Report on The fourth International Conference on Flexible Query Answering systems.

Patrick Bosc Amihai Motro Gabriella Pasi

Published in: SIGMOD Rec. (2001)

Keyphrases

query answering
data exchange
data integration
integrity constraints
conjunctive queries
incomplete information
building blocks
data complexity
query rewriting
information systems
special case
distributed systems
dl lite
description logics
datalog programs
answering queries