Progressive EM for Latent Tree Models and Hierarchical Topic Detection.
Peixian ChenNevin L. ZhangLeonard K. M. PoonZhourong ChenPublished in: CoRR (2015)
Keyphrases
- topic detection
- tree models
- text data
- document clustering
- human pose estimation
- text classification
- document collections
- expectation maximization
- unsupervised learning
- tree structure
- em algorithm
- latent variables
- maximum likelihood
- generative model
- information retrieval
- document level
- probabilistic model
- efficient learning
- bayesian framework
- classification trees
- data mining
- multimedia
- data structure
- image retrieval
- structured data
- image classification
- data sets
- model selection