Keyphrases
- context free grammars
- natural language
- tree adjoining
- natural language processing
- visual languages
- context free
- moving objects
- d objects
- data objects
- stochastic grammar
- target object
- grammar induction
- object tracking
- syntactic pattern recognition
- natural language parsing
- grammatical inference
- viewpoint
- stochastic context free grammars
- phrase structure
- graph grammars
- three dimensional
- dependency parsing
- object model
- spatial relationships
- penn treebank
- complex objects
- pattern matching