Keyphrases
- context free grammars
- tree adjoining
- context free
- natural language
- phrase structure
- syntactic pattern recognition
- tree bank
- visual languages
- grammar induction
- natural language processing
- grammatical inference
- stochastic context free grammars
- graph grammars
- parse tree
- natural language parsing
- relational databases
- stochastic grammar
- data model
- relational model
- relational data
- context dependent
- database schema
- context sensitive
- multi relational
- regular expressions
- natural language sentences
- probabilistic context free grammars
- xml schema
- tree grammars
- knowledge base
- chinese word segmentation
- syntactic structures
- dependency parsing
- information extraction
- language processing
- expressive power