Keyphrases
- natural language
- wide coverage
- parse tree
- tree adjoining grammar
- natural language parsing
- stochastic grammar
- phrase structure
- grammar rules
- dependency structure
- semantic relations
- stochastic context free grammars
- natural language processing
- conceptual graphs
- context free grammars
- natural language sentences
- tree bank
- dependency relations
- background knowledge
- temporal relations
- semantic analysis
- formal languages
- syntactic analysis
- graph grammars
- text mining
- knowledge representation
- semantic parser
- link grammar
- data sets