A hierarchical Dirichlet process mixture of generalized Dirichlet distributions for feature selection.
Wentao FanHassen SallayNizar BouguilaSami BourouisPublished in: Comput. Electr. Eng. (2015)
Keyphrases
- dirichlet distribution
- dirichlet process mixture
- hierarchical bayesian
- feature selection
- mixture model
- discrete data
- variational inference
- prior distribution
- latent dirichlet allocation
- markov random field
- unsupervised learning
- model selection
- expectation maximization
- feature space
- gibbs sampling
- bayesian inference
- classification accuracy
- power law
- bayesian classifier
- generative model
- text classification
- prior information
- bayesian classifiers
- feature set
- supervised learning