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On simplification of schema mappings.
Diego Calvanese
Giuseppe De Giacomo
Maurizio Lenzerini
Moshe Y. Vardi
Published in:
J. Comput. Syst. Sci. (2013)
Keyphrases
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schema mappings
data exchange
data integration
database schema
query answering
schema evolution
high level specifications
conjunctive queries
data complexity
xml data exchange
case study
data sources
xml schema
data sets
building blocks