Keyphrases
- context free grammars
- natural language
- natural language parsing
- context free
- word order
- wide coverage
- phrase structure
- parse tree
- decision trees
- stochastic context free grammars
- grammar induction
- graph grammars
- stochastic grammar
- dependency trees
- tree structures
- tree automata
- natural language sentences
- syntactic pattern recognition
- natural language processing
- information retrieval
- tree bank
- syntactic analysis
- grammatical inference
- tree structure
- probabilistic context free grammars
- language processing
- penn treebank
- pattern matching
- dependency parsing
- intermediate representation
- machine learning