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cs.DB2005★ 1 cited
Complexity and Approximation of Fixing Numerical Attributes in Databases Under Integrity Constraints
L. Bertossi, L. Bravo, E. Franconi +1
Consistent query answering is the problem of computing the answers from a database that are consistent with respect to certain integrity constraints that the database as a whole ma…
cs.DB2004★ 2 cited
Query Answering in Peer-to-Peer Data Exchange Systems
Leopoldo Bertossi, Loreto Bravo
The problem of answering queries posed to a peer who is a member of a peer-to-peer data exchange system is studied. The answers have to be consistent wrt to both the local semantic…