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[
1
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.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
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I
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T
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Vo
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Ma
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6
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T
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[
2
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3
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Stu
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th
e
lo
ca
l
ar
ea
[
4
]
.
No
wad
a
y
s
,
s
tu
d
en
ts
f
r
o
m
f
ar
-
f
lan
g
ar
ea
s
an
d
d
is
tan
t r
eg
i
o
n
s
in
th
e
co
u
n
t
r
y
alwa
y
s
tak
e
in
to
co
n
s
id
er
atio
n
in
s
elec
tin
g
ac
co
m
m
o
d
atio
n
p
r
o
x
im
ity
an
d
af
f
o
r
d
a
b
ilit
y
[
5
]
,
h
o
wev
er
,
lo
ca
tin
g
ac
co
m
m
o
d
atio
n
s
th
at
m
ee
t
th
ese
cr
iter
ia,
r
eq
u
ir
es a
lo
t
o
f
tim
e,
m
o
n
ey
an
d
e
f
f
o
r
t,
esp
ec
ially
f
o
r
s
tu
d
e
n
ts
f
r
o
m
d
is
tan
t r
eg
io
n
s
[
6
]
.
I
n
lo
ca
tin
g
b
o
a
r
d
in
g
h
o
u
s
es,
s
tu
d
en
ts
alwa
y
s
ch
o
o
s
e
to
m
ak
e
a
h
o
u
s
e
-
to
-
h
o
u
s
e
to
u
r
o
f
n
ea
r
b
y
u
n
iv
er
s
ities
o
r
r
ely
o
n
wo
r
d
-
of
-
m
o
u
th
r
ec
o
m
m
e
n
d
atio
n
s
to
i
d
en
tify
s
u
itab
le
b
o
ar
d
in
g
h
o
u
s
es [
7
]
.
T
h
is
m
eth
o
d
is
cu
m
b
er
s
o
m
e,
esp
ec
ially
f
o
r
s
tu
d
en
ts
f
r
o
m
d
is
tan
t
r
eg
io
n
s
,
wh
o
m
a
y
s
tr
u
g
g
le
to
l
o
ca
t
e
th
e
lo
ca
l
h
o
u
s
i
n
g
m
ar
k
et
o
r
i
d
en
tify
wh
e
r
e
t
o
in
q
u
ir
e
a
b
o
u
t
a
v
ailab
le
o
p
tio
n
s
.
As
a
r
esu
lt,
th
e
s
ea
r
ch
f
o
r
s
u
itab
le
ac
co
m
m
o
d
atio
n
ca
n
b
ec
o
m
e
a
b
ar
r
ier
to
ac
ad
em
ic
s
u
cc
ess
an
d
o
v
er
all
well
-
b
ein
g
[
8
]
.
L
o
ca
tin
g
b
o
ar
d
in
g
h
o
u
s
es
o
r
s
u
itab
le
ac
co
m
m
o
d
atio
n
s
with
th
e
aid
o
f
b
o
a
r
d
in
g
h
o
u
s
e
s
ea
r
ch
ap
p
licatio
n
s
o
r
d
ig
ital
p
latf
o
r
m
s
,
s
tu
d
en
ts
ca
n
ea
s
ily
lo
ca
te
d
esire
d
ac
co
m
m
o
d
atio
n
s
[
9
]
.
T
h
e
g
r
o
u
p
o
f
Gu
n
tu
r
et
a
l.
[
1
0
]
h
ig
h
lig
h
ts
th
at
th
e
m
ajo
r
it
y
o
f
b
o
ar
d
in
g
h
o
u
s
e
o
wn
er
s
co
n
tin
u
e
to
d
ep
en
d
o
n
tr
ad
itio
n
al
m
ar
k
eti
n
g
m
eth
o
d
s
to
p
r
o
m
o
te
th
ei
r
p
r
o
p
er
ties
,
p
ar
ticu
lar
l
y
b
y
u
s
in
g
s
ig
n
s
th
at
s
ay
‘
B
o
ar
d
in
g
Ho
u
s
e
’
in
f
r
o
n
t
o
f
th
eir
h
o
u
s
es.
I
n
p
r
o
m
o
tin
g
b
o
ar
d
in
g
h
o
u
s
e
o
p
tio
n
s
,
o
f
f
er
in
g
b
o
th
co
n
v
en
ien
ce
an
d
wid
e
r
r
ea
c
h
f
o
r
all
p
a
r
ties
in
v
o
l
v
ed
,
th
er
e
is
a
g
r
o
win
g
n
ee
d
f
o
r
a
d
ig
ital
p
latf
o
r
m
[
1
1
]
.
I
n
th
e
d
i
g
ital
ag
e,
th
e
I
n
ter
n
et
p
r
o
v
id
es
ac
ce
s
s
ib
le
an
d
r
eliab
le
in
f
o
r
m
atio
n
,
an
ef
f
icien
t
to
o
l
f
o
r
s
er
v
ices
an
d
tr
an
s
ac
tio
n
s
in
th
e
b
o
ar
d
in
g
h
o
u
s
e
in
d
u
s
tr
y
[
1
2
]
.
W
h
ile
s
ev
er
al
o
n
lin
e
p
latf
o
r
m
s
ass
is
t
in
f
in
d
in
g
h
o
u
s
in
g
,
m
o
s
t
ar
e
g
ea
r
ed
to
war
d
lo
n
g
-
te
r
m
r
en
tals
o
r
p
r
o
p
er
ty
s
ales
r
ath
er
th
a
n
s
h
o
r
t
-
ter
m
ac
c
o
m
m
o
d
atio
n
s
s
u
ited
to
s
tu
d
en
ts
.
Platfo
r
m
s
lik
e
Ho
tPad
s
[
1
3
]
,
[
1
4
]
,
Pad
Ma
p
p
e
r
[
1
5
]
,
an
d
T
r
u
lia
[
1
6
]
p
r
im
ar
ily
ca
ter
to
a
p
ar
tm
en
t
r
en
tals
o
r
h
o
m
e
s
ales,
wh
ile
s
er
v
ices lik
e
T
r
iv
ag
o
,
Z
u
m
p
er
,
an
d
Ho
u
s
i
n
g
.
c
o
m
ta
r
g
et
to
u
r
is
ts
o
r
th
o
s
e
s
ee
k
in
g
p
er
m
a
n
en
t
h
o
m
es.
I
n
th
e
Ph
ilip
p
in
es,
p
latf
o
r
m
s
s
u
ch
as
L
am
u
d
i
[
1
7
]
an
d
My
Pro
p
e
r
ty
[
1
8
]
f
o
cu
s
o
n
r
esid
en
tia
l
p
r
o
p
er
ties
,
b
u
t
th
ey
ar
e
n
o
t
ta
ilo
r
ed
to
s
tu
d
en
ts
’
s
p
ec
if
ic
n
e
ed
s
f
o
r
tem
p
o
r
ar
y
,
a
f
f
o
r
d
ab
le,
an
d
co
n
v
en
ien
tly
lo
ca
ted
ac
co
m
m
o
d
atio
n
s
.
I
n
B
ay
o
m
b
o
n
g
,
Nu
ev
a
Vizc
a
y
a,
h
o
m
e
to
m
ajo
r
ed
u
ca
tio
n
al
in
s
titu
tio
n
s
,
in
clu
d
in
g
Nu
e
v
a
Vizc
ay
a
State
Un
iv
er
s
ity
(
NVSU)
,
P
L
T
C
o
lleg
e,
I
n
c.
(
PLT
C
)
,
an
d
Sain
t
Ma
r
y
’
s
Un
iv
er
s
ity
(
SMU)
-
s
tu
d
en
ts
f
ac
e
s
im
ilar
h
o
u
s
in
g
ch
allen
g
es.
NVSU,
with
its
m
ain
ca
m
p
u
s
in
B
ay
o
m
b
o
n
g
an
d
a
s
atellite
ca
m
p
u
s
in
B
am
b
an
g
,
s
er
v
es
a
g
r
o
win
g
s
tu
d
en
t
p
o
p
u
latio
n
f
r
o
m
d
iv
er
s
e
r
eg
io
n
s
s
u
ch
as
Q
u
ir
in
o
,
I
s
ab
ela,
Nu
ev
a
E
cija,
an
d
I
f
u
g
ao
.
Acc
o
r
d
in
g
to
th
e
latest
en
r
o
llm
en
t
d
ata,
NVSU
’
s
m
ain
ca
m
p
u
s
h
o
s
ts
9
,
5
7
9
s
tu
d
en
ts
,
with
n
u
m
b
er
s
ex
p
ec
ted
to
r
is
e
in
th
e
co
m
in
g
y
ea
r
s
.
T
h
is
in
cr
ea
s
e
in
s
tu
d
en
t
p
o
p
u
la
tio
n
,
co
m
b
in
ed
with
lim
ited
a
n
d
o
f
ten
in
a
d
eq
u
ate
h
o
u
s
in
g
o
p
tio
n
s
,
u
n
d
er
s
co
r
e
s
th
e
n
ee
d
f
o
r
a
m
o
r
e
ef
f
icien
t
way
to
h
elp
s
tu
d
en
ts
lo
ca
te
s
u
itab
le
ac
co
m
m
o
d
atio
n
s
.
T
h
e
C
o
m
m
is
s
io
n
o
n
H
ig
h
er
E
d
u
ca
tio
n
’
s
(
C
HE
D)
C
MO
9
o
f
2
0
1
3
m
a
n
d
ates th
at
u
n
iv
er
s
ities
s
u
p
p
o
r
t
s
tu
d
en
ts
in
s
ec
u
r
in
g
s
af
e,
af
f
o
r
d
ab
le,
an
d
ac
ce
s
s
ib
le
h
o
u
s
in
g
[
1
9
]
.
I
n
r
esp
o
n
s
e,
NVSU
h
as
ac
k
n
o
wled
g
ed
th
e
im
p
o
r
tan
ce
o
f
p
r
o
v
id
i
n
g
m
ec
h
an
is
m
s
th
at
f
ac
ilit
ate
th
is
p
r
o
c
ess
,
r
ec
o
g
n
izin
g
th
at
ac
ce
s
s
to
s
u
itab
le
h
o
u
s
in
g
is
cr
u
cial
f
o
r
s
tu
d
en
ts
’
ac
ad
em
ic
s
u
cc
ess
an
d
well
-
b
ein
g
.
T
o
ad
d
r
ess
th
e
ab
o
v
e
-
m
e
n
tio
n
ed
ch
allen
g
es,
th
is
s
tu
d
y
p
r
o
p
o
s
ed
th
e
d
ev
elo
p
m
e
n
t,
im
p
lem
en
tatio
n
,
an
d
ev
alu
atio
n
o
f
a
g
e
o
g
r
a
p
h
ical
in
f
o
r
m
atio
n
s
y
s
tem
(
G
I
S)
-
b
ased
b
o
ar
d
in
g
h
o
u
s
e
lo
ca
to
r
,
a
web
-
b
ased
p
latf
o
r
m
th
at
ass
is
ts
NV
SU
s
tu
d
en
ts
in
ef
f
icien
tly
lo
ca
tin
g
,
co
m
p
ar
in
g
,
an
d
r
eser
v
in
g
b
o
ar
d
in
g
h
o
u
s
es
an
d
ap
ar
tm
en
ts
in
th
e
n
ea
r
b
y
u
n
iv
er
s
ity
.
T
h
e
p
latf
o
r
m
f
ea
tu
r
es
an
in
ter
ac
tiv
e
m
ap
with
r
o
u
te
d
ir
ec
tio
n
s
,
allo
win
g
s
tu
d
en
ts
to
ea
s
ily
lo
ca
te
av
ailab
le
ac
co
m
m
o
d
atio
n
s
.
I
t
p
r
o
v
id
es
d
etailed
in
f
o
r
m
atio
n
o
n
ea
ch
lis
tin
g
,
in
clu
d
in
g
d
escr
ip
tio
n
s
,
im
ag
es
,
p
r
ices,
a
n
d
p
r
o
x
im
ity
t
o
ca
m
p
u
s
.
T
h
e
p
latf
o
r
m
allo
ws
b
o
ar
d
in
g
h
o
u
s
e
o
wn
er
s
to
u
p
d
ate
th
eir
lis
tin
g
s
an
d
tr
ac
k
b
ar
an
g
ay
b
u
s
in
ess
p
e
r
m
its
to
en
s
u
r
e
co
m
p
lian
ce
with
lo
ca
l
h
o
u
s
in
g
s
tan
d
ar
d
s
.
B
y
u
tili
zin
g
th
e
G
I
S,
th
is
s
o
lu
tio
n
o
f
f
er
s
a
u
s
er
-
f
r
ien
d
ly
,
s
p
atially
in
teg
r
ated
p
latf
o
r
m
[
2
0
]
-
[
2
2
]
th
at
s
ig
n
if
ican
tly
r
e
d
u
ce
s
th
e
tim
e
an
d
ef
f
o
r
t
s
tu
d
en
ts
s
p
en
d
s
ea
r
c
h
in
g
f
o
r
ac
co
m
m
o
d
atio
n
,
u
ltima
te
ly
en
h
an
cin
g
th
eir
o
v
er
all
u
n
iv
er
s
ity
ex
p
er
ien
ce
.
2.
RE
S
E
ARCH
M
E
T
H
O
D
T
h
is
s
ec
tio
n
o
u
tlin
es
th
e
ch
r
o
n
o
lo
g
ical
r
esear
ch
d
esig
n
,
th
e
p
r
o
ce
d
u
r
es
f
o
llo
wed
,
th
e
alg
o
r
ith
m
u
s
ed
f
o
r
th
e
web
-
b
ased
p
latf
o
r
m
th
e
GI
S
-
b
ased
b
o
ar
d
in
g
h
o
u
s
e
lo
ca
to
r
,
an
d
th
e
d
ata
ac
q
u
is
itio
n
p
r
o
ce
s
s
,
d
ev
elo
p
m
e
n
t,
test
in
g
,
a
n
d
e
v
a
lu
atio
n
p
r
o
ce
d
u
r
es.
T
h
e
r
esear
ch
was
ca
r
r
ied
o
u
t
i
n
s
ev
er
a
l
s
tag
es,
in
clu
d
in
g
s
y
s
tem
d
esig
n
,
d
ev
elo
p
m
en
t,
t
esti
n
g
,
an
d
d
ata
c
o
llectio
n
,
as
d
escr
ib
ed
b
elo
w.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J I
n
f
&
C
o
m
m
u
n
T
ec
h
n
o
l
I
SS
N:
2252
-
8
7
7
6
S
ma
r
t a
cc
o
mmo
d
a
tio
n
s
o
lu
tio
n
:
in
n
o
va
tive
b
o
a
r
d
in
g
h
o
u
s
e
l
o
ca
to
r
…
(
C
a
r
melo
A
lejo
D.
B
is
q
u
era
)
3
2
.
1
.
Resea
rc
h
d
esig
n
T
h
e
s
tu
d
y
em
p
l
o
y
ed
d
esig
n
a
n
d
d
e
v
elo
p
m
en
t
m
et
h
o
d
o
lo
g
i
es
to
d
ev
el
o
p
a
web
-
b
ased
p
l
atf
o
r
m
t
h
at
u
tili
ze
d
GI
S
th
at
en
ab
led
s
tu
d
en
ts
f
r
o
m
f
ar
-
f
l
u
n
g
ar
ea
s
an
d
d
is
tan
t
p
r
o
v
in
ce
s
to
s
ea
r
ch
,
ass
es
s
,
an
d
b
o
o
k
s
u
itab
le
b
o
ar
d
in
g
h
o
u
s
es
in
th
e
v
icin
ity
o
f
t
h
eir
u
n
i
v
er
s
ity
ef
f
icien
tly
.
T
h
e
s
y
s
tem
d
esig
n
in
v
o
lv
e
d
m
u
ltip
le
co
m
p
o
n
en
ts
s
u
ch
as
a
f
r
ien
d
l
y
u
s
er
in
ter
f
ac
e,
a
s
p
atial
d
atab
ase,
a
GI
S
m
ap
p
in
g
to
o
l,
an
d
an
ad
m
in
is
tr
ativ
e
p
an
el
f
o
r
b
o
a
r
d
in
g
o
wn
er
s
,
v
is
ito
r
s
,
lo
ca
l g
o
v
e
r
n
m
en
t
u
n
it st
af
f
,
an
d
web
ad
m
in
is
tr
ato
r
s
.
T
h
e
p
r
im
ar
y
o
b
jectiv
e
was
to
cr
ea
te
a
web
-
b
ased
p
latf
o
r
m
th
at
wo
u
ld
p
r
o
v
id
e
s
tu
d
en
ts
with
an
en
g
ag
in
g
s
p
atial
in
ter
f
ac
e
s
o
t
h
at
lo
ca
tin
g
ap
p
r
o
p
r
iate
ac
co
m
m
o
d
atio
n
tak
es
less
tim
e,
le
s
s
m
o
n
ey
,
a
n
d
less
ef
f
o
r
t
[
2
3
]
.
T
h
is
s
y
s
tem
p
r
o
v
id
es
d
etailed
in
f
o
r
m
atio
n
o
n
b
o
ar
d
in
g
h
o
u
s
es,
in
clu
d
in
g
th
e
ir
p
r
o
x
im
ity
to
th
e
u
n
iv
er
s
ity
,
p
r
ices,
av
ailab
ilit
y
,
an
d
o
th
er
r
elev
an
t
f
ac
to
r
s
th
at
s
tu
d
en
ts
m
ig
h
t
co
n
s
id
er
in
g
ettin
g
th
ei
r
b
o
ar
d
in
g
h
o
u
s
e.
T
en
a
n
ts
will
b
e
in
ter
ested
in
th
is
ap
p
r
o
ac
h
s
in
ce
it
wo
u
ld
b
e
s
im
p
ler
f
o
r
th
o
s
e
lo
o
k
i
n
g
f
o
r
a
b
o
ar
d
in
g
h
o
u
s
e
to
o
b
tain
th
e
n
ec
ess
ar
y
b
o
ar
d
in
g
h
o
u
s
e
s
p
ec
if
icatio
n
s
[
2
4
]
.
2
.
2
.
Resea
rc
h
p
ro
ce
du
re
T
h
e
r
esear
ch
p
r
o
ce
d
u
r
e
c
o
u
ld
b
e
d
iv
id
e
d
in
to
s
ev
er
al
k
ey
p
h
ases
,
as sh
o
wn
b
elo
w:
a
.
P
ha
s
e
1
:
s
y
s
t
e
m
des
ig
n
T
h
e
d
e
v
elo
p
e
d
s
y
s
tem
was
d
e
s
ig
n
ed
u
s
in
g
a
clien
t
-
s
er
v
er
ar
ch
itectu
r
e
as
s
h
o
w
n
in
Fig
u
r
e
1
,
wh
er
e
th
e
clien
t
s
id
e
(
s
tu
d
en
t/v
is
ito
r
,
b
o
ar
d
in
g
h
o
u
s
e
o
wn
e
r
,
b
ar
an
g
ay
u
n
it
s
taf
f
,
an
d
NVSU
ad
m
in
is
tr
ato
r
s
)
wo
u
ld
in
ter
ac
t
with
th
e
s
er
v
er
s
h
o
s
ti
n
g
th
e
GI
S
d
atab
ase
an
d
web
s
er
v
ices.
T
h
e
d
ev
elo
p
ed
web
-
ba
s
ed
ap
p
licatio
n
co
n
tain
ed
th
e
f
o
llo
win
g
co
m
p
o
n
en
ts
:
−
Fro
n
ten
d
:
d
e
v
elo
p
e
d
u
s
in
g
HT
ML
5
,
C
SS
,
J
av
aScr
ip
t,
an
d
L
e
af
let.
js
[
2
5
]
(
f
o
r
GI
S m
a
p
p
in
g
)
.
−
B
ac
k
en
d
:
t
h
e
b
ac
k
e
n
d
was
p
o
wer
ed
b
y
No
d
e.
js
an
d
E
x
p
r
ess
f
o
r
th
e
web
s
er
v
er
,
with
My
SQL
f
o
r
th
e
d
atab
ase
to
s
to
r
e
b
o
a
r
d
in
g
h
o
u
s
e
in
f
o
r
m
atio
n
.
−
GI
S
i
n
teg
r
atio
n
:
L
ea
f
let.
js
,
an
o
p
en
-
s
o
u
r
ce
J
av
aScr
ip
t
lib
r
ar
y
f
o
r
in
ter
ac
tiv
e
m
a
p
s
,
was
u
s
ed
to
v
is
u
alize
b
o
ar
d
in
g
h
o
u
s
e
lo
ca
tio
n
s
b
ase
d
o
n
g
eo
g
r
ap
h
ical
d
ata.
Fig
u
r
e
1
is
th
e
ar
c
h
itectu
r
al
d
e
s
ig
n
f
o
r
th
e
d
ev
elo
p
ed
s
y
s
tem
:
F
ig
u
r
e
1
.
Sy
s
tem
ar
c
h
itectu
r
al
d
esig
n
Fig
u
r
e
1
s
h
o
ws
th
e
s
y
s
tem
’
s
ar
ch
itectu
r
al
d
esig
n
.
T
h
e
b
o
ar
d
in
g
h
o
u
s
e
l
o
ca
to
r
was
a
GI
S
-
b
ased
p
latf
o
r
m
d
esig
n
e
d
to
s
im
p
lify
s
ea
r
ch
in
g
f
o
r
an
d
m
an
ag
i
n
g
b
o
ar
d
in
g
h
o
u
s
e
ac
co
m
m
o
d
atio
n
s
n
ea
r
u
n
iv
er
s
ities
.
Aim
ed
at
ad
d
r
ess
in
g
th
e
n
ee
d
s
o
f
s
tu
d
en
ts
,
b
o
ar
d
in
g
h
o
u
s
e
o
wn
er
s
,
B
ar
an
g
ay
L
o
ca
l
Go
v
er
n
m
e
n
t
Un
its
(
B
L
GUs),
an
d
u
n
iv
er
s
ity
ad
m
in
is
tr
ato
r
s
,
th
e
s
y
s
tem
p
r
o
v
i
d
ed
a
n
in
te
r
ac
tiv
e,
m
ap
-
b
ased
in
ter
f
ac
e.
Stu
d
en
ts
co
u
ld
ea
s
ily
s
ea
r
ch
f
o
r
ac
co
m
m
o
d
atio
n
s
b
ased
o
n
th
eir
p
r
ef
er
en
ce
s
,
s
u
ch
as p
r
o
x
im
ity
to
th
e
u
n
iv
er
s
ity
,
p
r
ice,
b
o
ar
d
in
g
h
o
u
s
e
ty
p
e,
s
ea
r
c
h
b
y
b
ar
an
g
ay
,
a
n
d
a
v
ailab
ilit
y
,
h
elp
in
g
th
em
m
ak
e
in
f
o
r
m
e
d
h
o
u
s
in
g
d
ec
is
io
n
s
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
2
5
2
-
8
7
7
6
I
n
t J I
n
f
&
C
o
m
m
u
n
T
ec
h
n
o
l
,
Vo
l.
1
5
,
No
.
1
,
Ma
r
ch
20
2
6
:
1
-
1
2
4
No
wad
ay
s
,
th
e
b
o
a
r
d
in
g
h
o
u
s
e
in
d
u
s
tr
y
is
ex
p
an
d
i
n
g
r
a
p
id
ly
,
an
d
e
n
tr
ep
r
e
n
eu
r
s
lo
o
k
at
ce
r
tain
f
ac
to
r
s
th
at
will
h
elp
ac
h
iev
e
th
is
g
r
o
wth
.
T
h
e
u
s
e
o
f
tech
n
o
lo
g
y
lik
e
m
a
r
k
etin
g
v
ia
th
e
I
n
ter
n
et,
p
ay
m
e
n
t
s
y
s
tem
s
,
an
d
b
u
s
in
ess
ap
p
lic
atio
n
s
f
o
r
m
a
n
ag
in
g
b
o
ar
d
in
g
h
o
u
s
es
h
elp
ed
im
p
r
o
v
e
th
e
ef
f
icien
cy
o
f
th
e
o
p
er
atio
n
s
a
n
d
m
a
n
ag
em
e
n
t
o
f
th
e
b
u
s
in
ess
es
[
2
6
]
.
Ad
d
iti
o
n
ally
,
m
o
d
er
n
in
f
o
r
m
atio
n
t
ec
h
n
o
lo
g
y
h
as
also
im
p
ac
ted
n
ea
r
ly
ev
e
r
y
asp
ec
t
o
f
h
u
m
a
n
life
[
2
7
]
.
T
h
u
s
,
th
e
d
ev
elo
p
e
d
web
-
b
ased
p
latf
o
r
m
p
r
o
v
id
e
d
an
ea
s
y
-
to
-
u
s
e
in
ter
f
ac
e
f
o
r
th
e
b
o
ar
d
in
g
h
o
u
s
e
o
wn
er
s
to
m
an
ag
e
th
eir
p
r
o
p
er
ty
d
etails
an
d
ten
an
t
in
f
o
r
m
atio
n
,
in
clu
d
in
g
r
o
o
m
av
ailab
ilit
y
,
p
r
icin
g
,
a
n
d
c
o
n
tact
d
etails.
Own
er
s
co
u
ld
tr
ac
k
all
in
q
u
i
r
ies
f
r
o
m
s
tu
d
e
n
ts
,
u
p
d
ate
th
e
s
tatu
s
o
f
r
o
o
m
s
,
a
n
d
r
esp
o
n
d
to
q
u
er
ies
in
r
ea
l
-
tim
e.
T
h
e
ce
n
tr
aliza
tio
n
o
f
th
e
p
latf
o
r
m
en
s
u
r
e
d
th
at
o
n
ly
v
er
if
ied
a
n
d
u
p
-
to
-
d
ate
in
f
o
r
m
atio
n
was
av
ailab
le
to
s
tu
d
en
ts
wh
ile
en
h
a
n
cin
g
th
e
ef
f
icien
c
y
o
f
m
an
ag
in
g
p
r
o
p
er
ties
an
d
c
o
m
m
u
n
icatin
g
with
p
o
ten
tial te
n
a
n
ts
.
T
h
e
d
ev
elo
p
ed
web
-
b
ased
p
la
tf
o
r
m
p
r
o
v
id
e
d
to
o
ls
to
m
o
n
it
o
r
an
d
r
eg
u
late
b
o
ar
d
i
n
g
h
o
u
s
es
with
in
B
L
GUs
ju
r
is
d
ictio
n
.
B
L
GU
o
f
f
icials
co
u
ld
ac
ce
s
s
d
etailed
p
r
o
f
iles
o
f
b
o
ar
d
in
g
h
o
u
s
es,
tr
ac
k
b
u
s
in
ess
p
er
m
it
s
tatu
s
es,
an
d
ch
ec
k
th
eir
r
ec
o
r
d
s
to
s
ee
if
th
e
b
o
ar
d
in
g
h
o
u
s
e
h
ad
a
p
p
r
o
v
ed
p
er
m
its
th
r
o
u
g
h
th
e
p
latf
o
r
m
.
T
h
is
f
ea
tu
r
e
p
r
o
m
o
ted
r
eg
u
lato
r
y
c
o
m
p
lian
ce
an
d
en
h
an
ce
d
lo
ca
l
o
v
er
s
ig
h
t
o
f
h
o
u
s
in
g
o
p
tio
n
s
.
Un
i
v
er
s
ity
ad
m
in
is
tr
ato
r
s
also
p
ar
ticip
at
ed
in
th
e
s
y
s
te
m
b
y
v
er
if
y
in
g
b
o
a
r
d
in
g
h
o
u
s
e
d
etails
f
o
r
p
u
b
lis
h
in
g
o
n
th
e
p
latf
o
r
m
.
Ad
m
in
is
tr
ato
r
s
c
o
u
l
d
an
aly
ze
d
ata
o
n
b
o
ar
d
in
g
h
o
u
s
es
ac
r
o
s
s
d
if
f
er
en
t
b
ar
a
n
g
ay
s
to
h
elp
m
ak
e
in
f
o
r
m
e
d
d
ec
is
io
n
s
ab
o
u
t stu
d
en
t a
cc
o
m
m
o
d
atio
n
s
.
Gen
er
ally
,
th
e
web
-
b
ased
b
o
ar
d
in
g
h
o
u
s
e
lo
ca
to
r
f
o
s
ter
e
d
g
r
ea
ter
tr
an
s
p
ar
e
n
cy
,
ef
f
ici
en
cy
,
an
d
ac
ce
s
s
ib
ilit
y
in
m
an
ag
in
g
s
tu
d
en
t
h
o
u
s
in
g
.
Of
f
e
r
in
g
ac
cu
r
ate,
r
ea
l
-
tim
e
in
f
o
r
m
atio
n
f
o
r
s
tu
d
en
ts
,
s
tr
ea
m
lin
in
g
p
r
o
p
er
t
y
m
an
ag
e
m
en
t
f
o
r
o
wn
er
s
,
an
d
en
ab
lin
g
r
eg
u
lato
r
y
o
v
er
s
ig
h
t
b
y
B
L
GUs
an
d
u
n
iv
er
s
ity
ad
m
i
n
is
tr
ato
r
s
,
th
e
p
latf
o
r
m
i
m
p
r
o
v
e
d
th
e
o
r
g
an
izatio
n
an
d
m
an
a
g
em
en
t
o
f
lo
ca
l
ac
c
o
m
m
o
d
atio
n
s
.
I
t
also
h
ad
th
e
p
o
ten
tial
f
o
r
b
r
o
ad
er
ap
p
licatio
n
s
in
o
th
er
u
r
b
an
ar
ea
s
an
d
o
f
f
er
ed
a
s
ca
lab
le
s
o
lu
tio
n
to
h
o
u
s
in
g
ch
allen
g
es.
b
.
P
ha
s
e
2
:
a
lg
o
rit
h
m
a
nd
ps
eudo
co
de
T
h
e
m
ain
co
r
e
o
f
t
h
e
d
ev
elo
p
ed
s
y
s
tem
was
th
e
b
o
ar
d
in
g
h
o
u
s
e
s
ea
r
ch
alg
o
r
ith
m
,
wh
ic
h
m
atch
e
d
th
e
u
s
er
q
u
er
ies
s
u
c
h
as
p
r
o
x
i
m
ity
to
ca
m
p
u
s
,
p
r
ice
r
an
g
e,
an
d
ty
p
e
o
f
r
o
o
m
s
[
2
8
]
.
T
h
e
d
esig
n
ed
al
g
o
r
ith
m
also
allo
wed
b
o
ar
d
in
g
h
o
u
s
e
o
wn
er
s
to
u
p
d
ate
d
y
n
am
icall
y
b
o
ar
d
in
g
h
o
u
s
e
in
f
o
r
m
ati
o
n
o
r
d
etails
s
u
ch
as
p
r
ice,
n
u
m
b
er
o
f
r
o
o
m
s
,
an
d
t
en
an
t to
en
s
u
r
e
th
at
th
e
s
y
s
te
m
r
ef
lecte
d
th
e
m
o
s
t a
cc
u
r
ate
d
ata
av
ailab
le.
Th
e
s
imp
lifi
ed
p
s
eu
d
o
co
d
e
r
ep
r
esen
ta
tio
n
o
f th
e
s
ea
r
ch
a
lg
o
r
ith
m:
Alg
o
r
ith
m
: Sea
r
ch
_
B
o
ar
d
in
g
_
Ho
u
s
e
(
lo
ca
tio
n
,
p
r
iceR
a
n
g
e,
b
a
r
a
n
g
a
y,
b
h
_
typ
e
)
I
n
p
u
t: User
’
s
cu
r
r
en
t lo
ca
tio
n
,
d
esire
d
p
r
ice
r
an
g
e/b
a
r
an
g
a
y
/ty
p
e
Ou
tp
u
t: L
is
t o
f
av
ailab
le
b
o
ar
d
in
g
h
o
u
s
es so
r
ted
b
y
p
r
o
x
im
i
ty
1.
I
n
itialized
an
em
p
t
y
lis
t o
f
r
es
u
lts
.
2.
Fo
r
ea
ch
b
o
ar
d
in
g
h
o
u
s
e
in
th
e
d
atab
ase:
a.
Dis
p
lay
ed
t
h
e
u
s
er
’
s
lo
ca
tio
n
an
d
th
e
b
o
ar
d
i
n
g
h
o
u
s
e
u
s
in
g
GI
S.
b.
I
f
th
e
cr
iter
ia
(
s
ea
r
c
h
b
y
lo
ca
ti
o
n
,
b
a
r
an
g
a
y
,
p
r
ice
_
r
an
g
e,
b
h
_
ty
p
e)
m
atc
h
ed
:
i.
Ad
d
ed
th
e
b
o
ar
d
in
g
h
o
u
s
e
to
t
h
e
r
esu
lt lis
t.
3.
So
r
ted
th
e
r
esu
lt lis
t b
y
p
r
o
x
i
m
ity
.
4.
R
etu
r
n
th
e
s
o
r
ted
lis
t to
th
e
u
s
er
.
c
.
P
ha
s
e
3
:
da
t
a
a
cquis
it
io
n
Data
ac
q
u
is
itio
n
in
v
o
lv
e
d
two
p
r
im
ar
y
s
tep
s
:
1.
B
o
ar
d
in
g
h
o
u
s
e
d
ata
co
llectio
n
:
b
o
ar
d
in
g
h
o
u
s
e
o
wn
er
s
wer
e
s
u
r
v
ey
ed
to
p
r
o
v
i
d
e
th
eir
a
cc
o
m
m
o
d
atio
n
d
etails,
in
clu
d
in
g
d
escr
ip
tio
n
s
,
im
ag
es,
p
r
ices,
an
d
o
th
er
r
el
ev
an
t
in
f
o
r
m
atio
n
.
T
h
is
d
ata
was
s
to
r
ed
in
a
My
SQL
d
atab
ase
f
o
r
d
y
n
am
ic
q
u
er
y
i
n
g
.
2.
Geo
g
r
ap
h
ical
d
ata:
GI
S
d
ata
(
e.
g
.
,
co
o
r
d
in
ates
o
f
th
e
u
n
iv
er
s
ity
an
d
b
o
a
r
d
in
g
h
o
u
s
es)
was
o
b
tain
ed
u
s
in
g
L
ea
f
let
Ma
p
s
API
an
d
o
th
e
r
p
u
b
licly
av
ailab
le
g
e
o
s
p
atial
d
a
tasets
to
p
r
o
v
id
e
ac
cu
r
ate
m
ap
p
in
g
.
d
.
P
ha
s
e
4
:
d
ev
elo
pm
ent
T
h
e
s
o
f
twar
e
d
ev
elo
p
m
en
t
m
eth
o
d
o
lo
g
y
was
im
p
lem
e
n
ted
to
g
u
id
e
th
e
cr
ea
tio
n
o
f
t
h
e
p
latf
o
r
m
.
T
h
e
Ag
ile
Scr
u
m
m
eth
o
d
o
l
o
g
y
was
ch
o
s
en
f
o
r
its
f
lex
i
b
ilit
y
an
d
iter
ativ
e
ap
p
r
o
ac
h
,
wh
ich
allo
ws
f
o
r
co
n
tin
u
o
u
s
f
ee
d
b
ac
k
an
d
im
p
r
o
v
em
en
ts
.
Din
g
s
o
ey
r
et
a
l.
[
2
9
]
ass
er
ted
th
e
s
o
f
twar
e
d
ev
el
o
p
m
en
t
p
r
o
ce
s
s
was
tr
an
s
f
o
r
m
ed
b
y
th
e
ag
ile
tech
n
iq
u
e,
wh
ich
em
p
h
asizes
ad
ap
tab
ilit
y
,
ac
tiv
e
en
d
-
u
s
er
co
n
t
ac
t,
an
d
p
r
o
g
r
ess
iv
e
p
r
o
d
u
ct
d
eliv
e
r
y
.
I
ts
p
u
r
p
o
s
e
was
to
h
elp
d
ev
elo
p
er
s
m
a
n
ag
e
co
m
p
le
x
p
r
o
jects
th
at
a
d
d
r
e
s
s
th
e
g
ap
b
etwe
en
cu
s
to
m
er
n
ee
d
s
an
d
d
ev
elo
p
m
en
t
a
n
d
test
in
g
team
s
.
T
h
is
m
eth
o
d
o
lo
g
y
f
ac
ilit
ated
th
e
in
cr
em
e
n
tal
d
ev
elo
p
m
e
n
t
o
f
th
e
p
latf
o
r
m
,
en
s
u
r
in
g
th
at
it
c
o
u
ld
e
v
o
lv
e
b
ased
o
n
u
s
er
n
ee
d
s
a
n
d
f
ee
d
b
ac
k
th
r
o
u
g
h
o
u
t
t
h
e
d
ev
elo
p
m
e
n
t p
r
o
ce
s
s
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J I
n
f
&
C
o
m
m
u
n
T
ec
h
n
o
l
I
SS
N:
2252
-
8
7
7
6
S
ma
r
t a
cc
o
mmo
d
a
tio
n
s
o
lu
tio
n
:
in
n
o
va
tive
b
o
a
r
d
in
g
h
o
u
s
e
l
o
ca
to
r
…
(
C
a
r
melo
A
lejo
D.
B
is
q
u
era
)
5
T
o
m
o
d
el
th
e
s
y
s
tem
,
th
is
s
tu
d
y
u
s
ed
th
e
u
s
e
ca
s
e
d
iag
r
am
,
wh
ich
s
er
v
ed
as
t
h
e
b
l
u
ep
r
in
t
f
o
r
d
ev
elo
p
m
e
n
t.
Acc
o
r
d
in
g
to
Aler
y
an
i
[
3
0
]
,
a
u
s
e
ca
s
e
d
iag
r
am
is
a
v
is
u
al
d
ep
ictio
n
th
at
illu
s
tr
ates
h
o
w
a
s
y
s
tem
is
u
til
ized
,
d
escr
ib
in
g
th
e
ty
p
ical
in
ter
ac
tio
n
s
b
etwe
en
u
s
er
s
an
d
th
e
s
y
s
tem
.
T
h
e
s
y
s
tem
p
r
o
to
ty
p
e
was
th
en
b
u
ilt
u
s
in
g
XAM
PP
f
o
r
lo
ca
l
h
o
s
tin
g
,
My
SQL
f
o
r
th
e
b
ac
k
en
d
,
an
d
f
o
r
th
e
f
r
o
n
t
-
e
n
d
PHP
f
o
r
d
y
n
am
ic
s
cr
ip
tin
g
,
HT
ML
5
,
J
av
aScr
ip
t,
B
o
o
ts
tr
ap
,
an
d
L
ea
f
let.
js
an
o
p
en
-
s
o
u
r
ce
J
av
a
Scr
ip
t
L
ib
r
a
r
y
f
o
r
in
ter
ac
tiv
e
m
ap
s
.
T
h
e
s
y
s
tem
was
r
ig
o
r
o
u
s
ly
test
ed
as
s
tated
in
Ph
ase
5
.
Af
ter
m
ee
tin
g
th
e
clien
t
’
s
r
eq
u
ir
em
e
n
ts
,
th
e
s
y
s
tem
w
as
d
ep
lo
y
ed
in
a
liv
e
o
n
li
n
e
en
v
ir
o
n
m
en
t.
T
h
r
o
u
g
h
o
u
t
th
e
d
ev
elo
p
m
e
n
t,
th
e
r
esear
ch
er
s
iter
ativ
ely
g
at
h
er
ed
f
ee
d
b
ac
k
,
r
ev
ie
wed
p
r
o
g
r
ess
,
an
d
m
ad
e
n
ec
ess
ar
y
ad
j
u
s
tm
en
ts
to
ad
d
r
ess
ch
allen
g
es.
e
.
P
ha
s
e
5
:
t
esting
T
h
e
test
in
g
was p
er
f
o
r
m
ed
in
two
m
ain
s
tag
es:
1.
Un
it
test
in
g
:
ea
ch
co
m
p
o
n
en
t
o
f
th
e
s
y
s
tem
was
test
ed
in
d
ep
en
d
en
tly
to
en
s
u
r
e
it
f
u
n
ctio
n
s
as
ex
p
ec
ted
(
e.
g
.
,
m
a
p
in
teg
r
a
tio
n
,
u
s
er
in
p
u
t h
an
d
lin
g
,
d
ata
b
ase
q
u
er
ies).
2.
User
test
in
g
:
a
g
r
o
u
p
o
f
NV
SU
s
tu
d
en
ts
,
b
o
ar
d
in
g
h
o
u
s
e
o
wn
er
s
an
d
I
T
ex
p
er
ts
in
web
ap
p
licatio
n
d
ev
elo
p
m
e
n
t
p
ar
ticip
ated
in
u
s
ab
ilit
y
test
in
g
.
T
h
ey
u
s
ed
th
e
p
latf
o
r
m
to
s
ea
r
ch
f
o
r
b
o
ar
d
in
g
h
o
u
s
es
an
d
p
r
o
v
id
e
d
f
ee
d
b
ac
k
o
n
th
e
u
s
e
r
in
ter
f
ac
e,
f
u
n
ctio
n
ality
,
an
d
o
v
er
all
ex
p
er
ie
n
ce
.
Ad
j
u
s
tm
en
ts
wer
e
m
ad
e
b
ased
o
n
th
ei
r
f
ee
d
b
ac
k
to
im
p
r
o
v
e
u
s
ab
ilit
y
.
T
esti
n
g
was c
o
n
d
u
cted
t
o
en
s
u
r
e
th
e
p
latf
o
r
m
m
et
th
e
f
o
llo
w
in
g
cr
iter
ia:
1.
Per
f
o
r
m
an
ce
:
t
h
e
p
latf
o
r
m
lo
a
d
ed
q
u
ic
k
ly
an
d
d
is
p
lay
ed
r
esu
lts
in
r
ea
l
-
tim
e.
2.
C
o
m
p
atib
ilit
y
:
t
h
e
p
latf
o
r
m
f
u
n
ctio
n
e
d
c
o
r
r
ec
tly
ac
r
o
s
s
d
if
f
er
en
t
d
ev
ices,
b
r
o
wser
s
,
an
d
o
p
er
atin
g
s
y
s
tem
s
.
3.
Usab
ilit
y
:
t
h
e
p
latf
o
r
m
was e
a
s
y
to
u
s
e
an
d
n
av
ig
ate.
4.
R
eliab
ilit
y
:
t
h
e
s
y
s
tem
co
n
s
is
ten
tly
p
r
o
v
id
ed
ac
cu
r
ate
a
n
d
u
p
-
to
-
d
ate
b
o
a
r
d
in
g
h
o
u
s
e
in
f
o
r
m
atio
n
b
ased
o
n
u
s
er
q
u
er
ies.
5.
Po
r
tab
ilit
y
:
t
h
e
p
latf
o
r
m
co
u
l
d
b
e
ea
s
ily
d
ep
lo
y
ed
an
d
ad
a
p
ted
ac
r
o
s
s
d
if
f
er
e
n
t e
n
v
ir
o
n
m
e
n
ts
an
d
s
y
s
tem
s
.
2
.
3
.
Da
t
a
a
na
ly
s
is
T
h
e
ef
f
ec
tiv
e
n
ess
o
f
th
e
G
I
S
-
b
ased
b
o
ar
d
in
g
h
o
u
s
e
lo
ca
to
r
w
as
ev
alu
ated
th
r
o
u
g
h
b
o
th
q
u
alitativ
e
an
d
q
u
an
titativ
e
m
eth
o
d
s
:
−
Usab
ilit
y
f
ee
d
b
ac
k
:
c
o
llected
th
r
o
u
g
h
s
u
r
v
ey
s
a
n
d
i
n
ter
v
ie
ws
f
r
o
m
u
s
er
s
,
f
o
cu
s
ed
o
n
th
eir
s
atis
f
ac
tio
n
with
th
e
p
latf
o
r
m
’
s
ea
s
e
o
f
u
s
e,
f
u
n
ctio
n
ality
,
an
d
r
elev
an
ce
o
f
r
esu
lts
.
−
Per
f
o
r
m
an
ce
m
et
r
ics:
r
esp
o
n
s
e
tim
es,
ac
cu
r
ac
y
o
f
lo
ca
tio
n
m
atch
in
g
,
an
d
o
v
er
all
s
y
s
te
m
s
tab
ilit
y
wer
e
m
ea
s
u
r
ed
d
u
r
in
g
test
in
g
.
T
h
e
Fig
u
r
es
an
d
T
ab
les
illu
s
tr
ate
k
ey
co
m
p
o
n
e
n
ts
o
f
th
e
s
y
s
tem
an
d
th
e
test
in
g
r
esu
lts
.
Fig
u
r
e
2
s
h
o
ws
th
e
b
o
ar
d
i
n
g
h
o
u
s
e
in
t
er
ac
tiv
e
m
ap
lo
ca
t
o
r
,
wh
ic
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llo
ws
u
s
er
s
to
v
iew
all
av
ailab
le
b
o
ar
d
in
g
h
o
u
s
es
in
th
e
v
icin
ity
o
f
Nu
ev
a
Vizc
ay
a
State
Un
iv
er
s
ity
.
Fig
u
r
e
2
.
T
h
e
in
ter
ac
tiv
e
m
ap
d
is
p
lay
s
b
o
ar
d
in
g
h
o
u
s
e
lo
ca
ti
o
n
s
n
ea
r
NVSU
On
th
e
o
th
er
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an
d
,
Fig
u
r
e
3
s
h
o
ws
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e
b
o
ar
d
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g
h
o
u
s
e
in
ter
ac
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e
m
ap
lo
ca
tio
n
with
r
o
u
te
d
ir
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n
,
wh
ich
allo
wed
u
s
er
s
to
v
iew
d
etails
ab
o
u
t
th
e
s
elec
ted
b
o
ar
d
in
g
h
o
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s
e
as
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e
d
is
tan
ce
b
etwe
en
th
e
u
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er
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d
t
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e
ch
o
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en
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g
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o
u
s
e
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ap
.
Fig
u
r
e
4
s
h
o
ws
th
e
f
ilter
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g
f
ea
tu
r
e
o
f
th
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o
ar
d
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g
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to
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,
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ich
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e
u
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er
s
to
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ilter
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y
p
r
ice
r
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n
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e,
b
y
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ar
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g
ay
,
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y
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o
a
r
d
in
g
h
o
u
s
e
ty
p
e.
T
ab
le
1
s
h
o
ws
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
2
5
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I
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ased
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ar
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u
r
e
3
.
Scr
ee
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tiv
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ap
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lay
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with
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i
r
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ath
Fig
u
r
e
4
.
User
in
ter
f
ac
e
s
h
o
wi
n
g
f
ilter
in
g
o
p
tio
n
s
T
ab
le
1
.
C
o
m
p
a
r
is
o
n
o
f
th
e
ti
m
e
tak
en
to
f
in
d
a
s
u
itab
le
b
o
a
r
d
in
g
h
o
u
s
e
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s
in
g
tr
ad
itio
n
al
m
eth
o
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s
(
e.
g
.
,
v
i
s
itin
g
n
eig
h
b
o
r
h
o
o
d
s
)
v
s
.
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s
in
g
th
e
GI
S
-
b
ased
p
latf
o
r
m
B
a
r
a
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y
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r
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p
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7
V
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80
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.
8
4
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9
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v
e
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g
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2
h
r
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n
(
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r
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(
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)
55
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7
5
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8
2
5
T
ab
le
2
.
Su
m
m
a
r
y
o
f
th
e
test
r
esu
lt c
o
n
d
u
cted
N
o
.
I
n
d
i
c
a
t
o
r
s
C
a
t
e
g
o
r
y
m
ean
Q
u
a
l
i
t
a
t
i
v
e
d
e
s
c
r
i
p
t
i
o
n
1.
P
e
r
f
o
r
ma
n
c
e
4
.
7
5
S
t
r
o
n
g
l
y
a
g
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e
e
2.
C
o
m
p
a
t
i
b
i
l
i
t
y
4
.
6
6
S
t
r
o
n
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l
y
a
g
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e
e
3.
U
sab
i
l
i
t
y
4
.
8
3
S
t
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y
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g
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e
4.
R
e
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i
a
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t
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4
.
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2
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t
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5.
P
o
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t
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4
.
9
2
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t
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n
4
.
8
9
S
t
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o
n
g
l
y
a
g
r
e
e
Evaluation Warning : The document was created with Spire.PDF for Python.
I
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n
f
&
C
o
m
m
u
n
T
ec
h
n
o
l
I
SS
N:
2252
-
8
7
7
6
S
ma
r
t a
cc
o
mmo
d
a
tio
n
s
o
lu
tio
n
:
in
n
o
va
tive
b
o
a
r
d
in
g
h
o
u
s
e
l
o
ca
to
r
…
(
C
a
r
melo
A
lejo
D.
B
is
q
u
era
)
7
3.
RE
SU
L
T
S AN
D
D
I
SCU
SS
I
O
N
T
h
is
s
ec
tio
n
p
r
esen
ts
a
n
d
i
n
ter
p
r
ets
th
e
f
in
d
in
g
s
o
f
th
e
s
tu
d
y
in
r
elatio
n
t
o
th
e
o
b
jectiv
es
s
et
f
o
r
th
i
n
th
e
r
esear
ch
.
T
h
e
r
esu
lts
f
o
cu
s
o
n
th
e
ev
alu
atio
n
o
f
th
e
GI
S
-
en
ab
led
web
-
b
ased
b
o
ar
d
in
g
h
o
u
s
e
lo
ca
to
r
in
ter
m
s
o
f
ef
f
icien
cy
,
ef
f
ec
tiv
en
ess
,
u
s
ab
ilit
y
,
co
s
t,
an
d
o
v
er
al
l
u
s
er
s
ati
s
f
ac
tio
n
.
E
ac
h
s
u
b
s
ec
tio
n
h
ig
h
lig
h
ts
th
e
p
er
f
o
r
m
an
ce
o
f
th
e
p
latf
o
r
m
,
co
m
p
ar
es
it
with
tr
a
d
itio
n
al
m
eth
o
d
s
,
a
n
d
d
is
cu
s
s
es
th
e
im
p
licatio
n
s
o
f
th
e
r
esu
lts
in
th
e
co
n
tex
t o
f
r
elate
d
s
tu
d
ies an
d
p
r
ac
tical
ap
p
lica
tio
n
s
.
3
.
1
.
O
v
er
v
iew
o
f
pla
t
f
o
r
m
p
er
f
o
rma
nce
T
h
e
GI
S
-
b
ased
b
o
a
r
d
in
g
h
o
u
s
e
lo
ca
to
r
d
ev
el
o
p
ed
f
o
r
th
e
s
tu
d
en
ts
o
f
NVSU
en
h
an
ce
d
t
h
e
ef
f
icien
cy
an
d
ef
f
ec
tiv
en
ess
o
f
l
o
ca
tin
g
s
u
itab
le
ac
co
m
m
o
d
atio
n
n
ea
r
th
e
u
n
iv
er
s
ity
.
W
ith
th
e
h
el
p
o
f
th
e
in
ter
ac
tiv
e
web
-
b
ased
p
latf
o
r
m
,
th
e
s
t
u
d
en
ts
co
u
l
d
s
ea
r
ch
,
co
m
p
a
r
e,
an
d
b
o
o
k
b
o
ar
d
in
g
h
o
u
s
es
d
ep
en
d
in
g
o
n
g
eo
g
r
a
p
h
ical
d
is
tan
ce
,
a
n
d
c
o
s
t,
am
o
n
g
o
th
er
s
.
T
h
e
f
in
d
i
n
g
s
o
f
th
e
s
tu
d
y
illu
s
tr
ated
th
e
u
ti
lity
o
f
th
e
p
latf
o
r
m
to
s
o
lv
e
th
e
is
s
u
es
an
d
co
n
ce
r
n
s
th
at
s
tu
d
en
ts
o
f
ten
e
n
co
u
n
ter
in
th
e
s
ea
r
ch
f
o
r
l
o
w
-
co
s
t
an
d
well
-
lo
ca
ted
ac
co
m
m
o
d
atio
n
.
3
.
2
.
E
f
f
ec
t
i
v
eness
o
f
t
he
G
I
S
-
ba
s
ed
p
la
t
f
o
rm
T
h
e
m
ain
g
o
al
o
f
t
h
e
web
-
b
as
ed
p
latf
o
r
m
was
to
r
ed
u
ce
t
h
e
tim
e
an
d
ef
f
o
r
t
r
e
q
u
ir
ed
f
o
r
s
tu
d
en
ts
to
f
in
d
s
u
itab
le
ac
c
o
m
m
o
d
atio
n
s
,
esp
ec
ially
f
o
r
th
o
s
e
u
n
f
am
iliar
with
th
e
lo
ca
l
ar
ea
.
Ali
g
n
in
g
to
th
is
g
o
al,
B
alla
an
d
Ged
e
[
3
1
]
ass
er
ted
t
h
at
web
-
b
ased
th
em
atic
m
a
p
s
ar
e
am
o
n
g
th
e
m
o
s
t p
o
p
u
lar
to
o
ls
f
o
r
e
n
s
u
r
in
g
an
o
v
er
all
d
ata
v
is
u
aliza
tio
n
o
f
q
u
an
titativ
e
in
f
o
r
m
atio
n
.
T
h
e
r
esu
lts
s
h
o
wn
in
T
a
b
le
1
,
c
lear
ly
in
d
icate
d
a
s
u
b
s
tan
tial r
ed
u
ctio
n
in
tim
e
s
p
en
t f
in
d
i
n
g
ac
co
m
m
o
d
ati
o
n
s
.
3
.
2
.
1
.
T
im
e
s
a
v
ing
s
T
o
d
er
iv
e
th
e
in
f
o
r
m
atio
n
p
r
e
s
en
ted
in
T
ab
le
1
,
th
e
s
tu
d
y
i
n
v
o
lv
e
d
p
ar
ticip
an
ts
an
d
c
o
llected
d
ata
f
r
o
m
ea
ch
b
ar
an
g
ay
n
ea
r
th
e
NVSU
B
ay
o
m
b
o
n
g
C
am
p
u
s
.
T
h
e
p
ar
ticip
a
n
ts
p
r
o
v
id
e
d
d
ata
b
ased
o
n
th
eir
ex
p
er
ien
ce
s
with
t
r
ad
itio
n
al
an
d
web
-
b
ased
m
et
h
o
d
s
.
T
h
e
tim
e
tak
en
b
y
ea
ch
p
ar
tici
p
an
t
in
tr
ad
itio
n
al
m
eth
o
d
s
an
d
a
web
-
b
ased
s
y
s
tem
was
r
ec
o
r
d
ed
,
as
well
as
th
e
co
s
t
in
cu
r
r
ed
u
s
in
g
tr
ad
itio
n
al
m
eth
o
d
s
.
I
n
ad
d
itio
n
,
th
e
co
llected
f
ee
d
b
ac
k
f
r
o
m
p
a
r
ticip
an
ts
r
eg
a
r
d
in
g
th
eir
s
atis
f
ac
tio
n
with
b
o
th
m
eth
o
d
s
an
d
d
o
cu
m
e
n
ted
th
e
c
o
s
t th
ey
in
cu
r
r
ed
u
s
in
g
th
e
tr
ad
itio
n
al
m
eth
o
d
.
On
av
er
ag
e
,
s
tu
d
en
ts
u
s
in
g
t
r
ad
itio
n
al
m
eth
o
d
s
(
p
h
y
s
ically
v
is
itin
g
n
eig
h
b
o
r
h
o
o
d
s
o
r
r
ely
in
g
o
n
wo
r
d
-
of
-
m
o
u
th
)
to
o
k
s
ig
n
if
ican
tly
lo
n
g
er
to
id
en
tif
y
an
d
ev
alu
ate
b
o
ar
d
in
g
h
o
u
s
e
o
p
tio
n
s
.
T
h
e
tim
e
d
if
f
er
en
ce
was c
alcu
lated
i
n
(
1
)
.
=
(
)
−
(
−
)
(
1
)
F
o
r
in
s
tan
ce
,
in
B
ar
an
g
a
y
Do
n
Do
m
in
g
o
Ma
d
d
ela,
th
e
tim
e
d
if
f
er
en
ce
was c
o
m
p
u
ted
in
(
2
)
.
=
2ℎ
30
min
−
1
min
=
2ℎ
29
(
2
)
T
h
e
tim
e
s
av
in
g
s
wer
e
co
n
s
i
s
ten
t
ac
r
o
s
s
all
test
ed
ar
ea
s
(
Do
n
Do
m
in
g
o
Ma
d
d
ela,
Do
n
Ma
r
ian
o
Per
ez
,
Salv
ac
io
n
,
an
d
Vis
ta
Aleg
r
e)
,
wh
er
e
th
e
GI
S
p
latf
o
r
m
r
ed
u
ce
d
th
e
s
ea
r
ch
tim
e
b
y
m
o
r
e
th
an
(
2
)
h
o
u
r
s
in
m
o
s
t c
ases
.
T
h
is
f
o
r
m
u
la
was
s
elec
ted
b
e
ca
u
s
e
it
d
ir
ec
tly
co
m
p
ar
ed
th
e
tim
e
s
p
en
t
b
y
s
tu
d
en
ts
u
s
in
g
tr
ad
itio
n
al
m
eth
o
d
s
(
p
h
y
s
ical
v
is
its
o
r
wo
r
d
-
of
-
m
o
u
th
)
with
th
e
tim
e
s
p
en
t
u
s
in
g
th
e
web
-
b
ased
p
latf
o
r
m
.
T
h
e
web
-
b
ased
p
latf
o
r
m
was
ex
p
ec
ted
to
r
ed
u
ce
s
ea
r
ch
tim
e
d
u
e
to
its
u
s
e
o
f
GI
S
tech
n
o
lo
g
y
,
f
i
lter
ed
o
p
tio
n
s
,
an
d
ac
ce
s
s
to
r
ea
l
-
tim
e
in
f
o
r
m
atio
n
.
B
y
ca
lcu
latin
g
th
e
tim
e
d
if
f
er
en
ce
b
etwe
en
th
e
two
m
eth
o
d
s
,
o
n
e
c
o
u
l
d
q
u
an
tify
th
e
tim
e
s
av
in
g
s
th
e
web
-
b
ased
p
latf
o
r
m
p
r
o
v
id
ed
an
d
h
ig
h
lig
h
t
its
ef
f
icien
cy
in
lo
ca
tin
g
b
o
ar
d
i
n
g
h
o
u
s
es.
3
.
2
.
2
.
Av
er
a
g
e
t
im
e
co
m
pa
ri
s
o
n
T
h
e
av
er
a
g
e
tim
e
tak
en
u
s
in
g
tr
ad
itio
n
al
m
eth
o
d
s
ac
r
o
s
s
all
b
ar
an
g
a
y
s
was c
o
m
p
u
ted
i
n
(
3
)
.
(
)
=
(
1
5
0
m
i
n
+
1
0
5
m
i
n
+
2
0
5
m
i
n
+
2
7
0
m
i
n
)
4
(
)
=
(
730
m
i
n
)
4
(
3
)
(
)
=
182
.
5
I
n
co
n
t
r
ast,
th
e
av
er
a
g
e
tim
e
s
p
en
t u
s
in
g
th
e
GI
S
-
b
ased
p
latf
o
r
m
was c
o
m
p
u
ted
in
(
4
)
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
2
5
2
-
8
7
7
6
I
n
t J I
n
f
&
C
o
m
m
u
n
T
ec
h
n
o
l
,
Vo
l.
1
5
,
No
.
1
,
Ma
r
ch
20
2
6
:
1
-
1
2
8
(
−
)
=
(
1
m
i
n
+
2
m
i
n
+
1
m
i
n
+
1
m
i
n
)
4
(
−
)
=
(
5
m
i
n
)
4
(
4
)
(
−
)
=
1
.
25
T
h
is
illu
s
tr
ates th
at,
o
n
av
er
ag
e,
th
e
GI
S p
latf
o
r
m
s
av
ed
a
p
p
r
o
x
im
ately
1
8
1
.
2
5
m
in
u
tes p
er
s
ea
r
ch
.
T
h
e
f
o
r
m
u
la
f
o
r
av
e
r
ag
e
tim
e
was
s
elec
ted
to
clea
r
l
y
co
m
p
ar
e
th
e
tim
e
s
p
e
n
t
u
s
in
g
tr
ad
itio
n
al
m
eth
o
d
s
(
s
u
c
h
as
p
h
y
s
ical
v
i
s
its
o
r
wo
r
d
-
of
-
m
o
u
th
)
an
d
th
e
tim
e
s
p
en
t
u
s
in
g
t
h
e
web
-
b
ased
GI
S
p
latf
o
r
m
.
T
h
is
f
o
r
m
u
la
is
a
s
tan
d
ar
d
m
e
th
o
d
f
o
r
ca
lcu
latin
g
th
e
m
ea
n
o
f
a
d
ataset,
a
n
d
allo
win
g
th
e
u
s
er
to
q
u
a
n
tify
th
e
o
v
er
all
tim
e
s
av
in
g
s
f
o
r
ea
ch
a
p
p
r
o
ac
h
.
3
.
2
.
3
.
Co
s
t
s
a
v
ing
s
T
h
e
tr
ad
itio
n
al
m
eth
o
d
in
v
o
l
v
ed
s
ig
n
if
ican
t
tr
an
s
p
o
r
tatio
n
co
s
ts
d
u
e
to
th
e
n
ee
d
f
o
r
p
h
y
s
ical
s
it
e
v
is
its
.
T
h
e
co
s
t d
if
f
er
en
ce
c
o
u
ld
b
e
ca
lcu
lated
in
(
5
)
.
=
ℎ
−
−
ℎ
(
5
)
Fo
r
ex
am
p
le,
i
n
(
6
)
th
e
g
i
v
en
f
o
r
m
u
la,
th
e
co
s
t
d
if
f
er
e
n
ce
in
B
ar
an
g
ay
Do
n
D
o
m
in
g
o
Ma
d
d
ela
was:
=
50
−
20
=
30
(
6
)
T
h
e
av
er
a
g
e
co
s
t f
o
r
th
e
tr
ad
it
io
n
al
m
eth
o
d
was c
alcu
lated
u
s
in
g
in
(
7
)
.
(
)
=
(
50
+
30
+
60
+
80
)
4
(
)
=
(
220
)
4
(
7
)
(
)
=
55
I
n
co
m
p
ar
is
o
n
,
th
e
av
er
a
g
e
co
s
t o
f
u
s
in
g
th
e
web
-
b
ased
p
latf
o
r
m
was so
lv
ed
u
s
in
g
in
(
8
)
.
(
−
)
=
(
20
+
20
+
20
+
20
)
4
(
−
)
=
(
80
)
4
(
8
)
(
−
)
=
80
T
h
is
r
esu
lts
in
an
av
er
ag
e
co
s
t sav
in
g
o
f
3
5
PHP p
er
s
ea
r
c
h
wh
en
u
s
in
g
th
e
web
-
b
ased
p
la
tf
o
r
m
.
3
.
3
.
Usa
bil
it
y
a
nd
us
er
ex
perience
Feed
b
ac
k
was
co
llected
f
r
o
m
1
7
5
r
esp
o
n
d
e
n
ts
,
in
clu
d
in
g
b
o
ar
d
in
g
h
o
u
s
e
o
w
n
er
s
,
s
tu
d
en
ts
,
b
ar
an
g
ay
s
taf
f
,
an
d
I
T
ex
p
er
ts
i
n
web
a
p
p
d
e
v
elo
p
m
en
t.
Par
ticip
an
ts
wer
e
s
elec
ted
th
r
o
u
g
h
r
a
n
d
o
m
s
am
p
lin
g
t
o
en
s
u
r
e
a
r
ep
r
esen
tativ
e
s
am
p
le.
T
h
e
d
ata
wer
e
co
llected
u
s
in
g
an
o
n
lin
e
s
u
r
v
ey
q
u
esti
o
n
n
air
e
d
esig
n
ed
to
ev
alu
ate
th
e
p
latf
o
r
m
.
T
h
e
q
u
esti
o
n
s
ad
d
r
ess
ed
k
ey
q
u
ality
ch
ar
ac
ter
is
tics
,
s
u
ch
as
p
er
f
o
r
m
a
n
ce
,
co
m
p
atib
ilit
y
,
u
s
ab
ilit
y
,
r
eliab
ilit
y
,
an
d
p
o
r
t
ab
ilit
y
.
T
h
e
d
ata
wer
e
a
n
aly
z
ed
u
s
in
g
SP
SS
,
wh
er
e
th
e
m
ea
n
s
co
r
es
f
o
r
ea
c
h
q
u
ality
wer
e
ca
lcu
lated
.
T
h
e
u
s
ab
ilit
y
f
ee
d
b
ac
k
co
llec
ted
f
r
o
m
th
e
s
tu
d
en
ts
at
NVS
U
d
u
r
in
g
th
e
test
in
g
p
h
ase
s
h
o
wed
th
at
th
e
p
latf
o
r
m
was
v
er
y
u
s
er
-
f
r
ien
d
ly
,
ea
s
y
to
n
a
v
ig
ate,
an
d
h
ad
an
in
tu
itiv
e
in
te
r
f
ac
e.
Fig
u
r
es
2
-
4
s
h
o
w
th
e
in
ter
ac
tiv
e
m
ap
,
wh
ich
was
a
p
p
r
ec
iated
b
y
all
u
s
er
s
.
T
h
e
s
tu
d
en
ts
co
u
ld
s
ee
th
e
av
ailab
l
e
b
o
ar
d
in
g
h
o
u
s
es
an
d
ea
s
ily
f
in
d
th
e
o
n
es
n
ea
r
est
to
th
e
u
n
iv
er
s
ity
.
Feed
b
a
ck
f
r
o
m
u
s
ab
ilit
y
test
in
g
in
d
i
ca
ted
th
at
s
tu
d
en
ts
f
o
u
n
d
th
e
p
latf
o
r
m
ea
s
y
to
u
s
e,
p
ar
ticu
lar
ly
th
e
m
ap
-
b
ased
n
av
ig
atio
n
a
n
d
f
ilter
in
g
o
p
tio
n
s
.
T
h
e
f
ac
t
th
at
o
n
e
co
u
ld
v
iew
m
o
r
e
in
f
o
r
m
atio
n
ab
o
u
t
ea
c
h
lis
tin
g
-
in
clu
d
in
g
i
m
ag
es,
d
escr
ip
tio
n
,
an
d
p
r
icin
g
was
also
a
p
o
in
t
o
f
p
r
aise.
User
s
ex
p
r
ess
ed
h
ig
h
s
atis
f
ac
tio
n
with
th
e
f
u
n
ctio
n
ality
o
f
th
e
p
latf
o
r
m
in
g
en
e
r
al,
wh
ich
r
esu
lted
in
a
m
u
ch
ea
s
ier
p
r
o
ce
s
s
f
o
r
s
ea
r
ch
in
g
f
o
r
ac
c
o
m
m
o
d
atio
n
s
.
T
h
e
d
e
v
elo
p
ed
GI
S
-
b
ased
b
o
ar
d
in
g
h
o
u
s
e
lo
ca
to
r
was
ev
alu
ated
o
n
t
h
e
cr
iter
ia
th
a
t
in
clu
d
ed
p
er
f
o
r
m
an
ce
,
c
o
m
p
atib
ilit
y
,
u
s
ab
ilit
y
,
r
eliab
ilit
y
,
an
d
p
o
r
tab
ilit
y
.
A
s
u
r
v
ey
was
co
n
d
u
cted
o
n
1
7
5
p
a
r
ticip
an
ts
wh
o
in
clu
d
ed
I
T
ex
p
e
r
ts
,
o
wn
er
s
,
s
tu
d
en
ts
,
an
d
B
L
GUs
s
taf
f
.
T
h
e
r
esu
lts
in
T
ab
le
2
s
h
o
wed
th
at
all
th
e
cr
iter
ia
wer
e
s
tr
o
n
g
ly
m
et,
e
s
p
ec
ially
o
n
th
e
r
eliab
ilit
y
,
a
n
d
u
s
ab
ilit
y
,
wh
ich
r
ec
eiv
ed
th
e
h
ig
h
est
r
ati
n
g
s
(
4
.
9
2
)
.
T
h
e
p
latf
o
r
m
was
ef
f
icien
t
in
p
er
f
o
r
m
a
n
ce
(
4
.
7
5
)
,
an
d
co
m
p
atib
le
ac
r
o
s
s
m
ajo
r
m
o
d
er
n
b
r
o
wser
s
an
d
d
ev
ices
(
4
.
6
6
)
.
T
h
e
u
s
ab
ilit
y
r
ec
eiv
ed
a
r
atin
g
o
f
4
.
8
3
,
wit
h
th
e
u
s
er
s
p
r
aisi
n
g
t
h
e
in
t
u
i
tiv
e
in
ter
f
ac
e,
an
d
p
o
r
tab
ilit
y
also
r
ec
eiv
ed
a
h
ig
h
r
atin
g
o
f
4
.
9
2
,
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ich
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o
n
f
ir
m
ed
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at
th
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p
latf
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r
m
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tab
le
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ar
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s
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SS
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8
7
7
6
S
ma
r
t a
cc
o
mmo
d
a
tio
n
s
o
lu
tio
n
:
in
n
o
va
tive
b
o
a
r
d
in
g
h
o
u
s
e
l
o
ca
to
r
…
(
C
a
r
melo
A
lejo
D.
B
is
q
u
era
)
9
en
v
ir
o
n
m
en
ts
.
T
h
e
h
i
g
h
co
m
p
lian
ce
s
co
r
e
ac
r
o
s
s
all
ca
teg
o
r
ies
u
n
d
er
lin
es
t
h
e
e
f
f
ec
tiv
en
es
s
o
f
t
h
e
p
latf
o
r
m
in
d
eliv
er
in
g
a
r
el
iab
le,
u
s
er
-
f
r
ie
n
d
ly
ex
p
er
ien
ce
,
m
o
r
e
s
o
i
n
its
GI
S c
ap
ab
ilit
ies.
T
h
e
GI
S
-
b
ased
b
o
ar
d
in
g
h
o
u
s
e
lo
ca
to
r
g
r
ea
tly
en
h
an
ce
d
th
e
p
r
o
ce
s
s
o
f
f
in
d
in
g
s
tu
d
en
t
ac
co
m
m
o
d
atio
n
s
in
B
ay
o
m
b
o
n
g
.
A
d
d
r
ess
in
g
s
u
ch
cr
itica
l
ch
allen
g
es
as
th
e
u
n
av
aila
b
ilit
y
o
f
u
p
-
to
-
d
ate
in
f
o
r
m
atio
n
,
th
e
ab
s
en
ce
o
f
o
n
lin
e
m
a
p
p
in
g
to
o
ls
,
an
d
th
e
d
if
f
icu
lty
in
ass
ess
in
g
ac
co
m
m
o
d
atio
n
q
u
ality
,
th
e
p
latf
o
r
m
e
n
h
an
ce
d
th
e
u
s
er
ex
p
er
ien
ce
f
o
r
s
tu
d
e
n
ts
an
d
ac
co
m
m
o
d
atio
n
p
r
o
v
id
er
s
alik
e.
Dir
ec
tly
ad
d
r
ess
in
g
th
e
s
p
atial
ch
alle
n
g
es
th
at
s
tu
d
en
ts
f
ac
ed
w
h
en
s
ea
r
ch
in
g
f
o
r
n
ea
r
b
y
ac
c
o
m
m
o
d
atio
n
s
,
th
e
p
latf
o
r
m
’
s
GI
S
ca
p
ab
ilit
ies
in
clu
d
ed
in
ter
ac
tiv
e
m
ap
s
a
n
d
lo
ca
tio
n
-
b
ased
s
ea
r
c
h
es.
T
h
e
r
esu
lts
o
f
u
s
er
ev
alu
atio
n
,
esp
ec
ially
th
e
h
ig
h
r
atin
g
s
f
o
r
r
eliab
ilit
y
an
d
u
s
ab
ilit
y
,
r
ef
lecte
d
t
h
e
s
u
cc
ess
o
f
th
e
GI
S
-
b
ase
d
b
o
ar
d
in
g
h
o
u
s
e
lo
ca
to
r
i
n
m
ee
tin
g
u
s
er
n
ee
d
s
.
Mo
r
eo
v
er
,
th
e
ev
alu
atio
n
s
h
o
we
d
th
at
th
e
p
latf
o
r
m
p
r
o
v
i
d
ed
a
r
o
b
u
s
t,
h
ig
h
-
q
u
ality
s
o
l
u
tio
n
,
an
d
th
e
p
o
s
itiv
e
f
ee
d
b
ac
k
f
r
o
m
NVSU
s
tu
d
en
ts
an
d
o
th
e
r
u
s
er
s
s
u
g
g
ested
th
at
th
e
s
y
s
tem
was w
ell
-
r
ec
eiv
ed
an
d
h
a
d
th
e
p
o
ten
tial f
o
r
wid
e
r
ap
p
licatio
n
in
s
im
ilar
co
n
tex
t
s
.
3
.
4
.
Sy
s
t
e
m
perf
o
r
m
a
nce
a
n
d a
cc
ura
cy
T
h
e
p
latf
o
r
m
p
er
f
o
r
m
ed
well
in
ter
m
s
o
f
s
y
s
tem
p
er
f
o
r
m
a
n
ce
.
Du
r
in
g
test
in
g
,
th
e
p
latf
o
r
m
s
h
o
wed
s
ig
n
if
ican
t
ef
f
icien
c
y
i
n
th
e
d
eliv
er
y
o
f
r
esu
lts
.
T
h
e
p
latf
o
r
m
all
o
wed
f
o
r
q
u
ick
lo
ad
in
g
a
n
d
tim
ely
d
is
p
lay
o
f
r
esu
lts
.
Al
s
o
,
r
esp
o
n
s
e
tim
es
wer
e
lo
w
o
v
er
a
lar
g
e
n
u
m
b
er
o
f
r
eq
u
ests
.
T
h
e
s
ea
r
c
h
alg
o
r
ith
m
ap
p
lied
GI
S
d
ata
to
ca
lcu
late
th
e
d
is
tan
ce
b
etwe
en
th
e
u
s
er
’
s
p
lac
e
an
d
av
ailab
le
b
o
ar
d
in
g
h
o
u
s
es
ef
f
icien
tly
an
d
wit
h
o
u
t d
elay
.
Mo
r
eo
v
er
,
r
ea
l
-
tim
e
u
p
d
ates
o
n
th
e
s
ite
wo
u
ld
m
ea
n
th
at
s
tu
d
en
ts
will
b
e
ac
ce
s
s
in
g
th
e
m
o
s
t
cu
r
r
en
t
in
f
o
r
m
atio
n
r
elate
d
to
av
aila
b
ilit
y
an
d
p
r
ice.
T
h
e
o
w
n
er
s
o
f
th
e
b
o
ar
d
in
g
h
o
u
s
es
co
u
ld
u
p
d
ate
th
e
lis
tin
g
d
y
n
am
ically
s
o
th
at
th
e
p
latf
o
r
m
r
ef
le
cted
ac
cu
r
ate
an
d
cu
r
r
en
t
in
f
o
r
m
atio
n
.
T
h
is
ca
p
ab
ilit
y
en
s
u
r
ed
th
e
r
elev
an
ce
an
d
r
eliab
ilit
y
o
f
t
h
e
p
latf
o
r
m
wh
ich
ad
d
r
ess
ed
o
n
e
o
f
th
e
m
ajo
r
co
n
ce
r
n
s
in
o
n
lin
e
h
o
u
s
in
g
p
latf
o
r
m
s
: o
u
td
ated
o
r
in
co
r
r
e
ct
lis
tin
g
s
.
R
is
tan
to
et
a
l.
[
3
2
]
ass
er
ted
th
at
m
o
b
ile
o
n
lin
e
in
f
o
r
m
atio
n
p
latf
o
r
m
s
ar
e
m
o
r
e
ef
f
icien
t
an
d
m
o
r
e
s
u
cc
ess
f
u
l
in
in
f
o
r
m
in
g
th
e
c
o
m
m
u
n
ity
with
in
f
o
r
m
atio
n
.
Mo
r
eo
v
er
,
Ma
n
g
ca
[
3
3
]
also
ass
er
ted
th
at
web
-
b
ased
in
f
o
r
m
atio
n
s
y
s
tem
s
p
r
o
v
id
e
s
ca
lab
ilit
y
,
co
s
t
-
ef
f
ec
t
iv
en
ess
,
in
cr
ea
s
ed
s
ec
u
r
ity
,
an
d
b
etter
ch
an
c
es f
o
r
co
o
p
e
r
atio
n
a
n
d
co
m
m
u
n
icat
io
n
.
3
.
5
.
T
ra
ditio
na
l v
s
.
G
I
S
-
ba
s
ed
s
ea
rc
h m
et
ho
ds
co
m
pa
ra
t
iv
e
a
na
ly
s
is
T
h
e
co
m
p
a
r
ativ
e
an
aly
s
is
b
e
twee
n
tim
e
o
v
er
c
o
s
t
p
r
esen
ted
in
T
ab
le
1
f
u
r
th
er
u
n
d
e
r
lin
ed
th
e
ad
v
an
tag
es
o
f
th
e
GI
S
-
b
ased
p
latf
o
r
m
in
co
m
p
ar
is
o
n
to
th
e
tr
ad
itio
n
al
s
ea
r
ch
m
eth
o
d
s
f
o
r
ac
co
m
m
o
d
atio
n
s
.
C
o
m
p
ar
ed
to
co
n
v
en
tio
n
al
m
e
th
o
d
s
,
wh
er
e
m
u
c
h
tim
e
m
u
s
t
b
e
in
v
e
s
ted
in
th
e
r
esu
lt
o
f
a
ctu
al
s
ite
v
is
it
s
,
th
e
GI
S
-
b
ased
p
latf
o
r
m
r
ep
r
esen
ts
a
d
ig
ital so
lu
tio
n
th
at
s
av
es ti
m
e
an
d
ef
f
o
r
t.
−
T
im
e
s
av
in
g
s
:
th
e
p
latf
o
r
m
s
a
v
ed
an
av
e
r
ag
e
o
f
1
8
1
.
2
5
m
in
u
tes
p
er
s
ea
r
ch
,
m
a
k
in
g
th
e
ac
co
m
m
o
d
atio
n
s
ea
r
ch
p
r
o
ce
s
s
m
o
r
e
ef
f
icien
t.
−
C
o
s
t
s
av
in
g
s
:
th
e
tr
ad
itio
n
al
m
eth
o
d
co
s
t
an
av
e
r
ag
e
o
f
5
5
PHP,
wh
ile
th
e
GI
S
-
b
ased
p
latf
o
r
m
co
s
t
an
av
er
ag
e
o
f
2
0
PHP,
an
d
s
av
ed
3
5
PHP o
n
av
e
r
ag
e
p
e
r
s
ea
r
ch
.
−
Satis
f
ac
tio
n
im
p
r
o
v
em
en
ts
:
u
s
er
r
atin
g
s
f
o
r
th
e
tr
a
d
itio
n
al
ap
p
r
o
ac
h
,
o
n
av
er
a
g
e,
s
co
r
e
an
av
e
r
ag
e
s
atis
f
ac
tio
n
o
f
2
.
7
5
,
wh
er
ea
s
,
i
n
th
e
ca
s
e
o
f
th
e
GI
S
-
b
ased
p
latf
o
r
m
,
th
e
u
s
er
g
o
t a
n
av
er
ag
e
s
atis
f
ac
tio
n
o
f
4
.
8
2
5
an
d
was h
i
g
h
ly
s
atis
f
ied
.
T
h
ese
o
u
tco
m
es
g
a
v
e
ev
id
e
n
c
e
th
at
u
tili
zin
g
th
e
GI
S
-
b
ased
p
latf
o
r
m
s
av
e
d
a
s
ig
n
if
ican
t
am
o
u
n
t
o
f
tim
e
an
d
m
o
n
ey
s
p
en
t
wh
ile
im
p
r
o
v
i
n
g
th
e
q
u
ality
a
n
d
ex
p
er
ien
ce
o
f
th
e
s
er
v
ice
r
ec
eiv
e
d
b
y
s
tu
d
e
n
ts
wh
o
f
o
u
n
d
o
r
l
o
o
k
e
d
f
o
r
ac
co
m
m
o
d
atio
n
in
p
r
o
x
im
ity
to
NVSU
B
ay
o
m
b
o
n
g
C
am
p
u
s
.
3
.
6
.
I
m
pli
ca
t
i
o
ns
f
o
r
s
t
ud
ent
a
cc
o
mm
o
da
t
io
n so
lutio
ns
T
h
e
s
u
cc
ess
o
f
th
is
GI
S
-
b
ase
d
p
latf
o
r
m
h
eld
s
ig
n
if
ica
n
t
im
p
licatio
n
s
f
o
r
s
tu
d
en
t
ac
co
m
m
o
d
atio
n
s
o
lu
tio
n
s
,
p
ar
ticu
lar
ly
in
r
e
g
io
n
s
with
u
n
d
er
s
er
v
ed
o
r
d
if
f
ic
u
lt
h
o
u
s
in
g
m
ar
k
ets.
T
h
is
p
latf
o
r
m
r
ep
r
esen
ted
a
r
ep
licab
le
m
o
d
el
t
h
at
o
th
er
u
n
iv
er
s
ities
o
r
ed
u
ca
tio
n
al
in
s
t
itu
tio
n
s
,
esp
ec
ially
in
r
u
r
al
o
r
u
n
d
er
s
er
v
ed
ar
ea
s
,
m
ig
h
t
u
s
e,
wh
er
e
s
tu
d
en
ts
s
im
ilar
ly
f
ac
e
ch
allen
g
es
in
ac
ce
s
s
in
g
an
d
f
in
d
in
g
ac
co
m
m
o
d
atio
n
s
.
W
ith
a
d
ig
ital
s
o
lu
tio
n
in
teg
r
atin
g
g
eo
s
p
atia
l
d
ata
with
u
s
er
-
ce
n
tr
ic
f
ea
tu
r
es,
th
e
p
latf
o
r
m
co
u
ld
b
e
e
x
ten
d
ed
in
to
o
th
er
r
eg
io
n
s
o
r
c
u
s
to
m
iz
ed
to
ac
c
o
m
m
o
d
ate
a
r
a
n
g
e
o
f
d
if
f
er
en
t
s
tu
d
en
t
n
ee
d
s
.
E
m
b
ed
d
in
g
a
m
ap
m
a
y
f
ac
ilit
ate
n
av
ig
atio
n
an
d
in
f
o
r
m
th
e
p
o
p
u
latio
n
r
eg
a
r
d
in
g
th
e
b
o
ar
d
i
n
g
h
o
u
s
e
lo
ca
tio
n
.
Als
o
,
Sar
i
et
a
l.
[
3
4
]
ass
er
ted
th
at
m
ap
s
h
o
ws
r
elev
an
t
in
f
o
r
m
atio
n
lik
e
wh
er
e
b
o
ar
d
in
g
h
o
u
s
es
ar
e
lo
ca
ted
,
p
u
b
lic
tr
an
s
p
o
r
tatio
n
,
an
d
o
th
er
am
en
ities
in
th
e
ar
ea
.
Mo
r
eo
v
er
,
th
e
p
latf
o
r
m
m
ig
h
t
s
er
v
e
as
a
u
s
ef
u
l
r
eso
u
r
ce
in
th
e
m
o
n
ito
r
in
g
an
d
r
eg
u
latio
n
o
f
b
o
ar
d
in
g
h
o
u
s
e
f
a
cilities
f
o
r
th
e
u
n
iv
e
r
s
ities
an
d
lo
ca
l
g
o
v
e
r
n
m
e
n
t.
B
o
ar
d
in
g
h
o
u
s
e
o
wn
er
s
wo
u
ld
b
e
a
b
le
to
u
p
d
ate
lis
tin
g
s
an
d
m
o
n
ito
r
b
u
s
in
ess
p
er
m
its
as
well,
en
s
u
r
in
g
th
ey
ad
h
e
r
e
to
lo
ca
l
h
o
u
s
in
g
laws wh
ile
h
elp
in
g
to
cr
ea
te
a
m
o
r
e
s
ec
u
r
e
a
n
d
o
r
d
er
ly
liv
in
g
ar
r
an
g
e
m
en
t
f
o
r
s
tu
d
en
ts
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
2
5
2
-
8
7
7
6
I
n
t J I
n
f
&
C
o
m
m
u
n
T
ec
h
n
o
l
,
Vo
l.
1
5
,
No
.
1
,
Ma
r
ch
20
2
6
:
1
-
1
2
10
3
.
7
.
L
im
it
a
t
io
ns
a
nd
f
uture
wo
rk
T
h
e
s
tu
d
y
h
ad
lim
itatio
n
s
d
es
p
ite
th
e
p
o
s
itiv
e
r
esu
lts
.
C
u
r
r
en
tly
,
th
e
p
latf
o
r
m
o
n
ly
ca
te
r
s
to
NVSU
s
tu
d
en
ts
an
d
its
s
u
r
r
o
u
n
d
i
n
g
a
r
ea
s
,
an
d
wh
eth
er
it
co
u
ld
b
e
ap
p
lied
to
o
th
er
r
eg
io
n
s
o
r
u
n
iv
er
s
ities
h
as
y
et
to
b
e
test
ed
.
Fu
r
th
er
wo
r
k
co
u
l
d
b
e
in
v
o
lv
e
d
in
e
x
p
an
d
in
g
th
e
p
latf
o
r
m
to
o
th
er
ed
u
c
atio
n
al
in
s
titu
tio
n
s
.
Mo
r
eo
v
er
,
th
e
r
elian
ce
o
f
th
e
p
latf
o
r
m
o
n
in
ter
n
et
ac
ce
s
s
m
ig
h
t
lim
it
its
u
s
e
b
y
s
tu
d
en
ts
in
ar
ea
s
with
p
o
o
r
co
n
n
ec
tiv
ity
.
Op
tim
izin
g
th
e
p
latf
o
r
m
f
o
r
o
f
f
lin
e
ac
ce
s
s
o
r
m
o
b
ile
in
teg
r
atio
n
co
u
l
d
h
elp
b
r
i
d
g
e
t
h
is
lim
itatio
n
an
d
in
cr
ea
s
e
ac
ce
s
s
ib
ilit
y
.
4.
CO
NCLU
SI
O
N
T
h
e
web
-
b
ased
GI
S
-
b
ased
b
o
ar
d
in
g
h
o
u
s
e
lo
ca
to
r
d
ev
elo
p
ed
f
o
r
s
tu
d
en
ts
o
f
NVSU
ad
d
r
ess
ed
th
e
is
s
u
es
an
d
co
n
ce
r
n
s
o
f
f
in
d
i
n
g
co
m
f
o
r
tab
le
an
d
af
f
o
r
d
ab
l
e
s
tu
d
en
t
ac
co
m
m
o
d
atio
n
ap
p
r
o
p
r
iately
.
R
esu
lt
s
f
r
o
m
th
is
s
tu
d
y
co
n
f
ir
m
ed
th
at
th
e
p
latf
o
r
m
p
r
o
v
id
e
d
a
n
ef
f
ec
tiv
e
m
ea
n
s
o
f
s
tr
ea
m
lin
ed
ac
co
m
m
o
d
atio
n
s
ea
r
ch
b
y
r
ed
u
cin
g
ef
f
o
r
t
an
d
tim
e
in
lo
ca
tin
g
ac
ce
s
s
ib
le
h
o
u
s
in
g
f
o
r
s
tu
d
e
n
ts
.
T
h
e
p
latf
o
r
m
p
r
o
v
id
e
d
s
p
atially
-
r
ef
er
en
ce
d
r
ea
l
-
tim
e
d
ata
t
h
r
o
u
g
h
an
in
ter
f
ac
e
th
at
was
in
tu
itiv
e
a
n
d
f
o
llo
wed
th
e
m
ain
o
b
jectiv
e
s
tated
ab
o
v
e
cr
ea
tin
g
a
m
o
r
e
a
cc
ess
ib
le,
ef
f
icien
t,
an
d
ea
s
y
-
to
-
u
s
e
h
o
u
s
in
g
s
ea
r
ch
p
latf
o
r
m
.
T
h
e
r
esu
lts
s
h
o
wed
th
at
b
y
u
s
in
g
th
e
GI
S
-
b
ased
ac
co
m
m
o
d
atio
n
s
ea
r
ch
p
latf
o
r
m
,
s
tu
d
en
t
s
co
u
ld
g
et
th
eir
ac
co
m
m
o
d
ati
o
n
in
ju
s
t o
n
e
f
r
ac
tio
n
o
f
th
e
tim
e
wh
en
c
o
m
p
ar
ed
to
th
e
c
o
n
v
e
n
tio
n
al
m
o
d
es.
Fo
r
in
s
tan
ce
,
with
in
s
o
m
e
ar
ea
s
,
it
s
h
o
r
ten
ed
th
e
s
ea
r
ch
tim
e
f
r
o
m
2
h
o
u
r
s
an
d
3
0
m
in
u
tes
to
ju
s
t
1
m
in
u
te.
T
h
is
tim
e
-
s
av
in
g
b
en
e
f
it
was
a
test
am
en
t
to
th
e
s
u
cc
ess
o
f
th
e
p
latf
o
r
m
in
s
o
lv
in
g
th
e
in
e
f
f
icien
cies
th
at
h
ad
b
ee
n
ass
o
ciate
d
with
p
r
ev
io
u
s
p
r
ac
tices in
h
o
u
s
in
g
s
ea
r
ch
,
wh
ich
r
elied
o
n
p
h
y
s
ical
s
ite
v
i
s
its
a
n
d
u
n
v
e
r
if
ied
wo
r
d
-
of
-
m
o
u
th
r
ec
o
m
m
en
d
atio
n
s
.
T
h
e
p
latf
o
r
m
’
s
r
ea
l
-
tim
e
u
p
d
ates,
ac
cu
r
ate
d
is
tan
ce
ca
lcu
l
atio
n
s
,
an
d
f
ilter
in
g
o
p
tio
n
s
allo
w
s
tu
d
en
ts
to
m
a
k
e
in
f
o
r
m
e
d
d
ec
is
io
n
s
q
u
ick
ly
,
th
u
s
f
u
lf
illi
n
g
th
e
e
x
p
ec
tatio
n
s
.
Ad
d
itio
n
ally
,
th
e
p
latf
o
r
m
s
h
o
wed
g
o
o
d
s
tr
en
g
th
i
n
q
u
ality
attr
ib
u
tes,
in
clu
d
in
g
p
er
f
o
r
m
an
ce
,
an
d
r
eliab
ilit
y
.
T
h
u
s
,
it
in
d
icate
d
its
ca
p
ab
ilit
y
as
a
to
o
l
f
o
r
s
tu
d
e
n
ts
.
Hig
h
u
s
ab
ilit
y
r
atin
g
s
an
d
p
o
r
tab
ilit
y
r
atin
g
s
r
ein
f
o
r
ce
d
th
e
r
eliab
ilit
y
an
d
a
d
ap
tab
ilit
y
o
f
th
e
p
latf
o
r
m
.
I
n
th
e
f
u
tu
r
e,
th
e
s
u
cc
ess
o
f
th
is
p
latf
o
r
m
i
n
NVSU,
wo
u
ld
s
er
v
e
as
a
s
tar
tin
g
p
o
in
t
f
o
r
e
n
h
an
ci
n
g
its
a
p
p
lic
ab
ilit
y
f
o
r
u
s
ag
e
in
o
th
er
u
n
iv
er
s
ities
o
r
ar
ea
s
.
T
h
e
GI
S
-
b
ased
p
latf
o
r
m
m
o
d
el
will
b
e
a
d
ap
tab
le
to
m
e
et
ac
co
m
m
o
d
atio
n
c
h
allen
g
e
s
s
im
ilar
to
th
ese
p
r
o
b
lem
s
in
u
n
d
e
r
d
ev
elo
p
ed
an
d
r
u
r
al
ar
ea
s
,
h
av
in
g
g
r
ea
t
p
o
ten
tial
as
a
s
o
u
r
ce
o
f
v
alu
e
f
o
r
ed
u
ca
tio
n
al
in
s
titu
tio
n
s
ev
er
y
wh
er
e.
Fu
r
th
er
ex
p
a
n
s
io
n
o
f
th
e
p
latf
o
r
m
t
o
r
ea
ch
o
th
er
u
n
i
v
er
s
ities
an
d
r
eg
io
n
s
m
ay
h
elp
r
ef
in
e
its
f
ea
tu
r
es
s
o
th
at
it
w
o
u
ld
b
e
ap
p
licab
le
i
n
m
o
r
e
d
i
v
er
s
e
s
tu
d
en
t
h
o
u
s
in
g
s
itu
atio
n
s
an
d
im
p
r
o
v
e
its
f
u
n
ctio
n
ality
.
I
n
co
n
clu
s
io
n
,
th
e
GI
S
-
b
ased
b
o
ar
d
in
g
h
o
u
s
e
lo
ca
to
r
h
ad
m
et
all
th
e
ex
p
ec
tatio
n
s
s
et
o
u
t.
T
h
is
p
latf
o
r
m
h
as
im
p
r
o
v
ed
t
h
e
ac
co
m
m
o
d
atio
n
s
ea
r
ch
p
r
o
ce
s
s
f
o
r
NVSU
s
tu
d
en
ts
an
d
wo
u
ld
lik
ely
to
h
av
e
wid
er
ap
p
licab
ilit
y
in
o
th
er
u
n
iv
er
s
it
ies
an
d
r
eg
i
o
n
s
th
at
f
ac
e
s
im
ilar
h
o
u
s
in
g
c
h
allen
g
es.
T
h
e
s
u
cc
ess
f
u
l
o
u
tco
m
e
o
f
th
is
s
tu
d
y
co
m
b
i
n
ed
with
p
r
o
s
p
ec
ts
f
o
r
f
u
t
u
r
e
d
ev
elo
p
m
en
t
an
d
ap
p
licatio
n
in
d
icate
s
a
s
tr
o
n
g
p
o
s
s
ib
ilit
y
f
o
r
th
is
p
latf
o
r
m
to
ass
u
m
e
an
im
p
o
r
tan
t r
o
le
in
d
ev
elo
p
in
g
m
o
r
e
ef
f
ici
en
t
an
d
a
cc
ess
ib
le
s
o
lu
tio
n
s
f
o
r
s
tu
d
en
t a
cc
o
m
m
o
d
atio
n
in
th
e
f
u
tu
r
e
.
ACK
NO
WL
E
DG
E
M
E
NT
S
Ou
r
s
in
ce
r
e
ap
p
r
ec
iatio
n
g
o
e
s
to
th
e
Nu
ev
a
Vizc
ay
a
State
Un
iv
er
s
ity
–
R
esear
ch
,
E
x
te
n
s
io
n
,
an
d
T
r
ain
in
g
f
o
r
en
co
u
r
ag
in
g
u
s
,
th
e
f
ac
u
lty
m
em
b
er
s
,
t
o
s
u
b
m
it
an
d
p
r
esen
t
o
u
r
r
esear
ch
p
r
o
jects
th
r
o
u
g
h
th
e
Un
iv
er
s
ity
I
n
-
Ho
u
s
e
R
ev
iew,
as we
ll a
s
f
o
r
p
r
o
v
i
d
in
g
f
i
n
an
c
ial
s
u
p
p
o
r
t.
W
e
ex
p
r
ess
u
tm
o
s
t
g
r
atitu
d
e
t
o
o
u
r
p
r
im
a
r
y
s
tak
eh
o
ld
e
r
s
an
d
b
en
ef
iciar
ies
in
th
e
b
ar
an
g
a
y
s
o
f
Do
n
Do
m
in
g
o
Ma
d
d
ela,
Do
n
Ma
r
ian
o
Per
ez
,
Salv
ac
io
n
,
an
d
Vis
ta
Aleg
r
e.
Sp
ec
ial
th
an
k
s
to
th
e
B
ar
an
g
ay
C
ap
tain
s
wh
o
p
r
o
v
id
e
d
ce
r
tif
icatio
n
to
p
r
o
ce
ed
,
th
e
B
ar
an
g
ay
Secr
etar
ies
wh
o
ass
is
ted
u
s
with
th
e
lis
t
o
f
r
eg
is
ter
ed
b
o
ar
d
in
g
h
o
u
s
es,
a
n
d
th
e
b
o
a
r
d
in
g
h
o
u
s
e
o
w
n
er
s
wh
o
g
e
n
er
o
u
s
ly
d
e
d
icate
d
th
ei
r
tim
e
a
n
d
ef
f
o
r
t
to
s
h
ar
e
ess
en
tial d
etails.
W
e
ar
e
also
g
r
atef
u
l to
th
e
s
tu
d
en
ts
wh
o
p
ar
ticip
ated
in
th
e
e
v
alu
ati
o
n
test
s
.
F
UNDING
I
NF
O
R
M
A
T
I
O
N
Au
th
o
r
s
s
tate
n
o
f
u
n
d
in
g
in
v
o
lv
ed
.
AUTHO
R
CO
NT
RI
B
UT
I
O
NS ST
A
T
E
M
E
N
T
T
h
is
jo
u
r
n
al
u
s
es
th
e
C
o
n
tr
ib
u
to
r
R
o
les
T
ax
o
n
o
m
y
(
C
R
ed
iT)
to
r
ec
o
g
n
ize
in
d
iv
id
u
al
au
th
o
r
co
n
tr
ib
u
tio
n
s
,
r
ed
u
ce
au
th
o
r
s
h
ip
d
is
p
u
tes,
an
d
f
ac
ilit
ate
co
llab
o
r
atio
n
.
Evaluation Warning : The document was created with Spire.PDF for Python.