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f
AB
C
alg
o
r
ith
m
i
n
lo
ad
b
alan
cin
g
p
u
r
p
o
s
e
T
h
is
r
ev
i
ew
p
ap
e
r
c
o
n
at
io
n
in
f
o
r
m
atio
n
a
b
o
u
t
A
B
C
alg
o
r
ith
m
,
I
t
is
u
s
e
d
f
o
r
lo
a
d
b
alan
c
in
g
p
u
r
p
o
s
e
.
I
t
o
r
g
an
iz
ed
lik
e
as
s
e
cti
o
n
1
I
n
tr
o
d
u
cti
o
n
,
Se
cti
o
n
2
Pr
elim
in
ar
y
Secti
o
n
3
,
A
B
C
al
g
o
r
i
th
m
Sectio
n
4
,
I
m
p
lem
en
tatio
n
o
f
A
B
C
an
d
S
ec
ti
o
n
5
A
b
o
u
t im
p
o
r
t
an
t
r
esu
l
t.
2.
P
RE
L
I
M
I
NARY
I
n
t
h
is
s
ec
tio
n
,
w
e
d
ef
in
e
s
o
m
e
b
asic
an
d
r
elate
d
ter
m
i
n
o
lo
g
y
ab
o
u
t
A
B
C
an
d
lo
ad
b
a
lan
ci
n
g
in
clo
u
d
co
m
p
u
ti
n
g
.
2
.
1
.
Alg
o
rit
h
m
C
o
n
s
is
t
s
o
f
r
u
les
w
h
ich
ar
e
u
s
ed
f
o
r
s
o
lv
i
n
g
p
r
o
b
le
m
s
in
a
f
i
n
ite
n
u
m
b
er
o
f
s
tep
s
.
A
l
g
o
r
ith
m
s
ar
e
s
et
o
f
th
e
f
o
r
m
u
la
u
s
ed
f
o
r
s
o
lv
in
g
p
r
o
b
le
m
s
o
n
th
e
b
asis
o
f
s
eq
u
e
n
ce
an
d
s
p
ec
i
f
ic
ac
ti
o
n
.
T
h
ese
k
in
d
s
o
f
p
r
o
g
r
am
s
o
r
al
g
o
r
ith
m
s
ar
e
f
r
eq
u
en
tl
y
u
s
ed
in
in
f
o
r
m
at
io
n
t
ec
h
n
o
lo
g
y
[
5
]
.
A
s
et
o
f
u
n
a
m
b
ig
u
o
u
s
i
n
s
tr
u
ctio
n
th
at
is
u
s
ed
f
o
r
a
g
iv
en
s
et
o
f
in
s
tr
u
ctio
n
an
d
p
er
f
o
r
m
ed
a
n
ac
tio
n
to
ac
h
iev
e
ce
r
tain
g
o
als
th
at
h
a
v
e
b
ee
n
r
ec
o
g
n
izab
le
[
6
]
.
No
r
m
all
y
a
lg
o
r
ith
m
s
ar
e
clas
s
i
f
ied
i
n
to
th
r
ee
g
r
o
u
p
s
F
ig
u
r
e
1
s
h
o
ws
t
h
e
cl
as
s
i
f
icatio
n
o
f
th
e
al
g
o
r
ith
m
.
Fig
u
r
e
1
.
C
lass
if
ica
tio
n
o
f
t
h
e
alg
o
r
ith
m
2
.
2
.
H
euristic
a
lg
o
rit
h
m
Used
a
s
i
m
p
le
ap
p
r
o
ac
h
to
s
o
l
v
e
t
h
e
p
r
o
b
le
m
s
b
y
s
o
l
v
in
g
le
ar
n
in
g
a
d
is
co
v
er
in
g
t
h
at
s
i
m
p
le
m
et
h
o
d
,
n
o
t
s
u
r
e
f
o
r
th
e
s
u
f
f
icie
n
t
r
es
u
lt.
A
h
eu
r
i
s
tic
tech
n
iq
u
e
u
s
e
d
f
o
r
s
p
ee
d
u
p
th
e
p
r
o
ce
s
s
.
W
e
ca
n
s
a
y
th
e
y
ar
e
u
s
ed
f
o
r
s
h
u
t
c
u
t
f
o
r
ti
m
e.
H
eu
r
is
tic
p
r
o
b
le
m
s
a
r
e
d
ep
en
d
en
t
tec
h
n
iq
u
e
s
u
c
h
as
s
o
m
e
p
r
o
b
lem
s
ar
e
u
s
ed
to
s
o
lv
e
ad
ap
ted
u
s
i
n
g
n
o
r
m
al
f
o
r
m
u
la
a
n
d
t
h
ese
p
r
o
b
lem
s
a
r
e
to
o
g
r
ee
d
y
a
n
d
u
s
u
a
ll
y
,
g
et
tr
ap
p
ed
in
lo
ca
l
o
p
tim
u
m
an
d
f
ail
i
n
g
lo
b
al
o
p
ti
m
u
m
[
7
]
.
2
.
3
.
M
et
heuris
t
ics
I
s
p
r
o
b
lem
s
i
n
d
ep
en
d
en
t
tec
h
n
iq
u
e
it
d
o
es
n
o
t
tak
e
an
y
s
p
ec
i
f
icit
y
o
f
an
y
p
r
o
b
le
m
s
,
it
ca
n
b
e
u
s
ed
as
a
b
lack
b
o
x
,
t
h
e
y
ar
e
n
o
t
g
r
ee
d
y
.
A
m
et
h
eu
r
i
s
tic
i
s
a
h
i
g
h
-
l
ev
el
p
r
o
b
le
m
i
n
d
ep
en
d
en
t
a
lg
o
r
ith
m
;
it
d
eli
v
er
s
a
s
et
o
f
r
u
le
f
o
r
th
e
d
ev
elo
p
m
e
n
t o
f
o
p
ti
m
izatio
n
p
r
o
b
lem
s
[
8
]
.
2
.
4
.
H
y
brid
a
lg
o
rit
h
m
I
s
th
e
m
ix
tu
r
e
o
f
t
w
o
o
r
m
o
r
e
th
an
o
f
alg
o
r
it
h
m
,
th
e
y
s
o
l
v
e
d
th
e
s
a
m
e
p
r
o
b
lem
s
.
I
t
d
o
es
n
o
t
r
is
e
to
s
i
m
p
le
co
ale
s
cin
g
n
u
m
er
o
u
s
a
lg
o
r
ith
m
s
to
d
ec
ip
h
er
a
d
if
f
er
en
t
p
r
o
b
le
m
a
n
d
m
a
y
al
g
o
r
ith
m
u
s
ed
f
o
r
s
o
lv
i
n
g
th
e
s
a
m
e
p
r
o
b
le
m
s
b
u
t
h
y
b
r
id
u
s
ed
to
s
o
lv
e
t
h
o
s
e
p
r
o
b
le
m
s
in
a
b
etter
w
a
y
.
No
r
m
all
y
a
n
i
m
al
s
ar
e
liv
i
n
g
in
g
r
o
u
p
f
o
r
m
a
s
co
m
p
ar
e
i
n
d
i
v
id
u
als
b
ec
a
u
s
e
if
t
h
e
y
ar
e
i
n
t
h
e
g
r
o
u
p
f
r
o
m
t
h
e
n
ca
n
s
o
l
v
e
th
eir
p
r
o
b
le
m
s
as
co
m
p
ar
i
n
g
i
n
d
iv
id
u
als
an
d
t
h
e
y
p
r
o
tecte
d
th
e
m
s
el
f
ea
s
il
y
an
d
b
etter
[
9
]
.
R
ec
e
n
tl
y
t
h
e
th
eo
r
y
o
f
s
el
f
–
an
o
r
g
an
izatio
n
in
a
n
i
m
al
b
e
h
a
v
io
r
an
d
t
h
e
s
t
u
d
y
o
f
co
lle
ctiv
e
b
eh
a
v
io
r
h
a
s
p
r
o
m
o
te
d
s
o
lv
in
g
d
i
f
f
er
en
t
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2252
-
8
9
3
8
IJ
-
A
I
Vo
l.
8
,
No
.
2
,
J
u
n
e
201
9
:
156
–
1
6
7
158
p
r
o
b
lem
s
.
O
n
th
at
b
asi
s
,
a
d
if
f
er
en
t
al
g
o
r
ith
m
is
d
esi
g
n
ed
an
d
u
s
ed
in
d
i
f
f
er
e
n
t
f
ield
s
.
S
w
ar
m
i
n
telli
g
e
n
ce
(
SI)
o
n
e
o
f
t
h
e
m
ain
d
is
cip
l
in
es
o
f
ar
ti
f
icial
in
te
llig
e
n
ce
(
A
I
)
,
b
ased
on
m
u
lti
-
ag
e
n
t
s
y
s
te
m
in
s
p
ir
ed
b
y
th
e
b
e
h
av
io
r
o
f
s
o
cial
i
n
s
ec
t
s
s
u
ch
as
an
t
s
,
b
ee
,
w
a
s
p
s
a
n
d
as
w
el
l
as
a
n
i
m
a
ls
li
k
e
f
lo
ck
s
,
f
i
s
h
[
1
0
]
.
W
ith
th
e
h
elp
o
f
co
llecti
v
e
b
eh
a
v
io
r
an
d
d
ec
en
tr
alize
d
an
d
s
elf
-
o
r
g
an
ized
s
y
s
te
m
ar
e
k
n
o
w
n
as
s
w
ar
m
i
n
tel
lig
e
n
ce
.
SI
-
b
ased
o
n
ch
ar
ac
ter
is
tical
l
y
p
r
ep
ar
e
d
o
f
in
h
ab
ita
n
t
s
o
f
s
i
m
p
le
ag
en
ts
w
h
o
ar
e
in
ter
m
i
n
g
l
i
n
g
w
it
h
ea
ch
o
th
er
in
t
h
e
a
t
m
o
s
p
h
er
e
t
h
e
y
i
n
s
p
ir
ed
f
r
o
m
n
at
u
r
e
e
s
p
ec
iall
y
b
io
lo
g
ical
s
y
s
te
m
s
.
A
B
C
al
g
o
r
ith
m
i
s
a
n
e
x
a
m
p
le
o
f
SI
w
h
ic
h
in
s
p
ir
es f
r
o
m
b
ee
b
e
h
av
io
r
[
1
1
]
.
2
.
5
.
S
w
a
rm
i
nte
llig
ent
B
ec
o
m
es
v
er
y
p
o
p
u
lar
in
t
h
e
r
esear
c
h
f
ield
a
n
d
m
a
y
r
esear
ch
er
u
s
ed
f
o
r
th
eir
r
eq
u
ir
e
m
e
n
t.
A
d
i
f
f
er
en
t
at
te
m
p
t
i
s
m
ad
e
t
o
d
esig
n
a
n
al
g
o
r
ith
m
o
r
d
is
tr
ib
u
ted
p
r
o
b
lem
s
f
o
r
s
o
l
v
i
n
g
d
ev
ice
b
y
s
ti
m
u
lated
b
y
t
h
e
co
o
p
er
ativ
e
b
eh
av
io
r
o
f
s
o
cial
b
eh
a
v
io
r
lik
e
co
lo
n
ie
s
an
d
o
th
er
an
i
m
al
’
s
b
e
h
a
v
io
r
.
T
h
e
ten
u
r
e
s
w
ar
m
is
u
s
ed
f
o
r
an
y
u
n
e
m
o
tio
n
a
l
ass
o
r
t
m
e
n
t
o
f
i
n
ter
m
in
g
li
n
g
ag
en
t
o
r
b
ein
g
s
;
o
n
e
o
f
t
h
e
m
ain
e
x
a
m
p
le
s
is
b
ee
[
1
2
]
.
S
w
ar
m
i
n
telli
g
e
n
t
is
a
n
o
v
el
f
ield
w
h
ic
h
s
tate
m
en
ts
th
e
s
t
u
d
y
o
f
t
h
e
co
o
p
er
ativ
e
b
e
h
av
io
r
o
f
a
s
y
s
te
m
t
h
at
co
o
r
d
in
ate
w
i
t
h
ea
ch
o
th
er
b
y
u
s
in
g
ce
n
tr
al
co
n
tr
o
l
s
y
s
te
m
a
n
d
s
el
f
-
a
s
s
o
ci
atio
n
L
ar
g
e
p
ar
t
o
f
r
esear
ch
i
n
SI
co
n
ce
r
n
w
it
h
a
n
tit
h
esi
s
e
n
g
in
ee
r
i
n
g
an
d
ad
a
p
tatio
n
o
f
co
m
b
in
ed
b
e
h
av
io
r
o
f
n
at
u
r
e
s
y
s
te
m
.
S
w
ar
m
i
n
telli
g
e
n
t
(
SI)
is
a
d
is
cip
lin
e
o
f
ar
tific
ial
i
n
telli
g
en
t
(
A
I
)
w
h
ic
h
ap
p
r
eh
en
s
iv
e
w
it
h
th
e
in
ten
t
io
n
o
f
t
h
e
m
u
lti
-
ag
e
n
t
s
y
s
te
m
b
y
ta
s
k
in
g
cr
ea
tiv
en
e
s
s
o
f
co
llecti
v
e
b
eh
av
io
r
o
f
s
o
cial
i
n
s
ec
ts
s
u
c
h
as
a
b
ee
,
w
asp
s
,
a
n
t
s
an
d
o
th
er
a
n
i
m
al
s
li
k
e
b
ir
d
s
,
f
is
h
es
[
1
3
]
.
No
r
m
a
ll
y
i
n
s
w
ar
m
i
n
tel
lig
e
n
t
d
if
f
er
en
t
n
u
m
b
e
r
o
f
h
o
m
o
g
en
eo
u
s
an
d
s
i
m
p
le
n
u
m
b
er
o
f
ag
e
n
t
i
n
ter
ac
ti
n
g
t
h
e
m
s
el
f
an
d
th
e
ir
s
u
r
r
o
u
n
d
in
g
s
w
it
h
n
o
ce
n
tr
al
co
n
tr
o
l
w
it
h
g
lo
b
al
in
ter
esti
n
g
b
eh
a
v
io
r
w
ith
ea
c
h
o
th
er
an
d
t
h
er
e
ar
e
d
if
f
er
en
t
m
o
d
els
o
f
s
w
ar
m
i
n
tel
lig
e
n
t
w
h
ic
h
r
ef
er
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ed
as
co
m
p
u
tatio
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al
m
o
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s
o
m
e
o
f
th
e
m
o
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ar
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t
co
lo
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o
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izat
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ar
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izatio
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o
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o
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izatio
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d
g
lo
wwo
r
m
s
w
ar
m
in
te
llig
e
n
t
[
1
4
]
.
Fig
u
r
e
2
s
h
o
w
s
t
h
e
n
atu
r
e
b
ased
alg
o
r
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Fig
u
r
e
2
.
Natu
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b
ased
alg
o
r
ith
m
2
.
6
.
D
if
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er
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t
a
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o
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e
F
o
r
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r
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h
e
m
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m
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ar
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o
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ag
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r
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I
n
th
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p
r
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s
s
b
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l
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d
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o
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m
it
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d
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o
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e
in
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ac
h
.
A
f
te
r
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t
r
a
ct
th
e
am
o
u
n
t
f
r
o
m
th
e
n
ec
ta
r
till
3
0
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o
1
2
0
m
in
ts
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co
r
d
in
g
t
o
th
e
c
o
n
d
i
ti
o
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e
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tar
m
ak
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ee
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h
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it
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a
ch
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o
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e
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o
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n
t
o
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ee
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it
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u
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o
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iv
e.
T
h
en
it
s
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a
r
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e
in
f
o
r
m
atio
n
t
o
o
th
er
b
ee
in
d
an
c
e
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r
m
[
1
5
]
.
2
.
7
.
Da
n
ce
T
h
e
s
t
e
p
s
o
f
d
an
c
e
ar
e
p
e
r
f
o
r
m
ed
tell
t
o
o
th
er
b
ee
a
b
o
u
t
th
e
f
o
o
d
s
o
u
r
ce
,
d
i
r
ec
ti
o
n
,
am
o
u
n
t
o
f
n
ec
t
ar
an
d
q
u
ali
ty
an
d
d
if
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er
en
t
t
y
p
e
o
f
d
an
ce
p
er
f
o
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m
ed
in
th
e
h
i
v
e
ar
ea
.
W
h
en
s
h
e
d
an
cin
g
o
t
h
er
b
e
e
t
o
u
ch
es
h
im
w
ith
an
ten
n
a
in
o
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d
er
t
o
tast
e
t
h
e
n
ec
ta
r
o
f
f
o
o
d
s
o
u
r
c
e.
Dif
f
e
r
en
t
ty
p
es
o
f
d
an
ce
a
r
e
.
2
.
8
.
Ro
un
d d
a
nc
e
T
h
is
k
in
d
o
f
d
an
ce
d
o
es n
o
t in
f
o
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m
ab
o
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t th
e
d
is
t
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ce
b
u
t th
i
s
k
in
d
o
f
d
an
c
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d
w
h
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th
e
h
iv
e
is
n
ea
r
o
r
w
h
en
th
ey
r
ea
ch
e
d
t
o
t
h
e
f
o
o
d
h
iv
e
.
Evaluation Warning : The document was created with Spire.PDF for Python.
IJ
-
AI
I
SS
N:
2252
-
8938
A
r
tifi
cia
l b
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co
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r
ev
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(
A
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159
2
.
9
.
W
a
g
g
le
d
a
nc
e
T
h
is
d
an
c
e
is
u
s
ed
t
o
in
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o
r
m
an
o
th
e
r
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ee
a
b
o
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t
f
o
o
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o
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r
c
e
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d
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r
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cti
o
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f
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o
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r
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e
if
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e
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o
o
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o
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a
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aw
ay
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p
lo
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ee
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s
ed
th
is
d
an
c
e
f
o
r
th
e
d
i
r
e
cti
o
n
[
1
6
]
.
2
.
1
0
.
T
re
m
ble da
nce
I
f
th
e
b
ee
tak
es
l
o
n
g
er
tim
e
in
th
e
f
o
o
d
s
o
u
r
ce
th
en
s
h
e
s
tar
ts
th
is
k
in
d
o
f
d
an
c
e
to
k
n
o
w
ab
o
u
t
th
e
cu
r
r
en
t
p
o
s
i
ti
o
n
o
f
th
e
b
ee
b
e
ca
u
s
e
th
ey
tak
e
l
o
a
d
tim
e
b
e
f
o
r
e
in
f
o
r
m
in
g
o
th
e
r
.
2.
11
.
Nes
t
s
it
e
s
el
ec
t
i
o
n
T
h
e
p
r
o
ce
s
s
o
f
n
est
s
el
ec
t
io
n
co
n
s
is
ts
o
f
s
o
m
e
im
p
o
r
t
an
t
is
s
u
e
lik
e
th
e
s
iz
e
o
f
cr
ac
k
to
h
o
l
d
co
m
b
s
an
d
s
t
if
f
n
ess
o
f
th
e
o
p
en
in
g
w
ea
th
e
r
an
d
m
an
u
f
ac
tu
r
e
tim
e,
t
h
e
m
ain
p
o
in
t
is
th
at
g
iv
en
in
c
o
r
p
o
r
at
ed
r
eso
lu
ti
o
n
g
iv
en
to
a
ll
s
w
ar
m
w
ith
o
u
t
co
n
f
licts
.
F
o
r
th
e
ac
h
iev
em
en
t
o
f
th
is
m
is
s
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n
m
an
y
s
co
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t
b
e
e
w
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k
in
g
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p
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r
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lle
l
f
o
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ex
p
l
o
r
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g
th
e
p
o
t
en
tia
l n
est
s
it
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d
s
p
lit
in
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an
k
a
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t
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e
d
s
i
te
w
ith
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th
e
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d
an
cin
g
s
co
u
t
b
e
e.
2.
12
.
N
a
v
ig
a
t
i
o
n
Fo
r
g
er
b
e
e
u
s
e
d
s
p
ec
ial
k
in
d
o
f
m
ap
s
im
ilar
t
o
th
e
ass
o
c
iat
i
o
n
o
f
s
p
at
ial
m
em
o
r
y
f
o
r
a
h
o
m
in
g
f
o
o
d
s
o
u
r
ce
an
d
s
ea
r
ch
f
lig
h
t.
T
h
is
co
n
s
is
t
o
f
tw
o
co
m
p
u
tatio
n
co
m
p
o
n
en
t
k
n
o
w
s
as
v
ec
to
r
an
d
v
iew
p
o
in
t
lan
d
m
ar
k
.
A
n
d
th
e
n
av
ig
at
io
n
co
n
s
is
ts
o
f
tw
o
m
ain
elem
en
ts
th
ese
a
r
e
s
t
im
u
li
o
f
b
ee
an
d
th
e
s
e
co
n
d
o
n
e
is
en
co
d
ed
s
p
at
ial
in
f
o
r
m
atio
n
d
a
n
ce
[
1
7
]
.
2.
13
.
T
a
s
k
s
e
lec
t
i
o
n
No
r
m
ally
th
e
d
if
f
e
r
en
t
task
s
ar
e
d
is
t
r
i
b
u
te
d
in
to
a
d
if
f
er
e
n
t
b
ee
an
d
th
ese
task
s
a
r
e
d
y
n
am
ica
lly
d
is
t
r
i
b
u
te
d
in
th
e
en
v
ir
o
n
m
en
t a
n
d
ch
an
g
e
to
th
e
g
iv
en
en
v
i
r
o
n
m
en
t.
So
m
e
task
s
a
r
e
s
p
e
cia
l
f
o
r
a
s
p
ec
i
al
g
r
o
u
p
o
r
in
d
iv
i
d
u
al
b
ee
[
1
8
]
.
2.
14
.
Cl
o
ud
c
o
m
pu
t
ing
P
e
o
p
l
e
ad
o
p
tin
g
n
ew
tech
n
o
lo
g
y
in
o
r
d
e
r
t
o
ac
h
iev
e
th
ei
r
r
e
q
u
ir
e
d
g
o
als
.
C
lo
u
d
c
o
m
p
u
tin
g
is
o
n
e
o
f
th
em
p
eo
p
l
e
g
et
tin
g
a
h
u
g
e
a
m
o
u
n
t
o
f
d
a
ta
in
h
ig
h
s
p
e
e
d
an
d
l
a
r
g
e
m
em
o
r
y
s
to
r
ag
e
.
T
h
e
ex
ci
tin
g
f
iel
d
o
f
clo
u
d
c
o
m
p
u
tin
g
ch
an
g
e
in
to
n
e
w
it lan
d
w
ith
lar
g
e
a
d
v
an
ce
m
en
t in
b
u
s
in
ess
an
d
o
p
e
r
at
io
n
[
1
9
]
.
T
h
e
in
cr
ea
s
e
o
f
en
er
g
y
an
d
en
v
ir
m
en
t
b
o
th
a
r
e
co
n
c
er
n
w
ith
clo
u
d
co
m
p
u
ti
n
g
.
T
h
er
ef
o
r
e
m
o
r
e
an
d
m
o
r
e
attr
ac
tio
n
ar
e
n
ee
d
to
ch
an
g
e
clo
u
d
co
m
p
u
ti
n
g
i
n
to
g
r
ee
n
co
m
p
u
t
in
g
[
2
0
]
.
Fig
u
r
e
3
s
h
o
w
s
cl
o
u
d
c
o
m
p
u
ti
n
g
.
Fig
u
r
e
3
.
Sh
o
w
s
clo
u
d
co
m
p
u
t
in
g
Du
e
t
o
th
e
g
r
o
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o
f
c
lo
u
d
c
o
m
p
u
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g
th
e
u
s
er
d
em
an
d
f
o
r
m
o
r
e
b
at
te
r
r
esu
l
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d
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ette
r
s
e
r
v
ic
e
d
u
e
to
th
is
d
em
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d
lo
ad
b
alan
cin
g
b
e
co
m
e
m
o
r
e
im
p
o
r
t
an
t
an
d
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e
r
est
in
g
co
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ce
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t
.
L
o
a
d
b
alan
c
in
g
d
is
s
em
in
ate
d
th
e
lo
a
d
am
o
n
g
d
if
f
er
en
t in
cl
o
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d
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p
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in
s
itu
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o
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s
w
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e
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o
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e
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ily
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o
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e
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e
r
lo
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ak
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in
cl
o
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t
o
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e
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itu
ati
o
n
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o
a
d
b
alan
c
in
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ed
.
L
o
a
d
b
al
an
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e
p
r
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ess
o
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m
an
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o
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o
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tem
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d
im
p
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v
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en
t
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ce
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til
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o
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s
[
2
1
]
.
Fi
g
u
r
e
4
s
h
o
w
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e
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ad
b
a
lan
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g
ap
p
r
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.
Fig
u
r
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4
s
h
o
w
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th
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o
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d
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o
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o
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p
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n
r
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y
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m
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v
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t
h
e
lo
ad
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alan
ci
n
g
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2252
-
8
9
3
8
IJ
-
A
I
Vo
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8
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No
.
2
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J
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201
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–
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160
Fig
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IJ
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161
3.
AB
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[
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.
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[
2
3
]
.
A
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es w
h
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x
p
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b
el
o
w
[
2
4
]
.
Fo
o
d
s
o
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r
ce
:
T
h
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b
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co
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cte
d
f
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.
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ly
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.
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th
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p
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to
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a
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w
ith
u
p
co
m
in
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f
b
e
e
g
r
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p
[
2
5
]
.
E
m
p
lo
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ed
b
ee
:
T
h
es
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a
r
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e
g
r
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p
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th
e
b
ee
w
h
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co
n
ta
i
n
s
all
th
e
in
f
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r
m
ati
o
n
lik
e
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i
ch
n
ess
,
d
is
tan
ce
,
an
d
d
ir
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t
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f
r
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th
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l
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t f
o
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d
s
o
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r
c
es
ar
e
k
n
o
w
n
as e
m
p
lo
y
ed
b
ee
[
2
6
]
.
Un
em
p
lo
y
ed
b
ee
:
s
h
a
r
e
th
e
in
f
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n
w
ith
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o
th
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g
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p
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at
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k
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o
w
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as
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e
m
p
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ed
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e
.
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et
f
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m
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o
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f
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o
n
l
o
o
k
er
b
e
e
an
d
s
co
u
t
b
ee
[
2
7
]
.
On
lo
o
k
e
r
b
ee
:
A
r
e
th
o
s
e
w
h
i
ch
co
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d
in
f
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n
f
r
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m
em
p
lo
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b
ee
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is
p
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n
t
in
th
e
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e
af
ter
th
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aly
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is
.
Sco
u
t
b
e
e:
A
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esp
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b
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f
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s
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r
ch
in
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d
s
o
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r
c
e
a
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n
d
in
h
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.
W
h
en
th
ey
f
in
d
s
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e
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I
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8
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ith
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=
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[
2
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T
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.
Evaluation Warning : The document was created with Spire.PDF for Python.
IJ
-
AI
I
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N:
2252
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8938
A
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(
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163
On
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ee
r
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le:
Af
ter
th
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r
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ce
s
s
o
f
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m
p
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b
ee
p
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en
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ase
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t
,
in
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tag
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all
t
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ed
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atio
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ab
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w
f
itn
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s
s
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t
u
r
n
(
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On
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=
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ated
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a
tu
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[
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1
]
.
Sco
u
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b
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p
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ase:
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p
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m
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4
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.
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(
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a
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o
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r
ce
.
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h
e
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m
b
e
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f
o
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ee
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d
em
p
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e
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ee
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e
e
q
u
al
to
th
e
s
o
lu
tio
n
o
f
th
e
p
o
p
u
latio
n
[
3
2
]
.
Me
t
h
eu
r
i
s
tic
alg
o
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it
h
m
s
ar
e
lo
f
t
y
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e
u
r
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tic
a
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th
m
s
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e
n
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p
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el
o
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e
y
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n
d
.
Or
m
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h
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r
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s
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iter
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i
n
d
o
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th
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n
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n
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h
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g
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le
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tec
h
n
iq
u
e
th
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u
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a
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tain
p
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s
s
.
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h
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r
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s
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h
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g
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tech
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e
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e
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No
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e
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ch
er
s
w
er
e
co
n
ce
n
tr
ated
ab
o
u
t
lo
ad
b
alan
cin
g
i
n
clo
u
d
co
m
p
u
tin
g
u
s
in
g
v
ir
t
u
al
m
ac
h
i
n
e
p
o
lic
y
.
A
l
s
o
m
e
n
tio
n
b
asic
co
n
ce
p
t
ab
o
u
t
lo
ad
b
alan
cin
g
,
t
y
p
e,
ar
tif
icial
b
ee
co
lo
n
y
alg
o
r
ith
m
a
n
d
it
ap
p
licatio
n
.
Mo
s
t
o
f
t
h
e
r
esear
ch
e
r
u
s
i
n
g
A
B
C
alg
o
r
ith
m
i
n
v
ir
t
u
al
m
ac
h
i
n
e
b
y
s
elec
t
io
n
d
if
f
er
en
t
p
o
lic
y
,
it
al
m
o
s
t
i
m
p
r
o
v
es
th
e
p
er
f
o
r
m
an
ce
o
f
lo
ad
b
alan
cin
g
.
I
f
f
u
t
u
r
e
s
tu
d
y
w
e
f
o
cu
s
VM
r
ep
elec
e
m
en
t
s
t
u
d
y
.
RE
F
E
R
E
NC
E
[1
]
Ra
n
a
,
M
.
,
Bil
g
a
iy
a
n
,
S
.
,
&
Ka
r,
U.
(2
0
1
4
,
Ju
ly
).
A
stu
d
y
o
n
lo
a
d
b
a
la
n
c
in
g
in
a
c
l
o
u
d
c
o
mp
u
ti
n
g
e
n
v
iro
n
me
n
t
u
si
n
g
e
v
o
lu
ti
o
n
a
ry
a
n
d
sw
a
rm
b
a
se
d
a
lg
o
rith
ms
.
I
n
Co
n
tr
o
l,
I
n
stru
m
e
n
tatio
n
,
C
o
m
m
u
n
ica
ti
o
n
a
n
d
Co
m
p
u
tatio
n
a
l
T
e
c
h
n
o
lo
g
ies
(ICCICCT
),
2
0
1
4
I
n
tern
a
ti
o
n
a
l
Co
n
f
e
re
n
c
e
o
n
(p
p
.
2
4
5
-
2
5
0
).
IEE
E.
[2
]
A
n
to
n
o
p
o
u
lo
s,
N
.
,
&
G
il
lam
,
L
.
(2
0
1
0
).
Clo
u
d
c
o
m
p
u
ti
n
g
.
L
o
n
d
o
n
:
S
p
ri
n
g
e
r.
[3
]
Bo
u
ss
a
ïD,
I.
,
L
e
p
a
g
n
o
t,
J.,
&
S
iarr
y
,
P
.
(2
0
1
3
).
A
su
rv
e
y
o
n
o
p
ti
m
iza
ti
o
n
m
e
tah
e
u
risti
c
s.
In
fo
rm
a
t
io
n
S
c
ien
c
e
s,
2
3
7
,
8
2
-
1
1
7
.
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