Keyphrases
- machine learning
- natural language
- context free grammars
- natural language processing
- tree adjoining
- phrase structure
- context free
- syntactic pattern recognition
- tree bank
- visual languages
- parse tree
- grammar induction
- higher order
- stochastic grammar
- natural language parsing
- graph grammars
- stochastic context free grammars
- grammatical inference
- natural language sentences
- language processing
- context sensitive
- knowledge representation
- intermediate representation
- speech understanding
- tree automata
- finite difference
- directional derivatives
- probabilistic context free grammars
- knowledge base
- data sets