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System P: Completeness-driven Query Answering in Peer Data Management Systems.
Armin Roth
Felix Naumann
Published in:
BTW (2007)
Keyphrases
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query answering
peer data management systems
data exchange
data integration systems
data integration
conjunctive queries
data management
schema mappings
data complexity
answering queries
query containment
query rewriting
xml queries
databases
data quality
dl lite
query answers
expressive power