Unsupervised Classification of Dialogue Acts using a Dirichlet Process Mixture Model.
Nigel T. CrookRamón GranellStephen G. PulmanPublished in: SIGDIAL Conference (2009)
Keyphrases
- unsupervised classification
- dirichlet process mixture models
- unsupervised learning
- bayesian model
- generative model
- missing data
- dictionary learning
- semi supervised learning
- clustering ensemble
- supervised classification
- data clustering
- hyperspectral images
- computer vision
- remote sensing data
- remote sensing images
- dirichlet process
- infrared
- maximum likelihood
- probabilistic model
- training data