Journal of King Saud University - Computer and Information Sciences,
Год журнала:
2023,
Номер
36(1), С. 101906 - 101906
Опубликована: Дек. 27, 2023
Identifying
and
ranking
influential
nodes
in
complex
networks
is
a
critical
aspect
to
study
the
survival
robustness
of
networks.
Many
ongoing
researches
have
proposed
centrality
metrics
address
this
problem,
so
that
performance
each
attributed
specific
scenarios.
For
example,
based
on
local
structure
low
accuracy
due
use
limited
information,
global
suffer
from
high
complexity.
Meanwhile,
semi-local
are
amazingly
well,
but
an
efficient
for
identifying
still
not
available
differences
scale
In
addition,
most
only
consider
one
node's
their
development
faces
serious
challenges.
This
paper
develops
Weighted
Semi-Local
Centrality
(WSLC)
identify
extended
neighborhood
concept.
Here,
several
different
weights
investigated
find
best
WSLC.
We
concept
select
nearest
neighbors,
which
considers
information
network
way
calculate
ranks.
distributed
approach
presented
can
cut
subgraph
entire
node
with
contains
neighbors
hops,
used
maintain
efficiency
when
facing
large-scale
addition
importance
itself,
WSLC
also
combines
hops
ranking.
Therefore,
defining
as
well
using
edge
weighting
policy
differentiates
other
existing
metrics.
The
evaluation
has
been
done
through
real-world
Kendall's
correlation.
effectiveness
under
SIR
infection
spreading
model
verified
by
extensive
simulations
compared
state-of-the-art
Journal of Electrical and Computer Engineering,
Год журнала:
2022,
Номер
2022, С. 1 - 12
Опубликована: Сен. 24, 2022
Cloud
computing
has
become
the
most
challenging
research
field
in
current
information
technology
scenario.
In
this,
a
set
of
user
tasks
are
scheduled
and
allocated
to
numerous
kinds
heterogeneous
virtual
machines
(VMs)
cloud
data
centers
(CDCs),
these
VMs
hosted
by
diverse
types
physical
(PMs).
It
extends
several
features,
encompassing
elasticity,
safety,
sustainability,
even
adequate
maintenance
compared
traditional
centers.
There
techniques
available
for
VM
scheduling
allocation.
However,
it
still
requires
existence
new
mechanisms
that
can
reduce
execution
time
(ET)
tasks,
improve
optimization
energy
usage
resource
utilization
(RU),
consumption.
Along
with
optimization,
(VMS)
allocation
(VMA)
two-level
issues
need
be
considered
essential
policies
govern
mechanisms.
Hence,
executing
optimal
VMS
VMA
center,
methodologies,
such
as
enhanced
shark
smell
algorithm
(ESSOA)
at
first
level
Brownian
movement-centered
gravitation
search
(BMGSA)
second
level,
proposed
this
work
define
policies.
Firstly,
requests
reserved
on
appropriate
PM
ESSOA,
which
lowest
cost
within
deadline
limits,
BMGSA
decides
chosen
limitations
level.
To
demonstrate
algorithm’s
efficiency,
simulations
carried
out
using
Java
language-based
CloudSim
simulator,
mechanism
outcomes
acquired
existing
approaches.
The
simulation
results
show
suggested
is
efficient
terms
cost,
degree
imbalance
(DOI),
make
span
(MS),
(RU).
Journal of King Saud University - Computer and Information Sciences,
Год журнала:
2023,
Номер
36(1), С. 101906 - 101906
Опубликована: Дек. 27, 2023
Identifying
and
ranking
influential
nodes
in
complex
networks
is
a
critical
aspect
to
study
the
survival
robustness
of
networks.
Many
ongoing
researches
have
proposed
centrality
metrics
address
this
problem,
so
that
performance
each
attributed
specific
scenarios.
For
example,
based
on
local
structure
low
accuracy
due
use
limited
information,
global
suffer
from
high
complexity.
Meanwhile,
semi-local
are
amazingly
well,
but
an
efficient
for
identifying
still
not
available
differences
scale
In
addition,
most
only
consider
one
node's
their
development
faces
serious
challenges.
This
paper
develops
Weighted
Semi-Local
Centrality
(WSLC)
identify
extended
neighborhood
concept.
Here,
several
different
weights
investigated
find
best
WSLC.
We
concept
select
nearest
neighbors,
which
considers
information
network
way
calculate
ranks.
distributed
approach
presented
can
cut
subgraph
entire
node
with
contains
neighbors
hops,
used
maintain
efficiency
when
facing
large-scale
addition
importance
itself,
WSLC
also
combines
hops
ranking.
Therefore,
defining
as
well
using
edge
weighting
policy
differentiates
other
existing
metrics.
The
evaluation
has
been
done
through
real-world
Kendall's
correlation.
effectiveness
under
SIR
infection
spreading
model
verified
by
extensive
simulations
compared
state-of-the-art