Keyphrases
South Korea
100%
Educators
100%
Foreigners
100%
COVID-19 Pandemic
100%
Applied Machine Learning
100%
Negative Emotions
66%
Sentiment Analysis
66%
Comparative Analysis
33%
Machine Learning Techniques
33%
Mental Fatigue
33%
Public Opinion
33%
Positive Emotions
33%
Course Materials
33%
Statistical Significance Test
33%
Job Loss
33%
Pain Points
33%
Community Access
33%
Multidimensional Analysis
33%
COVID-19 Impact
33%
Classroom Students
33%
Online Support Community
33%
Student Concerns
33%
VADER
33%
TextBlob
33%
Social Media Dataset
33%
Twitter Dataset
33%
Making Available
33%
Computer Science
Case Study
100%
Sentiment Analysis
100%
Applied Machine Learning
100%
Dimensional Analysis
50%
Open Source
50%
Comparative Analysis
50%
Machine Learning Technique
50%
Significance Test
50%
Negative Emotion
50%
Community Support
50%
Social Sciences
Case Study
100%
South Korea
100%
Opinion Mining
66%
Comparative Analysis
33%
Learning Method
33%
Emotions
33%
Statistical Significance
33%
Job Loss
33%
COVID-19
33%
Dimensional Analysis
33%
Significance Test
33%
Psychology
Case Study
100%
Negative Emotion
100%
Mental Fatigue
100%
Economics, Econometrics and Finance