Keyphrases
- latent variables
- context free grammars
- tree adjoining
- context free
- phrase structure
- syntactic pattern recognition
- tree bank
- natural language
- visual languages
- probabilistic model
- grammar induction
- parse tree
- natural language processing
- latent variable models
- graph grammars
- stochastic grammar
- grammatical inference
- natural language parsing
- random variables
- hierarchical model
- prior knowledge
- probabilistic context free grammars
- topic models
- stochastic context free grammars
- context dependent
- natural language sentences
- semantic parsing
- context sensitive
- real valued
- hidden variables
- gaussian process
- observed variables
- noun phrases
- bayesian networks
- chinese word segmentation
- artificial intelligence
- information extraction
- production rules