Grammar Recovery from Parse Trees and Metrics-Guided Grammar Refactoring.

Nicholas A. Kraft Edward B. Duffy Brian A. Malloy

Published 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