Grammar Recovery from Parse Trees and Metrics-Guided Grammar Refactoring.
Nicholas A. KraftEdward B. DuffyBrian A. MalloyPublished in: IEEE Trans. Software Eng. (2009)
Keyphrases
- parse tree
- grammar rules
- context free
- semantic analysis
- dependency parsing
- stochastic grammar
- probabilistic context free grammars
- relation extraction
- natural language sentences
- semantic representation
- natural language text
- natural language parsing
- natural language
- part of speech
- phrase structure
- semantic role labeling
- noun phrases
- grammatical inference
- broad coverage
- search engine
- structured data
- knowledge base
- expert systems
- data model
- context free grammars
- low level