Cooperative Query Answering in COBASE.

Qiming Chen Wesley W. Chu

Published in: Future Databases (1992)

Keyphrases

query answering
cooperative
data exchange
data complexity
integrity constraints
conjunctive queries
answering queries

incomplete information
data integration
query rewriting
data integration systems
multi agent systems
multi agent

query answers
inconsistent databases
dl lite
regular path queries
closed world assumption
open world

data sets
transitive roles
query containment
datalog programs
data management
case study