Topic Modelling using Latent Dirichlet Allocation (LDA) and Analysis of Students Sentiments.
Ontiretse IshmaelEtain KielyCormac QuigleyDonal McGintyPublished in: JCSSE (2023)
Keyphrases
- latent dirichlet allocation
- topic models
- topic modeling
- topic discovery
- generative model
- lda model
- text mining
- probabilistic latent semantic indexing
- latent topics
- text analysis
- variational inference
- gibbs sampling
- variational bayesian inference
- topic extraction
- latent semantic analysis
- probabilistic topic models
- word counts
- latent variable models
- latent variables
- hierarchical bayesian model
- latent topic models
- data analysis
- feature selection
- text documents
- prior knowledge