Keyphrases
- n gram
- context free grammars
- tree adjoining
- context free
- syntactic pattern recognition
- natural language
- phrase structure
- tree bank
- visual languages
- grammar induction
- parse tree
- graph grammars
- natural language processing
- grammatical inference
- stochastic context free grammars
- stochastic grammar
- natural language parsing
- natural language sentences
- context free languages
- context sensitive
- probabilistic context free grammars
- semantic parsing
- question answering
- genetic algorithm
- speech understanding
- bayesian networks
- knowledge base
- knowledge representation
- tree grammars
- tree structures
- finite state automata
- grammar rules
- context dependent
- statistical machine translation
- semantic analysis
- semantic representation