Sentiment analysis and topic modeling for COVID-19 vaccine discussions.
Hui YinXiangyu SongShuiqiao YangJianxin LiPublished in: World Wide Web (2022)
Keyphrases
- topic modeling
- sentiment analysis
- text classification
- text mining
- opinion mining
- topic models
- sentiment classification
- sentence level
- latent dirichlet allocation
- text documents
- machine learning
- sentiment lexicon
- text corpora
- data mining
- collaborative filtering
- user generated
- text categorization
- information retrieval
- online reviews
- n gram
- labeled data
- natural language processing
- information extraction
- product reviews
- product features
- bag of words
- data points