Tracing the Pace of COVID-19 Research: Topic Modeling and Evolution.
Jiaying LiuHansong NieShihao LiXiangtai ChenHuazhu CaoJing RenIvan LeeFeng XiaPublished in: Big Data Res. (2021)
Keyphrases
- topic modeling
- topic models
- latent dirichlet allocation
- text mining
- text classification
- topic extraction
- collaborative filtering
- scientific articles
- text corpora
- text documents
- modeling framework
- neural network
- latent topics
- probabilistic latent semantic analysis
- unsupervised learning
- high dimensional
- feature selection
- search engine
- information retrieval