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NGS: a framework for multi-domain query answering.
Daniele Braga
Diego Calvanese
Alessandro Campi
Stefano Ceri
Florian Daniel
Davide Martinenghi
Paolo Merialdo
Riccardo Torlone
Published in:
ICDE Workshops (2008)
Keyphrases
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query answering
multi domain
data exchange
cross domain
conjunctive queries
data integration
integrity constraints
incomplete information
ontology languages
databases
answering queries
query rewriting
data complexity
semantic web
end users
decision making
machine learning