Keyphrases
- context free grammars
- natural language
- syntactic pattern recognition
- tree adjoining
- natural language processing
- visual languages
- context free
- tree bank
- stochastic context free grammars
- neural network
- real world
- natural language parsing
- graph grammars
- phrase structure
- parse tree
- natural language sentences
- grammar induction
- practical problems
- stochastic grammar
- real time
- knowledge base
- grammatical inference
- speech understanding
- machine learning
- information retrieval
- unsupervised learning