Keyphrases
- context free grammars
- natural language
- tree adjoining
- visual languages
- syntactic pattern recognition
- natural language processing
- context free
- phrase structure
- tree bank
- natural language sentences
- graph grammars
- stochastic context free grammars
- parse tree
- natural language parsing
- stochastic grammar
- grammatical inference
- grammar induction
- dependency parsing
- abductive inference
- unsupervised learning
- object oriented
- machine learning