Online Learning of Hierarchical Pitman-Yor Process Mixture of Generalized Dirichlet Distributions With Feature Selection.
Wentao FanHassen SallayNizar BouguilaPublished in: IEEE Trans. Neural Networks Learn. Syst. (2017)
Keyphrases
- dirichlet distribution
- pitman yor process
- mixture model
- bayesian nonparametric
- generative model
- feature selection
- latent dirichlet allocation
- topic models
- prior distribution
- dirichlet processes
- model selection
- probabilistic model
- gaussian mixture model
- unsupervised learning
- em algorithm
- discrete data
- expectation maximization
- variational inference
- text categorization
- dimensionality reduction
- maximum likelihood
- bayesian framework
- prior knowledge
- power law
- machine learning
- posterior probability
- probability density function
- multi class
- bayesian classifier
- multi task
- bayesian classifiers
- parameter estimation
- dirichlet process
- lda model
- inverse reinforcement learning
- hierarchical dirichlet process
- support vector
- text classification
- text mining