On the expressiveness of generalization rules for XPath query relaxation.

Bettina Fazzinga Sergio Flesca Filippo Furfaro

Published in: IDEAS (2010)

Keyphrases

query relaxation
knowledge driven
query evaluation
xml documents
first order logic
expressive power
query language
web databases
association rules
xml data
database
information retrieval
information extraction
incomplete information
query answering
approximate answers