Keyphrases
- context free grammars
- grammatical inference
- visual languages
- natural language
- tree grammars
- tree bank
- syntactic pattern recognition
- context free
- databases
- stochastic grammar
- natural language processing
- three dimensional
- data sets
- production rules
- phrase structure
- context free languages
- data model
- bayesian networks
- high level
- parse selection
- tree adjoining