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CASCON
2004
108views Education» more  CASCON 2004»
13 years 6 months ago
Consistent query answering under inclusion dependencies
For several reasons a database may not satisfy certain integrity constraints (ICs), for example, when it is the result of integrating several independent data sources. However, mo...
Loreto Bravo, Leopoldo E. Bertossi
EDBT
2004
ACM
113views Database» more  EDBT 2004»
14 years 4 months ago
Hippo: A System for Computing Consistent Answers to a Class of SQL Queries
Jan Chomicki, Jerzy Marcinkowski, Slawomir Stawork...
ASP
2003
Springer
13 years 10 months ago
Mappings Between Domain Models in Answer Set Programming
Integration of data is required when accessing multiple databases within an organization or on the WWW. Schema integration is required for database interoperability, but it is curr...
Stefania Costantini, Andrea Formisano, Eugenio G. ...
PODS
2005
ACM
147views Database» more  PODS 2005»
14 years 4 months ago
Peer data exchange
Abstract. We present a semantics and answer set programs for relational peer data exchange systems. When a peer answers a query, it exchanges data with other peers in order to supp...
Ariel Fuxman, Phokion G. Kolaitis, Renée J....