Hierarchical Dirichlet and Pitman-Yor process mixtures of shifted-scaled Dirichlet distributions for proportional data modeling.
Ali BaghdadiNarges ManouchehriZachary PattersonWentao FanNizar BouguilaPublished in: Comput. Intell. (2022)
Keyphrases
- pitman yor process
- data modeling
- dirichlet distribution
- mixture model
- bayesian nonparametric
- generative model
- dirichlet processes
- database design
- discrete data
- topic models
- latent dirichlet allocation
- data model
- probabilistic model
- em algorithm
- gaussian mixture model
- expectation maximization
- data management
- object oriented
- database technology
- dirichlet process
- variational inference
- unsupervised learning
- maximum likelihood
- bayesian framework
- model selection
- sql server
- prior distribution
- probability density function
- posterior probability
- language model
- semi supervised
- database applications
- databases
- dimensionality reduction
- text mining
- pairwise
- information retrieval
- machine learning