Solving Query-answering Problems with If-and-Only-If Formulas.

Kiyoshi Akama Ekawit Nantajeewarawat

Published in: KEOD (2014)

Keyphrases

query answering
data exchange
incomplete information
data integration
answering queries
np complete
integrity constraints
conjunctive queries
schema mappings
inconsistent databases
query language
data complexity
query rewriting