Using latent dirichlet allocation for topic modelling in twitter.
David Alfred OstrowskiPublished in: ICSC (2015)
Keyphrases
- latent dirichlet allocation
- topic models
- lda model
- topic modeling
- topic discovery
- generative model
- latent topics
- social media
- text mining
- gibbs sampling
- topic extraction
- variational inference
- variational bayesian inference
- probabilistic latent semantic analysis
- directed graphical models
- dimensionality reduction
- topic detection
- latent variables
- text documents
- probabilistic topic models
- word counts
- latent topic models
- feature extraction
- user generated content
- hierarchical bayesian model
- high dimensional
- image segmentation