Datalog as a Query Language for Data Exchange Systems.

Marcelo Arenas Pablo Barceló Juan L. Reutter

Published in: Datalog (2010)

Keyphrases

data exchange
query answering
query language
conjunctive queries
data integration
schema mappings
data management
data complexity
data model
expressive power
unions of conjunctive queries
database
xml queries
xml schema
datalog programs
data sets
deductive databases
relational algebra