Keyphrases
- context free grammars
- tree adjoining
- phrase structure
- context free
- syntactic pattern recognition
- tree bank
- visual languages
- natural language
- grammar induction
- parse tree
- natural language processing
- graph grammars
- grammatical inference
- stochastic grammar
- stochastic context free grammars
- context free languages
- context sensitive
- natural language parsing
- natural language sentences
- neural network
- language processing
- reflective learning
- context dependent
- probabilistic context free grammars
- semantic analysis
- dependency parsing
- conceptual graphs
- mildly context sensitive
- penn treebank
- finite state automata
- word order
- error recovery
- pattern matching
- unsupervised learning