Mixture of Watson Distributions: A Generative Model for Hyperspherical Embeddings.
Avleen Singh BijralMarkus BreitenbachGregory Z. GrudicPublished in: AISTATS (2007)
Keyphrases
- generative model
- mixture model
- latent space
- exponential family
- expectation maximization
- dirichlet process
- gaussian distribution
- probabilistic model
- em algorithm
- latent variable models
- bayesian framework
- prior knowledge
- gaussian mixture model
- discriminative learning
- probability distribution
- random variables
- hidden variables
- markov chain monte carlo
- posterior probability
- vector space
- gaussian mixture
- topic models
- latent dirichlet allocation
- low dimensional
- bayesian nonparametric
- discriminative models
- generative process
- graphical models
- dimensionality reduction
- semi supervised
- learned models
- prior distribution
- bayesian inference
- bayesian networks
- fisher kernel
- image processing