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Data exchange: getting to the core.
Ronald Fagin
Phokion G. Kolaitis
Lucian Popa
Published in:
ACM Trans. Database Syst. (2005)
Keyphrases
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data exchange
query answering
data integration
schema mappings
data management
conjunctive queries
database schema
end users
xml data exchange
databases
data complexity
inclusion dependencies
closed world