Unraveling COVID-19 Misinformation with Latent Dirichlet Allocation and CatBoost.
Joy Nathalie M. AvelinoEdgardo P. Felizmenio Jr.Prospero C. Naval Jr.Published in: ICCCI (CCIS Volume) (2022)
Keyphrases
- latent dirichlet allocation
- topic models
- generative model
- topic modeling
- probabilistic latent semantic indexing
- lda model
- probabilistic latent semantic analysis
- topic discovery
- variational inference
- latent topics
- gibbs sampling
- text mining
- word counts
- dimensionality reduction
- em algorithm
- collapsed gibbs sampling
- artificial intelligence
- co occurrence
- hierarchical dirichlet process
- semi supervised