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Data exchange problem with helpers.
Nebojsa Milosavljevic
Sameer Pawar
Salim Y. El Rouayheb
Michael Gastpar
Kannan Ramchandran
Published in:
ISIT (2012)
Keyphrases
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data exchange
query answering
data integration
schema mappings
data management
xml schema
database schema
database systems
conjunctive queries
inclusion dependencies
closed world
lingua franca
answering queries
xml data exchange