Aspect-Based
Sentiment
Analysis
(ABSA)
is
a
Natural
Language
Processing
task
that
aims
to
identify
and
extract
the
sentiment
of
specific
aspects
or
components
product
service.
ABSA
typically
involves
multi-step
process
begins
with
identifying
features
service
are
being
discussed
in
text.
This
followed
by
analysis,
where
polarity
(positive,
negative,
neutral)
assigned
each
aspect
based
on
context
sentence
document.
Finally,
results
aggregated
provide
an
overall
for
aspect.
The
training
machine
learning
models
classify
text
neutral).
First,
we
transform
data
using
Term
Frequency-Inverse
Document
Frequency
(TF-IDF),
which
assigns
weights
words
their
importance
within
document
collection.
emphasizes
informative
terms.
Then,
these
TF-IDF
fed
into
both
SVM
Logistic
Regression
models.
find
hyper
plane
best
separates
classes,
while
calculates
probability
belonging
class.
Extensive
experiments
have
been
conducted
datasets
covid
vaccinations
dataset
show
support
vector
model
achieves
excellent
performance
terms
extraction
classification.
Twitter
can
be
imbalanced,
more
positive
negative
tweets
depending
topic.
affect
process.
Techniques
like
oversampling
undersampling
minority
class
might
necessary.
work
investigates
algorithms
classification
task.
Support
Vector
Machine
(SVM)
(LR)
were
compared.
indicate
achieved
superior
accuracy
(87.34%)
compared
(84.64%),
suggesting
as
suitable
option
this
Big Data and Cognitive Computing,
Journal Year:
2023,
Volume and Issue:
7(2), P. 116 - 116
Published: June 9, 2023
Mining
and
analysis
of
the
big
data
Twitter
conversations
have
been
significant
interest
to
scientific
community
in
fields
healthcare,
epidemiology,
data,
science,
computer
their
related
areas,
as
can
be
seen
from
several
works
last
few
years
that
focused
on
sentiment
other
forms
text
tweets
Ebola,
E-Coli,
Dengue,
Human
Papillomavirus
(HPV),
Middle
East
Respiratory
Syndrome
(MERS),
Measles,
Zika
virus,
H1N1,
influenza-like
illness,
swine
flu,
Cholera,
Listeriosis,
cancer,
Liver
Disease,
Inflammatory
Bowel
kidney
disease,
lupus,
Parkinson’s,
Diphtheria,
West
Nile
virus.
The
recent
outbreaks
COVID-19
MPox
served
“catalysts”
for
usage
seeking
sharing
information,
views,
opinions,
sentiments
involving
both
these
viruses.
None
prior
this
field
analyzed
focusing
simultaneously.
To
address
research
gap,
a
total
61,862
simultaneously,
posted
between
7
May
2022
3
March
2023,
were
studied.
findings
contributions
study
are
manifold.
First,
results
using
VADER
(Valence
Aware
Dictionary
sEntiment
Reasoning)
approach
shows
nearly
half
(46.88%)
had
negative
sentiment.
It
was
followed
by
positive
(31.97%)
neutral
(21.14%),
respectively.
Second,
paper
presents
top
50
hashtags
used
tweets.
Third,
it
100
most
frequently
words
after
performing
tokenization,
removal
stopwords,
word
frequency
analysis.
indicate
context
included
high
level
regarding
COVID-19,
viruses,
President
Biden,
Ukraine.
Finally,
comprehensive
comparative
compares
with
49
is
presented
further
uphold
relevance
novelty
work.
IEEE Access,
Journal Year:
2023,
Volume and Issue:
11, P. 49882 - 49894
Published: Jan. 1, 2023
Emotion
classification
has
become
a
valuable
tool
in
analyzing
text
and
emotions
people
express
response
to
events
or
crises,
particularly
on
social
media
other
online
platforms.
The
recent
news
about
monkeypox
highlighted
various
individuals
felt
during
the
outbreak.
People's
opinions
concerns
have
been
very
different
based
their
awareness
understanding
of
disease.
Although
there
studies
monkeypox,
emotion
related
this
virus
not
considered.
As
result,
study
aims
analyze
individual
expressed
posts
Our
goal
is
provide
real-time
information
identify
critical
To
conduct
our
analysis,
first,
we
extract
preprocess
800,000
datasets
then
use
NRCLexicon,
Python
library,
predict
measure
emotional
significance
each
text.
Secondly,
develop
deep
learning
models
Convolutional
Neural
Networks
(CNN),
Long
Short-Term
Memory
(LSTM),
Bi-directional
LSTM
(BiLSTM),
combination
(CLSTM)
for
classification.
We
SMOTE
(Synthetic
Minority
Oversampling
Technique)
Random
Undersampling
techniques
address
class
imbalance
training
dataset.
results
revealed
that
CNN
model
achieved
highest
performance
with
an
accuracy
96%.
Overall,
dataset
can
be
powerful
improving
findings
will
help
effective
interventions
improve
public
health.
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: Sept. 23, 2023
Human
monkeypox
is
a
very
unusual
virus
that
can
devastate
society.
Early
identification
and
diagnosis
are
essential
to
treat
manage
an
illness
effectively.
disease
detection
using
deep
learning
models
has
attracted
increasing
attention
recently.
The
causes
may
be
passed
people,
making
it
zoonotic
illness.
latest
epidemic
hit
more
than
40
nations.
Computer-assisted
approaches
Deep
Learning
techniques
for
automatically
identifying
skin
lesions
have
shown
viable
alternative
in
light
of
the
fast
proliferation
ever-growing
problems
supplying
PCR
(Polymerase
Chain
Reaction)
Testing
places
with
limited
availability.
In
this
research,
we
introduce
model
detecting
human
monkeypoxes
accurate
resilient
by
tuning
its
hyper-parameters.
We
employed
mixture
convolutional
neural
networks
transfer
strategies
extract
characteristics
from
medical
photos
properly
identify
them.
also
used
hyperparameter
optimization
fine-tune
Model
get
best
possible
results.
This
paper
proposes
Yolov5
model-based
method
differentiating
between
chickenpox
Monkeypox
on
pictures.
Roboflow
lesion
picture
dataset
was
subjected
three
different
strategies:
SDG
optimizer,
Bayesian
without
Forgetting.
proposed
had
highest
classification
accuracy
(98.18%)
when
applied
lesions.
Our
findings
show
suggested
surpasses
current
best-in-class
clinical
settings
actual
diagnosis.
IEEE Access,
Journal Year:
2024,
Volume and Issue:
12, P. 67117 - 67129
Published: Jan. 1, 2024
Deepfake
text
known
as
synthetic
text,
involves
using
artificial
intelligence
(AI)-generated
to
create
fabricated
information
or
imitate
actual
individuals.
Twitter
tweets
related
deepfake
can
be
used
for
many
malicious
intents,
including
impersonation,
creating
fake
news,
and
spreading
misinformation.
The
main
goal
of
this
investigation
is
detect
people's
sentiments
technology
with
an
advanced
technique.
A
novel
sentiment
majority
voting
classifier
(SMVC)
proposed
the
labeling
collected
tweets.
SMVC
selects
final
from
three
lexicon-based
models
TextBlob,
valence-aware
dictionary
reasoner
(VADER),
AFINN
a
mechanism.
For
classification,
we
propose
transfer
feature
where
embedding
features
are
fed
long
short-term
memory
(LSTM),
decision
tree
(DT)
outputs
combined
into
single
set.
Extensive
experiments
show
that
learning-based
engineering
results
in
highest
performance.
logistic
regression
outperforms
accuracy
98.9%
minimum
computational
complexity.
classification
performance
each
applied
model
validated
k-fold
cross-validations.
Moreover,
assessment
existing
state-of-the-art
also
carried
out
robustness