Unsupervised Text Learning Based on Context Mixture Model with Dirichlet Prior.
Dongling ChenDaling WangGe YuPublished in: APWeb Workshops (2008)
Keyphrases
- mixture model
- unsupervised learning
- dirichlet prior
- em algorithm
- supervised learning
- gaussian mixture model
- generative model
- expectation maximization
- language model
- learning algorithm
- dirichlet distribution
- semi supervised
- probabilistic model
- active learning
- prior knowledge
- image processing
- information retrieval
- text classification
- maximum likelihood
- text mining
- model selection
- reinforcement learning