SPN-Based Dynamic Risk Modeling of Fire Incidents in a Smart City
Menghan Hui,
No information about this author
Feng Ni,
No information about this author
Wencheng Liu
No information about this author
et al.
Applied Sciences,
Journal Year:
2025,
Volume and Issue:
15(5), P. 2701 - 2701
Published: March 3, 2025
Smart
cities
are
confronted
with
a
variety
of
disaster
threats.
Among
them,
natural
fires
pose
serious
threat
to
human
lives,
the
environment,
and
asset
security.
In
view
fact
that
existing
research
mostly
focuses
on
analysis
accident
precursors,
this
paper
proposes
dynamic
risk-modeling
method
based
Stochastic
Petri
Nets
(SPN)
Bayesian
theory
deeply
explore
evolution
mechanism
urban
fires.
The
SPN
model
is
constructed
through
language
processing
techniques,
which
discretize
process.
Then,
introduced
dynamically
update
parameters,
enabling
accurate
assessment
key
event
nodes.
results
show
can
effectively
identify
high-risk
nodes
in
Their
probabilities
increase
significantly
over
time,
transition
have
remarkable
impact
emergency
response
efficiency.
This
fire
prevention
control
efficiency
by
approximately
30%
reduce
potential
losses
more
than
20%.
improves
accuracy
risk
prediction
integrating
real-time
observation
data
provides
quantitative
support
for
decision
making.
It
recommended
management
departments
focus
strengthening
maintenance
facilities
areas
(such
as
alarm
systems
passages),
optimize
cross-departmental
cooperation
processes,
build
an
intelligent
monitoring
early-warning
system
shorten
time.
study
new
theoretical
tool
management.
future,
it
be
extended
other
types
disasters
enhance
universality
model.
Language: Английский
Development of a real-time dynamic inundation risk assessment approach on paddy fields during typhoons: Exploration of adaptation strategies and quantification of risks
Journal of Environmental Management,
Journal Year:
2025,
Volume and Issue:
380, P. 124981 - 124981
Published: March 13, 2025
Language: Английский
A comprehensive review of flood monitoring and evaluation in Nigeria
International Journal of Energy and Water Resources,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 8, 2025
Language: Английский
High‐resolution flood probability mapping using generative machine learning with large‐scale synthetic precipitation and inundation data
Computer-Aided Civil and Infrastructure Engineering,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 23, 2025
Abstract
High‐resolution
flood
probability
maps
are
instrumental
for
assessing
risk
but
often
limited
by
the
availability
of
historical
data.
Additionally,
producing
simulated
data
needed
creating
probabilistic
using
physics‐based
models
involves
significant
computation
and
time
effort,
which
inhibit
its
feasibility.
To
address
this
gap,
study
introduces
Precipitation‐Flood
Depth
Generative
Pipeline,
a
novel
methodology
that
leverages
generative
machine
learning
to
generate
large‐scale
synthetic
inundation
produce
maps.
With
focus
on
Harris
County,
Texas,
Pipeline
begins
with
training
cell‐wise
depth
estimator
number
precipitation‐flood
events
model
model.
This
estimator,
emphasizes
precipitation‐based
features,
outperforms
universal
models.
Subsequently,
conditional
adversarial
network
(CTGAN)
is
used
conditionally
precipitation
point
cloud,
filtered
strategic
thresholds
align
realistic
patterns.
Hence,
feature
pool
constructed
each
cell,
enabling
sampling
generation
events.
After
generating
10,000
events,
created
various
depths.
Validation
similarity
correlation
metrics
confirms
accuracy
distributions.
The
provides
scalable
solution
high‐resolution
maps,
can
enhance
mitigation
planning.
Language: Английский