Topic discovery based on dual EM merging.
Jianping ZengJiangjiao DuanChengrong WuPublished in: ISI (2011)
Keyphrases
- topic discovery
- text analysis
- topic models
- latent dirichlet allocation
- text classification
- expectation maximization
- gradient projection
- generative model
- mixture model
- em algorithm
- probabilistic model
- probabilistic latent semantic analysis
- gibbs sampling
- maximum likelihood
- text mining
- unsupervised learning
- image segmentation
- high dimensional
- artificial intelligence
- co occurrence
- variational inference
- topic modeling
- active learning
- bayesian framework
- information retrieval