
s
i
n
g
a
m
u
lti
-
la
y
er
p
er
ce
p
tr
o
n
m
o
d
el.
I
n
th
e
ca
s
e
o
f
t
h
e
f
ac
to
r
“
co
m
p
lete
n
e
s
s
,
”
t
h
e
m
o
d
el
i
s
u
s
ed
to
p
r
ed
ict
th
e
q
u
alit
y
o
f
th
e
f
ac
to
r
“
co
m
p
le
ten
es
s
”
f
o
r
a
w
eb
s
ite.
T
h
e
f
r
a
m
e
w
o
r
k
,
as
s
u
c
h
,
p
r
o
v
id
es a
p
r
o
v
is
io
n
f
o
r
th
e
u
s
er
to
ch
o
o
s
e
an
y
lear
n
i
n
g
alg
o
r
ith
m
.
Fig
u
r
e
4
.
C
o
u
n
ts
g
e
n
er
atio
n
s
u
b
-
f
r
a
m
e
w
o
r
k
2
.
2
.
5
.
Ass
ess
i
ng
s
ub
-
f
a
ct
o
rs qua
lity
,
f
a
ct
o
rs,
a
nd
t
he
w
eb
s
it
e
–
Sub
-
f
ra
m
ew
o
rk
T
h
e
q
u
alit
y
ass
e
s
s
m
en
t
s
u
b
-
f
r
a
m
e
w
o
r
k
is
s
h
o
w
n
i
n
Fig
u
r
e
5
.
T
h
e
q
u
ality
o
f
ea
c
h
s
u
b
f
ac
to
r
is
ass
es
s
ed
b
y
co
m
p
u
ti
n
g
ea
c
h
ch
ar
ac
ter
is
tic
’
s
ag
g
r
eg
ate.
T
h
e
q
u
alit
y
o
f
ea
c
h
f
ac
to
r
is
ca
lcu
lated
b
y
ag
g
r
e
g
ati
n
g
an
d
a
v
er
ag
i
n
g
t
h
e
q
u
ali
t
y
o
f
ea
c
h
r
elate
d
s
u
b
f
ac
to
r
.
T
h
e
o
v
er
all
q
u
al
it
y
o
f
t
h
e
w
eb
s
ite
i
s
ca
lcu
lated
b
y
ta
k
in
g
a
w
ei
g
h
t
ed
av
er
ag
e
o
f
t
h
e
q
u
alit
y
o
f
t
h
e
s
e
lecte
d
f
ac
to
r
s
.
T
h
e
q
u
ali
t
y
o
f
a
w
eb
s
ite
i
s
co
m
p
u
ted
at
t
h
e
w
eb
s
ite
le
v
e
l,
f
ac
to
r
lev
e
l,
an
d
s
u
b
-
f
ac
to
r
lev
el.
T
h
e
q
u
ali
t
y
is
co
m
p
u
t
ed
u
s
i
n
g
a
h
u
m
a
n
-
d
ef
in
ed
ex
p
er
t
o
r
a
m
ac
h
i
n
e
le
ar
n
in
g
m
o
d
el.
W
h
en
a
m
ac
h
i
n
e
lear
n
in
g
m
o
d
el
is
u
s
ed
,
th
e
q
u
alit
y
is
co
m
p
u
ted
at
th
e
s
u
b
-
f
ac
to
r
lev
el.
C
o
mp
u
t
e
C
o
u
n
t
s
o
f
t
h
e
c
h
a
r
a
c
t
e
r
i
st
i
c
s
F
a
c
t
o
r
s
S
e
l
e
c
t
S
u
b
F
a
c
t
o
r
s
S
e
l
e
c
t
C
h
a
r
a
c
t
e
r
i
s
t
i
c
s
C
o
mp
u
t
e
Q
u
a
l
i
t
y
o
f
S
u
b
-
F
a
c
t
o
r
s
H
u
ma
n
C
o
g
n
i
t
i
ve
M
o
d
e
l
C
o
mp
u
t
e
Q
u
a
l
i
t
y
o
f
F
a
c
t
o
r
s
C
o
mp
u
t
e
Q
u
a
l
i
t
y
o
f
a
WE
B
si
t
e
F
i
l
t
e
r
c
o
n
t
e
x
t
b
a
s
e
d
c
o
d
e
W
e
b
s
i
te
C
o
d
e
P
r
e
d
i
c
t
t
h
e
Q
u
a
l
i
t
y
o
f
t
h
e
su
b
-
F
c
a
t
o
r
u
si
n
g
L
e
a
r
n
i
n
g
M
o
d
e
l
S
e
l
e
c
t
P
a
r
se
r
s
S
e
l
e
c
t
C
o
mp
u
t
a
t
i
o
n
a
l
M
e
t
h
o
d
Fig
u
r
e
5
.
Qu
alit
y
ass
e
s
s
m
e
n
t
f
r
a
m
e
w
o
r
k
T
h
e
f
o
l
l
o
w
in
g
p
r
o
c
e
d
u
r
e
i
s
u
s
ed
f
o
r
c
o
m
p
u
tin
g
th
e
q
u
a
l
ity
w
h
e
n
th
e
h
u
m
an
ex
p
e
r
t
m
o
d
e
l
i
s
u
s
e
d
(
A
lg
o
r
i
th
m
2
)
.
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
A
n
ex
ten
s
ive
fr
a
mewo
r
k
fo
r
a
s
s
ess
in
g
th
e
q
u
a
lity o
f web
s
ites
(
S
a
s
i B
h
a
n
u
J
a
mma
la
ma
d
a
ka
)
993
A
l
g
o
r
ith
m
2
.
C
o
m
p
u
ti
n
g
t
h
e
q
u
alit
y
o
f
s
u
b
-
f
ac
to
r
s
u
s
i
n
g
an
ex
p
er
t
m
o
d
el
Qweb = 0
Qfcator=0
For each factor
{
Nsub
-
fcator = 0
Qsub
-
fcator =0
For each of the sub
-
factor
{
TQcha = 0
Ncha
-
0
For each characteristic
{
TQcha = TQcha + Qcha
Ncha = ncha+1
}
Qsub
-
Fcator = TQcha
\
Ncha
Qsub
-
factor = Qsub
-
factor * Wsub
-
factor
Nsub
-
factor = Nsub
-
factor + 1
TQfact
or = TQfcator + Qsub
-
fcator
}
Qweb = TQFcator / Nsub
-
Fcator
}
T
h
e
f
o
llo
w
i
n
g
p
r
o
ce
d
u
r
e
is
u
s
ed
f
o
r
co
m
p
u
ti
n
g
th
e
q
u
a
l
it
y
w
h
en
t
h
e
m
ac
h
i
n
e
lear
n
i
n
g
m
o
d
el
is
u
s
ed
(
A
l
g
o
r
ith
m
3
)
.
A
l
g
o
r
ith
m
3
.
C
o
m
p
u
ti
n
g
t
h
e
q
u
alit
y
o
f
t
h
e
w
eb
s
ite
s
u
s
in
g
m
ac
h
in
e
lear
n
i
n
g
m
o
d
els
Qweb = 0
Qfactor=0
For each factor
{
Nsub
-
fcator = 0
Qsub
-
fcator =0
For each of the sub
-
factors
{
Nsub
-
factor = Nsub
-
factor + 1
Qsub
-
factor = Qsub
-
factor * Wsub
-
factor
TQfactor = TQfcator + Qsub
-
fcator
}
Qweb = TQFcator / Nsub
-
Factor
}
3.
RE
SU
L
T
S AN
D
D
I
SCU
SS
I
O
N
3
.
1
.
Resul
t
s
A
lo
o
k
-
u
p
tab
le
i
s
cr
ea
ted
u
s
in
g
a
u
s
er
in
ter
f
ac
e,
u
tili
s
in
g
t
h
e
r
ef
er
e
n
ce
cr
ea
tio
n
s
u
b
-
f
r
a
m
e
w
o
r
k
ex
p
lain
ed
in
Sectio
n
2
.
2
.
3
.
I
n
d
iv
id
u
al
r
ep
o
s
ito
r
ies
estab
lis
h
r
elatio
n
s
h
ip
s
a
m
o
n
g
f
ac
to
r
s
,
s
u
b
-
f
ac
to
r
s
,
f
ea
t
u
r
es
,
an
d
co
m
p
u
tatio
n
al
m
e
th
o
d
s
.
T
ab
le
1
p
r
esen
ts
t
h
e
lo
o
k
u
p
tab
le
o
f
r
e
f
er
en
ce
co
m
p
o
n
e
n
ts
f
o
r
a
n
e
x
a
m
p
le
w
eb
s
i
te,
as
ca
p
tu
r
ed
b
y
a
u
s
er
.
T
h
e
co
m
p
u
tatio
n
s
an
d
co
u
n
ts
f
o
r
n
ec
ess
ar
y
f
ac
to
r
s
,
s
u
b
-
f
ac
to
r
s
,
an
d
ch
ar
ac
ter
is
tic
s
h
av
e
b
ee
n
ca
lcu
lated
u
s
i
n
g
th
e
alg
o
r
ith
m
ex
p
lain
ed
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w
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ite.
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