Keyphrases
- context free grammars
- natural language
- natural language parsing
- word order
- context free
- stochastic context free grammars
- parse tree
- wide coverage
- phrase structure
- graph grammars
- syntactic pattern recognition
- grammar induction
- stochastic grammar
- tree bank
- grammar rules
- natural language sentences
- bag of words
- context sensitive
- grammatical inference
- probabilistic context free grammars
- dependency structure
- tree adjoining
- dependency parsing
- finite state
- unsupervised learning
- bayesian networks
- semantic parsing
- language processing
- speech understanding
- chinese word segmentation
- co occurrence
- artificial intelligence
- genetic algorithm
- neural network
- data sets