Keyphrases
- grammatical inference
- context free grammars
- mildly context sensitive
- context free
- context free languages
- grammar induction
- finite state automata
- expressive power
- regular languages
- language independent
- natural language
- closure properties
- syntactic pattern recognition
- databases
- neural network
- context sensitive
- text summarization
- inductive inference
- regular expressions
- language identification
- statistical machine translation
- visual languages
- tree grammars
- stochastic grammar