Automatic topic discovery of online hospital reviews using an improved LDA with Variational Gibbs Sampling.
Richard de GroofHaiping XuPublished in: IEEE BigData (2017)
Keyphrases
- topic discovery
- gibbs sampling
- latent dirichlet allocation
- topic models
- lda model
- topic modeling
- generative model
- text mining
- variational inference
- expectation maximization
- probabilistic model
- image segmentation
- dimensionality reduction
- latent variables
- text classification
- em algorithm
- information retrieval
- belief networks
- least squares
- text analysis